Tesis sobre el tema "Occlusal Splints. Temporomandibular Joint Disorders"
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Owais, Zaidoon Rakad Glaros Alan G. "Impact of instructions on the pain-reducing ability of mouth guards for the treatment of temporomandibular disorders". Diss., UMK access, 2005.
Buscar texto completo"A thesis in oral biology." Advisor: Alan G. Glaros. Typescript. Vita. Title from "catalog record" of the print edition Description based on contents viewed March 12, 2007. Includes bibliographical references (leaves 109-114 ). Online version of the print edition.
Oliveira, Milene de 1981. "Avaliação eletromográfica dos músculos trapézio, esternocleidomastoideo e supra-hioideos, em pacientes desdentados totais portadores de disfunção temporomandibular tratados com aparelhos oclusais planos". [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/289070.
Texto completoTese (doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: O objetivo deste trabalho foi avaliar a atividade eletromiográfica dos músculos supra-hioideos, esternocleidomastoideo e trapézio em 15 voluntários desdentados totais, com dimensão vertical de oclusão (DVO) baixa, portadores de disfunção temporomandibular (DTM) e tratados com aparelhos oclusais planos. Foram submetidos ao exame clinico, de acordo com o protocolo clínico do CETASE (Centro de Estudos e Tratamento das Alterações Funcionais do Sistema Estomatognático) da FOP - Unicamp, e a exames radiográficos complementares. As avaliações eletromiográficas foram realizadas simultânea e bilateralmente, no período inicial e aos 30, 60 e 90 dias de tratamento, com a mandíbula nas posições de repouso e fechamento isométrico com resistência. Os resultados obtidos foram avaliados pelos testes t de Student e pela Correlação de Spearman. Na situação de repouso houve um aumento significante na atividade eletromiográfica do músculo esternocleidomastoideo direito, quando comparados os períodos inicial e após 60 e 90 dias (p=0,03), e nos músculos trapézio médio direito após 60 dias (p=0,03), e esquerdo, após 90 dias de tratamento (p=0,04). Na situação de fechamento isométrico com resistência resultados significantes foram encontrados pelo teste t para as atividades eletromiográficas dos músculos suprahioideos direito (p=0,04) e trapézio médio direito (p=0,04) e esquerdo (p=0,02), após 90 dias de tratamento. Uma correlação significante pôde ser observada quando comparamos bilateralmente todos os músculos avaliados, nas duas situações (p<0,05). Após a terapia com aparelhos oclusais planos ocorreu uma equalização funcional significativa na atividade eletromiográfica dos músculos cervicais e supra-hioideos, podendo sugerir que a alteração na posição mandibular influencia na atividade elétrica dos músculos cervicais
Abstract: The aim of this study was to evaluate the electromyographic activity of the suprahyoid, sternocleidomastoid and trapezius muscles in 15 edentulous volunteers, with a low vertical dimension of occlusion (VDO), temporomandibular disorder (TMD) and treated with plan occlusal splints. Patients were undergone to clinical examination, according to the clinical protocol of CETASE (Functional Stomatognathic Disorders Study Center) FOP - Unicamp, and additional radiographic exams. Electromyographic evaluations were performed simultaneously and bilateral, before the beginning of the treatment and at 30, 60 and 90 days of treatment, with the jaw at rest position and isometric closure with resistance. The results were evaluated by Student's t-test and Spearman's correlation. In the resting position there was a significant increase in EMG activity of right sternocleidomastoid muscle comparing to the beginning and after 60 and 90 days of treatment (p=0.03), and in right middle trapezius after 60 days of treatment (p=0.03), and left after 90 days of treatment (p=0.04). Relating to isometric closure with resistance significant results were found by t-test for the electromyographic activity of the right suprahyoid muscles (p=0.04) and right (p=0.04) and left middle trapezius (p=0.02) at 90 days after treatment. A significant correlation was observed when comparing bilaterally all muscles in both conditions (p<0.05). After the plan occlusal splint therapy, there was a significant functional equalization of the electromyographic activity of neck and suprahyoid muscles, suggesting that changes in mandible position can influence the electrical activity of cervical muscles
Doutorado
Protese Dental
Doutor em Clínica Odontológica
Hamata, Marcelo Matida. "Avaliação comparativa da efetividade das placas oclusais confeccionadas em relação central ou máxima intercuspidação em pacientes com DTM /". Araçatuba : [s.n.], 2006. http://hdl.handle.net/11449/97391.
Texto completoBanca: Alício Rosalino Garcia
Banca: Osvaldo Luiz Bezzon
Resumo: A posição de relação central (RC) para a confecção de placas oclusais é muito discutível. Dessa forma, quando existe estabilidade oclusal, a máxima intercuspidação (MI) poderia ser utilizada como ponto de referência, eliminando a necessidade de registro interoclusal. O presente trabalho tem por objetivo comparar a efetividade de placas oclusais confeccionadas a partir de modelos articulados nessas duas posições. Para isso, 20 pacientes com desordens temporomandibulares (DTM) e dor de origem muscular foram divididos em dois grupos de 10 e tratados com placas confeccionadas nas posições de MI ou RC. Estes foram avaliados por meio de exame clínico, eletrognatográfico e eletromiográfico, antes e após três meses de terapia. Os resultados permitiram verificar que os dois tipos de placa atuaram de forma semelhante. Entretanto, a confecção de placas oclusais a partir da MI mostrou ser uma técnica mais fácil e menos onerosa do que a de RC.
Abstract: Centric relation (CR) position to fabricate occlusal splints is very discussable. In this way, when there is occlusal stability, intercuspal position (IP) could be used as a reference point, eliminating the interocculsal record necessity. The purpose of the present study was to compare the effectiveness of occlusal splints fabricated from models articulated in these two positions. Twenty patients with temporomandibular disorders (TMD) of myogenous origin were divided in two groups with 10 each, which were treated with splints fabricated in the CR or IP. The patients were evaluated by clinical, electrognathographic and electromyographic examinations, before and tree months after the therapy. Results showed similar levels of effectiveness of both kinds of splint. However, the fabrication of the splints from IP technique is easier and less onerous than the CR.
Mestre
Hamata, Marcelo Matida [UNESP]. "Avaliação comparativa da efetividade das placas oclusais confeccionadas em relação central ou máxima intercuspidação em pacientes com DTM". Universidade Estadual Paulista (UNESP), 2006. http://hdl.handle.net/11449/97391.
Texto completoA posição de relação central (RC) para a confecção de placas oclusais é muito discutível. Dessa forma, quando existe estabilidade oclusal, a máxima intercuspidação (MI) poderia ser utilizada como ponto de referência, eliminando a necessidade de registro interoclusal. O presente trabalho tem por objetivo comparar a efetividade de placas oclusais confeccionadas a partir de modelos articulados nessas duas posições. Para isso, 20 pacientes com desordens temporomandibulares (DTM) e dor de origem muscular foram divididos em dois grupos de 10 e tratados com placas confeccionadas nas posições de MI ou RC. Estes foram avaliados por meio de exame clínico, eletrognatográfico e eletromiográfico, antes e após três meses de terapia. Os resultados permitiram verificar que os dois tipos de placa atuaram de forma semelhante. Entretanto, a confecção de placas oclusais a partir da MI mostrou ser uma técnica mais fácil e menos onerosa do que a de RC.
Centric relation (CR) position to fabricate occlusal splints is very discussable. In this way, when there is occlusal stability, intercuspal position (IP) could be used as a reference point, eliminating the interocculsal record necessity. The purpose of the present study was to compare the effectiveness of occlusal splints fabricated from models articulated in these two positions. Twenty patients with temporomandibular disorders (TMD) of myogenous origin were divided in two groups with 10 each, which were treated with splints fabricated in the CR or IP. The patients were evaluated by clinical, electrognathographic and electromyographic examinations, before and tree months after the therapy. Results showed similar levels of effectiveness of both kinds of splint. However, the fabrication of the splints from IP technique is easier and less onerous than the CR.
Ribeiro, Adriana Barbosa. "Avaliação da atividade elétrica e limiar de dor à pressão dos músculos masseter e temporal anterior com placas de diferentes espessuras /". Araçatuba : [s.n.], 2010. http://hdl.handle.net/11449/97388.
Texto completoAbstract: The muscular hyperactivity with or without occlusal changes can is a trigger of temporomandibular disorders (TMD). Any change in the structures of the stomatognathic system can promote a functional imbalance of the jaw. The algometry pressure and electromyography has been used as methods of diagnosis and therapy control of the evolution of the muscles of mastication. Several treatments seek to reduce the symptoms characteristic of TMD by restoring the occlusal, among which worth mentioning the occlusal therapy through the plate interocclusal. One of the difficulties during the construction of the splint device is to determine its thickness. This criterion can influence the efficiency, performance of the function of relaxation and treatment of muscle pain provided by interocclusal devices. The objective of this study was to evaluate the thickness of the plate, consistency of the food and gender, in the electric activity and threshold of pain to the pressure (LDP) in the muscles to masseter and anterior temporal. patients in whom signs were established with thickness 3 and 6 mm. Medium were obtained from each side to work and working from records of electrical activity during mastication of two latex sensitivity threshold of the masseter and anterior temporal of all patients. After obtaining the data, the data were tabulated and subjected to statistical analysis, a 5% level of significance (p <0.05). It It was observed that the plates of different thicknesses (treatments) and the gender had not modified the electric activity, however the biggest consistency of the food provided higher electric activities. The threshold of pain to the pressure was modified with the use of the plates of different thicknesses only for the temporal muscle of the work side, as well as was superior for the men in all the muscles evaluated, however the mastication activity did not influence in the LDP
Orientador: Paulo Renato Junqueira Zuim
Coorientador: Alicio Rosalino Garcia
Banca: Karina HelgaTúrcio de Carvalho
Banca: Vinícius Pedrazzi
Mestre
Crosio, Daniel Mazzetto. "Eletromiografia dos músculos temporais e masseteres em pacientes com disfunção temporomandibular tratados com placa interoclusal". Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/58/58133/tde-19102010-083418/.
Texto completoThe objectives of this study were to analyze the effects of treatment of patients with temporomandibular disorder (TMD) joint with chronic plaque-stabilizing model interocclusal Michigan through electromyographic indices of temporal POC, the POC masseter, TORS, SO, Activation, Activation absolute TORQUE, Impact, for maximum voluntary tooth clenching (MCV) in maximum intercuspal usual (MHI) and maximum voluntary clenching with cotton between teeth (MAA). We also analyzed the signs and symptoms of TMD. The study included 20 subjects, young people and adults, and 10 with chronic articular TMD, which would be treated with occlusal splints Michigan model (DTM Group) and 10 subjects without signs and symptoms of TMD (control group). The subjects will undergo clinical examination and respond to the Protocol for the Determination of the signs and symptoms of TMD for multi Centers (Felicio et al., 2006). Records and calculations of indices electromyographic out with the electromyograph Freely eight channels (De Götzen srl; Legano, Milano, Italy). We compared the data from the DTM group stage of diagnosis (FD) and the final stage (FF) treatment, as well as data from this group with the control group. For data expressed as interval level of measurement, such as clinical examination, was used non-parametric statistics. Data on level of reason, ie electromyographic data were analyzed using parametric statistics. The significance level was set at 5%.
Costa, Yuri Martins. "Caracterização diagnóstica de cefaleia secundária à disfunção temporomandibular em músculos mastigatórios: um estudo controlado". Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/25/25146/tde-15102013-160036/.
Texto completoMasticatory myofascial pain (MMF) is often associated with headache. Nevertheless, it is unclear whether this relationship occurs with primary or secondary headaches. The purpose of this study was to describe the characteristics of headache attributed to MMF, considered as such, one that improved after treatment of muscle condition. The effect of different treatments types in the improvement of headache associated with MMF, and the impact of the presence of headache on the improvement of facial pain intensity were also evaluated. The sample was comprised of MMF adults according to the RDC / TMD, with (n = 60) and without (n = 20) headache complaints. The 60 subjects with headache were divided into two groups (1a and 1b). The first group received only counseling for behavioral changes. Groups 1b and 2 (without headache), besides counseling, also received occlusal splint. Evaluations were done at baseline, 2 months and after the end of the 5th month. The intensities of facial pain and headache (VAS), and the pressure pain threshold (PPT) of the anterior temporalis, masseter and forearm were recorded. Repeated measures ANOVA, Friedman test and Wilcoxon test were used for comparisons within and between groups considering a 5% significance level. There was a significant reduction in headache intensity and frequency in both groups. The baseline mean was 7.55 ± 2.24 for the group 1a and 6.52 ± 1.63 for group 1b. In the final evaluation these values was respectively, 3.13 ± 2.19 and 2.5 ± 2.33. There was not difference between groups. There was also a reduction in headache frequency between baseline and final evaluation in groups 1a and 1b. There was a reduction in facial pain intensity in all groups. The baseline mean was 6.34 ± 2 in group 1a, 6.14 ± 1.94 for group 1b and 4.77 ± 1.57 for group 2. In the final evaluation these values were 1.66 ± 1.29, 2.3 ± 2.53 and 2.17 ± 1.17 with no difference between groups. There was an increase in the anterior temporalis PPT values for the group 1b (p = 0.01) and the masseter in group 2 (p = 0.01). The between groups comparison showed differences between the group 1a and 2 in the 2 months evaluation for anterior temporalis (p = 0.02). It is concluded that MMF treatment is effective in the improvement of headache attributed to TMD, regardless of the use of occlusal splint. Indeed the main characteristics of this headache were the long duration (more than 4 hours), bilateral location and pressure/tight quality.
Ribeiro, Adriana Barbosa [UNESP]. "Avaliação da atividade elétrica e limiar de dor à pressão dos músculos masseter e temporal anterior com placas de diferentes espessuras". Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/97388.
Texto completoA hiperatividade muscular associada ou não a alterações oclusais pode ser um fator desencadeante das desordens temporomandibulares (DTMs). Qualquer alteração nas estruturas do aparelho estomatognático pode promover um desequilíbrio funcional da mandíbula. A algometria por pressão bem como a eletromiografia tem sido utilizadas como métodos de diagnóstico e controle da evolução terapêutica dos músculos da mastigação. Diversos tratamentos buscam diminuir os sintomas característicos das DTMs pelo restabelecimento do equilíbrio, dentre os quais vale citar a terapia oclusal por meio da placa interoclusal. Uma das dificuldades durante a confecção dos dispositivos interoclusais é determinar a sua espessura. Este critério pode influenciar a eficiência, o desempenho da função de relaxamento e o tratamento da dor muscular. O objetivo deste estudo foi avaliar o efeito da espessura da placa, da consistência do alimento e do gênero, na atividade elétrica e no limiar de dor à pressão (LDP) nos músculos masseter e temporal anterior. Para verificar o efeito de diferentes espessuras de placas interoclusais foram selecionados 20 pacientes assintomáticos que utilizaram placas com espessuras 3 e 6 mm. Foram obtidas médias a partir dos valores encontrados em cada paciente, sendo avaliados lados de trabalho e não-trabalho, por meio de registros da atividade elétrica durante a mastigação de dois tipos diferentes de látex e limiar de sensibilidade dos músculos masseter e temporal anterior. Após sua obtenção, os dados foram tabulados e submetidos à análise estatística, a um nível de 5% de significância (p<0,05). Pode-se concluir que as placas de diferentes espessuras (tratamentos) e o gênero não alteraram a atividade elétrica, porém a maior consistência do alimento proporcionou atividades elétricas mais elevadas. O limiar de dor à pressão...
The muscular hyperactivity with or without occlusal changes can is a trigger of temporomandibular disorders (TMD). Any change in the structures of the stomatognathic system can promote a functional imbalance of the jaw. The algometry pressure and electromyography has been used as methods of diagnosis and therapy control of the evolution of the muscles of mastication. Several treatments seek to reduce the symptoms characteristic of TMD by restoring the occlusal, among which worth mentioning the occlusal therapy through the plate interocclusal. One of the difficulties during the construction of the splint device is to determine its thickness. This criterion can influence the efficiency, performance of the function of relaxation and treatment of muscle pain provided by interocclusal devices. The objective of this study was to evaluate the thickness of the plate, consistency of the food and gender, in the electric activity and threshold of pain to the pressure (LDP) in the muscles to masseter and anterior temporal. patients in whom signs were established with thickness 3 and 6 mm. Medium were obtained from each side to work and working from records of electrical activity during mastication of two latex sensitivity threshold of the masseter and anterior temporal of all patients. After obtaining the data, the data were tabulated and subjected to statistical analysis, a 5% level of significance (p <0.05). It It was observed that the plates of different thicknesses (treatments) and the gender had not modified the electric activity, however the biggest consistency of the food provided higher electric activities. The threshold of pain to the pressure was modified with the use of the plates of different thicknesses only for the temporal muscle of the work side, as well as was superior for the men in all the muscles evaluated, however the mastication activity did not influence in the LDP
Oliveira, Simone Saldanha Ignacio de. "Efeitos do uso da placa oclusal sobre o equilíbrio postural em indivíduos dentados, não reprogramados, com sinais e sintomas de desordem temporomandibular diagnosticados pelo RDC/TMD e ressonância magnética". Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/23/23150/tde-13092013-183828/.
Texto completoTemporomandibular disorder (TMD) of multifactorial origin may be associated with occlusal factors but also with changes in posture. The objective of this study was to investigate the effects of the use of the occlusal splint on the postural equilibrium of non-reprogrammed, dentate individual with signs and symptoms of temporomandibular disorder. The research group consisted of 70 patients (59 with occlusal splints, 21 in the control group) between 18 and 84 years of age, of both genders, diagnosed with TMD by way of the RDC/TMD questionnaire and magnetic-resonance imaging of the temporomandibular joint. The research was performed via a randomized, controlled, prospective clinical study and intervention. The questionnaires regarding risk of falls - FES-I and quality of life - SF-36 were filled out before evaluating postural equilibrium by way of a force platform. In the randomization, the sample group received occlusal splint, occlusal-stability criteria, and advice about therapeutic exercises; the control group only received advice about therapeutic exercises. After 12 weeks, the groups were re-evaluated qualitatively by frequency, evaluation of the association between the group via Fisher testing; quantitatively via average, median, standard deviation, 25 and 75 percentiles, and minimum and maximum values; comparison between the times via non-parametric Wilcoxon testing and between the groups via Mann-Whitney testing with a threshold of significance of 5 %. Of the universe of the patients who completed the risk-of-fall and quality-of-life study, 77 % were women with an average of of 42.2 years. The items that were significant to the risk of falling contributed to reducing fear of falling, and those significant to quality of life to increasing the domains of mental health, pain, and vitality. Out of the 70 participants, 64 completed the RDC/TMD (47 occlusal splint and 17 controls) with differences that were significant to the diagnosis of miofascial pain, slipped disc, left and right arthralgia, degree of chronic pain, depression, and somatization related to the oclusal splint. Of the 70, 49 completed the postural-equilibrium study (36 occlusal splint and 13 controls), a significant increase in anteroposterior speed of the COP with eyes open and eyes closed (AVPeo and AVPec) occurring in the oclusal splint group while standing. It is therefore concluded that use of the oclusal splint was efficacious in the treatment of TJM and that there was an effect on the postural equilibrium, with improvement occurring in regards to fear of falls and in the domains of mental health, pain, and the quality of life.
Filho, Deícola Coelho. "Avaliação da posição condilar em pacientes com DTM antes e após terapia com placa interoclusal estabilizadora por meio de tomografia computadorizada de feixes cônicos". Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/58/58133/tde-11122014-160459/.
Texto completoThe aim of this study was to evaluate the condylar position in patients with articular TMD before and after treatment with occlusal splints by cone beam computed tomography. Were evaluated and treated 22 patients with signs or symptoms of TMD joint, screened in the Clinical School of Dentistry, Universidade Estadual de Montes Claros, who met the inclusion and exclusion criteria. The diagnosis of TMD was conducted with the Research Diagnostic Criteria for Temporomandibular Disorders (RDC / TMD). The patients were subjected to therapy for occlusal splints for 90 days. Three cone beam computed tomography scans in the region of the TMJ right and left, were being conducted: the first at the beginning of treatment, with the patient in the position of MIH (G1); the second after 90 days of treatment with the patient occluding the occlusal splint (G2); and the third after 90 days of treatment with the patient in the position of MIH (G3). Measures of joint spaces were performed in front, superior and posterior in sagittal cuts of the TMJ. The collected data were analyzed statistically using the t test: paired samples at the 5 % significance level for the comparison between two groups. In the comparison between G1 and G2 and between G2 and G3, a statistically significant increase for the superior joint space and the posterior, but there was no statistically significant difference in the front joint space. For the comparison between G1 and G3, was observed a statistically significant increase in front joint space and superior, and not significant in the posterior joint space. The results of the analysis of the RDC / TMD showed a significant improvement in pain reported by patients and statistically significant increase in maximal mouth opening at the end of therapy with occlusal splints. Considering the method used and the sample data, it was possible to increase the space between the condyle and the articular cavity during use of occlusal splints and also that this therapy improved pain reported by patients and increased range of motion of mandibular opening.
Abe, Eduardo Yujiro. "Baropodometria dinâmica de atletas remadores, com sinais e sintomas de disfunção temporomandibular, pré e pós tratamento, com placa oclusal estabilizadora e exercício terapêutico de movimento mandibular: estudo piloto". Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/23/23150/tde-04082016-100101/.
Texto completoTemporomadibular joint disorder (TMJD) in rower athletes has still few studies over this theme, where the biomechanics of athletic gesture points can produce low back pain, rib stress fractures and cervical pain as resulting from power requirement to obtain high speed and body balance for repeatedly long period exercises. The aim of this study was to analyze through dynamic plantar pressure the effects of occlusal splint and therapeutic exercise of mandibular movement in rowers diagnosed as suffering from TMJD. Previous studies have shown that the occlusal splint has significant action to keep the system of body balance in standing position. 30 rower athletes came as volunteers with pain symptoms, and 10 individuals, 40% men ande 60% women, aged between 24 and 35 years, were diagnosed with TMJD through completion of the RDC/TMD questionnaire and clinical examination. The research was performed by a randomized controlled prospective clinical study besides intervention. Immediately after the questionnaire application and clinical examination, all individuals performed tests of static and dynamic baropodometry. After this procedure, the groups were randomized by using a free online software (www.random.org) which determined the members of control group, named Exercise Group (EG) and test group called Oclusal Splint Group (OSG). Both groups received guidance for performing only therapeutic exercise of mandibular movement. The OSG were scheduled for the completion of preparation stage for occlusal splint. All groups were monitored for 12 weeks and after this period were evaluated according to the same parameters of the initial step. Statistic analysis was performed by using ANOVA model (normal and homoscedasticity), t-Student test and Wilcoxon nonparametric test. The results showed statistical significance to pain relief and increase of amplitude range of jaw joint in OSG (p < 0.05). No statistical significance was observed in the analysis of dynamic plantar pressure, justified by insufficient statistic population. In conclusion the use of occlusal splint was effective in the treatment of TMJD to pain relief, however, a larger sampling is necessary to verify the integration among stomatognatic system, posture and and gait dynamics analyzes.
Nunes, Rejane. "Avaliação dos resultados de tratamento em pacientes com disfunção temporomandibular (DTM) atendidos no ambulatório de oclusão da Faculdade de Odontologia da PUCRS utilizando questionário RDC/DTM : um estudo longitudinal". reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/102479.
Texto completoThe objective of this study was to evaluate the treatment results when the stabilization (Michigan-type) splint was used, in patients with orfacial pain, who were seeking treatment in the Occlusion clinical at the Faculty of Dentistry of PUCRS, using the RDC/TMD, and associate some variables among the results found. The methods employed were the RDC/TMD, a stablished method for research in this área, and also a pain follow-up questionnaire three months after the beginning of treatment. Satisfactory results were obtained.
Nichthauser, Brigitte 1965. "Sinais e sintomas otológicos nas disfunções temporomandibulares em pacientes tratados com aparelhos oclusais lisos e planos". [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/289071.
Texto completoTese (doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: Este estudo avaliou a evolução clínica dos sinais e sintomas otológicos relatados por 25 voluntários, com predominância para o gênero feminino, pertencentes ao banco de pacientes do serviço de otorrinolaringologia do ambulatório "Araújo Lima", da Universidade Federal do Amazonas, com idade média de 46,7 anos, portadores de disfunção temporomandibular (DTM), tratados com aparelhos oclusais lisos e planos. Transtornos otorrinolaringológicos agudos ou crônicos de origem médica foram fatores de exclusão. Em cada voluntário, antes e após o período de tratamento, foram realizadas tomadas radiográficas transcranianas oblíquas bilaterais das articulações temporomandibulares (ATMs) e exames audiométricos. A otalgia relatada foi mensurada com uma escala visual analógica (EVA) modificada. A cefaléia, tonteira, zumbido nos ouvidos, sensação de surdez e prurido nos ouvidos obtiveram remissão estatisticamente significante após o tratamento. A otalgia aos 90 dias de tratamento apresentou remissão total em 72% da amostra. As radiografias transcranianas antes e após o tratamento mostraram mudança da posição das cabeças da mandíbula nas fossas mandibulares em abertura máxima. Os exames audiométricos mostraram resultados normais e sem modificação após tratamento. Concluiu-se que o tratamento foi efetivo na remissão dos sinais e sintomas otológicos e a EVA modificada foi um instrumento eficiente na mensuração da otalgia
Abstract: The aim of this study was to report aural signs and symptoms on 25 volunteers, mainly female, whose mean age was 46,7 years, with temporomandibular joint disorders (TMJD), originary from the otorhinolaryngological outpatient service in "Araújo Lima" clinical facilities, Universidade Federal do Amazonas, treated with flat occlusal splints. Acute or chronic otorrhinolaryngological diseases caused exclusion of volunteers from the study. From each volunteer bilateral transcranial temporomandibular joints (TMJ) radiographs and audiometric tests were obtained before and after intervention. Reported aural discomfort was accessed with a modified Visual Analogical Scale (VAS). Headache, dizziness, buzzing on the ears, deafness sensation and itching in the ears were reported to statistically decrease after intervention. Otalgia was reported to disappear after 90 days of treatment in 72% of volunteers. Post-treatment transcranial radiographs revealed changes in condilar position when mouth was maximally open. Audiometric tests produced normal results, with no changes after treatment. It was concluded that the intervention was effective, reducing signs and symptoms of aural origin, and the modified VAS was an effective instrument to access otalgia
Doutorado
Protese Dental
Doutor em Clínica Odontológica
Santos, Sidney Saint'Clair. "Avaliação do espaço funcional livre em pacientes com alterações funcionais do sistema estomatognatico tratados com aparelhos de superficie oclusal plana". [s.n.], 2004. http://repositorio.unicamp.br/jspui/handle/REPOSIP/290261.
Texto completoTese (doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: O objetivo deste trabalho foi avaliar o espaço funcional livre e as modificações na posição da mandíbula, no plano sagital (ântero-posterior) e no plano frontal látero-lateral), utilizando a eletrognatografia computadorizada (K6-I Diagnostic System, Myotronics Co, U.S.A.), em pacientes portadores de alterações funcionais do sistema estomatognático, tratados com aparelhos de superfície oclusal plana modificados (com guias em incisivos e caninos). A amostra aleatória foi composta por 15 pacientes submetidos aos exames previstos na ficha clínica do CETASE (Centro de Estudos e Tratamento das Alterações do Sistema Estomatognático) para a confirmação das variáveis para inclusão e para exclusão na amostra, dentre elas os portadores de alterações degenerativas. As avaliações foram realizadas antes da instalação dos aparelhos, com 30, 60, 90 e 120 dias após a instalação dos mesmos. Os resultados mostraram que o espaço funcional livre teve aumento significativo em função do tempo de tratamento
Abstract: The aim of this research was to evaluate changes in the mandible position, in sagittal plane (anteroposterior) and in frontal plane, using computerized electrognathography (K6-I Diagnostic System, Myotronics Co, U.S.A.) in patients who suffer from functional changes in the stomatognathic system, treated with modified flat occlusal surface appliances (guidances on incisors and canines). The random sample was composed of 15 patients submitted to examinations foreseen on the CETASE (Center of Studies and Treatment of stomatognathic System Alterations) history chart, to confirm variables for inclusion and for exclusion on the sample, including patients suffering from degenerative changes. The evaluations were taken before the appliances were set and within 30,60,90 and 120 days after. The results showed that the free-way space had an statistically significant difference higher on behalf of time treatment
Doutorado
Protese Dental
Doutor em Clínica Odontológica
Anselmo, Silvia Maria. "Fatores psicologicos relacionados as desordens temporomandibulares : avaliação de pacientes submetidos a tratamento com aparelhos oclusais planos e reabilitação oral". [s.n.], 2005. http://repositorio.unicamp.br/jspui/handle/REPOSIP/290260.
Texto completoTese (doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: A participação de fatores psicológicos nas desordens temporomandibulares (DTM), como depressão, ansiedade, estresse, têm sido enfatizados na literatura. Pesquisadores têm relatado em trabalhos com pacientes portadores de sintomatologia crônica, a presença desses (chamados distúrbios psiquiátricos menores); porém, ainda não há um consenso sobre a influência destes na manifestação clínica desta patologia. O objetivo deste trabalho foi avaliar a evolução da manifestação dos distúrbios psiquiátricos menores em pacientes portadores de DTM, tratados com aparelhos de superfície oclusal plana e reabilitação oral. Foram selecionados 60 pacientes, do Curso de Especialização em Prótese Dental da Faculdade de Odontologia de Piracicaba, portadores de DTM e com necessidade de reabilitação protética. Os voluntários foram subdivididos em dois grupos: controle e tratado; sendo que respectivamente, o primeiro não recebeu tratamento e o segundo recebeu tratamento com aparelhos de superfície oclusal plana e reabilitação oral. Todos os voluntários do grupo tratado foram submetidos ao questionário anamnésico que faz parte da ficha clínica do CETASE e às avaliações psicológicas contidas no Questionário de Saúde Geral de Goldberg (QSG), antes e após o período de tratamento; os voluntários do grupo controle foram submetidos à mesma avaliação psicológica do grupo anterior; entretanto, como não recebeu tratamento, estabelecemos duas avaliações, uma antes e outra após 20 meses, conjuntamente ao grupo que recebeu tratamento. Os resultados revelaram que houve diferenças estatisticamente significantes para as variáveis estresse psíquico (SP) e distúrbios psicossomáticos (DP) no grupo tratado para o sexo feminino. Neste mesmo grupo, nos pacientes do sexo masculino, verificaram-se diferenças estatisticamente significantes para as variáveis distúrbios psicossomáticos (DP) e saúde geral (SG). Conclui-se que a terapêutica utilizada interferiu positivamente na incidência dos distúrbios psiquiátricos menores, em pacientes portadores de DTM
Abstract: The role of psychological factors in the temporomandibular disorders (TMD), like depression, anxiety, stress have been emphatic in the literature. Many authors have been related on their patients with cronic sintomatic the presence of these factors (called minor psychiatric disturbances); however, there isn't agreement about the influence of these factors on the TMD. The aim of this study is to verify the evolution of the prevalence about the minor psychiatric disturbances in patients with TMD, treated using occlusal plane splints and oral rehabilitation. It was selected 60 patients, who were voluntarily seeking for dental treatment at the Piracicaba Dentistry Scholl-UNICAMP with TMD diagnostic and needed oral rehabilitation. The volunteers were divided into two groups equality: control and treated group. The control group didn't received any kind of treatment and the treated group was treated with occlusal plane splints and oral rehabilitation. All the volunteers were submitted to an anamnesic questionnaire that is part of the clinical index of Treatment Center (CETASE- FOP/UNICAMP). The questionnaire includes a patient spontaneous discription and direct questions related to TMJ, masticatory muscles and unespecific relates. After the anamnesic questionnaire the patients were submitted to the GHQ (General Health Questionnaire), that evaluates the absence of non psychotic disturbances psychiatry (minor psychiatric disturbances), after the treatment both groups were submitted to both questionaires again (20 months after the first aplication). The results showed significant differences to psychic stress and psychosomatic disturbances in the treated group, female sex and psychosomatic disturbances and general health to male sex. The conclusions of this study, based on the obtained results is that the treatment interfered positively on the incidence of minor psychiatric disturbances in patients with TMD
Doutorado
Protese Dental
Doutor em Clínica Odontológica
Corrêa, Ana Sílvia da Mota. "Avaliação da eficácia em curto prazo do uso de placas oclusais reposicionadoras e dispositivos NTI (nociceptive trigeminal inhibitory splint) no controle de Artralgia da Articulação Temporomandibular". Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/25/25146/tde-21032012-155434/.
Texto completoThe aim of this research was to test the hypothesis that the treatment with intraoral appliances (occlusal splints and device NTI) is beneficial to the control of symptoms and signs of arthralgy of temporomandibular joint (TMJ) when compared to a control group. Therefore, sixty patients were analyzed by questionnaires and tests that determined the presence of arthralgy of the TMJ and its intensity. Then this sample was randomly divided into three groups of 20 patients each: the first group was treated with repositioning occlusal splint and orientations; the second group received an anterior device (NTI nociceptive trigeminal inhibitory system), the third group of patients (the control group) just received counseling and orientations for behavioral changes. The devices were installed and used in partial time (only during sleep), and the follow-ups were performed after 2, 6 weeks and 3 months. In these sessions, patients were evaluated according the visual scale of pain (VAS), presence of noise, active mouth opening, temporomandibular joint algometry and comfort in the use of intraoral appliances for the experimental groups. The results were analyzed with Kruskal-Wallis, ANOVA and Tukey, adopting a significance level of 5%. All three groups showed improvement in signs and symptoms of temporomandibular joint arthralgy, suggesting that occlusal appliances and behavioural orientations may be beneficial in the treatment of this condition. However, the management with occlusal appliance and orientations seems to have an earlier effect. The use of occlusal repositioning splint is more comfortable at the beginning of the treatment of patients contributing to a faster reduction of their pain. Long - term studies with the NTI device are needed to establish its effectiveness and absence of adverse dental effects.
Machado, Kadidja Claudia Maia e. "O uso de placa oclusal no tratamento da disfunção temporomandibular: análise eletromiográfica em 26 pacientes". Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/5/5140/tde-02062009-090754/.
Texto completoINTRODUCTION: Temporomandibular dysfunction treatment does not follow an accepted pattern in the literature and at the clinical practice. Treatment effects, on chewing muscles, still present themselves in a non-concrete way to professionals. OBJECTIVES: To analyze right and left masseter electromyographyc activity, as well as their electric behavior, prior to and after the use of occlusal splint for a three-month period in seven different moments. METHODS: This experimental and prospective study has been done between September 2006 and June 2007. The electric activity was evaluated through sample surface electromyography of 26 patients, 22 female genders and 4 male genders with temporomandibular dysfunction in 7 different moments: before the occlusal splint usage and after 7, 14, 21, 30, 60 and 90 days of usage. The electric activity has been compared along the right and left masseter and the muscle electric behavior on the seven evaluation moments, relaxed and under contraction. OUTCOMES: Data has been analyzed statistically. There has not been statistic differences among right and left masseters; relaxed (p=0,848) and contracted (p=0,658), during evaluations. On the seven moments, when relaxed, there was a decrease on the masseter electric activity; statistically significant differences are displayed on the 7 and 21 day-moments (p=0,048); 7 and 30 day-moments (p=0,005); 7 and 90 day-moments (p=0,001) and 14 and 90 day-moments (p=0,032). Under contraction, there has been a decrease on the electromyographyc activity as well (p=0,000). The significant statistically differences took place between the moments: before and 7days (p=0,017) and before and 90 days (p=0,007). CONCLUSIONS: The occlusal splint usage did not alter the electromyographyc activity between right and left masseter. The occlusal splint usage decreasing the electromyographyc activity under contraction and relaxed, on seven moments.
Venezian, Giovana Cherubini. "Terapia com placa oclusal com e sem guias anteriores de desoclusão em pacientes com disfunção temporomandibular e zumbido subjetivo". Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/58/58133/tde-22052012-144635/.
Texto completoThe aim of this study was to assess the effect of anterior guidance and bilateral balanced splints in patients with temporomandibular disorders (TMD) and subjective tinnitus. A total of 264 subjects referred for treatment of TMD in FORP/USP were evaluated and 32 women with muscular TMD with or without the diagnosis of articular TMD, who met the inclusion criteria, were selected. TMD diagnosis was performed according to Research Diagnostic Criteria for Temporomadibular Disorders (RDC/TMD). The patients were randomly divided into two groups: anterior guidance splint group and bilateral balanced splints group. The assessments included pain to palpation, pressure pain threshold with algometer, measurement of amplitude of mandibular movements, surface electromyography, pain intensity and loudness of tinnitus reports in visual analogue scale (VAS) and characteristics of tinnitus. The patients also answered a questionnaire to quantify the frequency and severity of signs and symptoms of TMD (ProDTMMulti) and to assess the impact of tinnitus on a day-to-day (Tinnitus Handicap Inventory - THI). The electromyography evaluation was performed in different activities with and without occlusal splint (maximum voluntary clenching, excursive jaw movements, resting and habitual chewing) and compared to a group of 13 asymptomatic women. The assessments were performed initially (A1), at the day of installation of the occlusal splints, after 60 days of the initial assessment (A2) and after 90 days of occlusal splint therapy (A3). The period between A1 and A2 assessments was considered a control period. The results showed a significant improvement in pain reported by patients and an increase in the amplitude of mouth opening without pain in both groups, without difference between them. The electromyographic activity was significantly reduced during maximum voluntary clenching with occlusal splint compared to clenching in maximal habitual intercuspation, to the other activities performed during the examination there was no significant difference. The tinnitus evaluation showed that in many patients there was remission of symptom after treatment with occlusal splint. There was no difference among groups for all assessments. Based on these findings it is possible to conclude that treatment with both splints promoted improvement in symptoms of patients, without differences among them, and many patients had a remission of reported tinnitus during the treatment.
Micelli, Ana Lígia Piza. "Electromyographic evaluation of trapezius sternocleidomastoid, anterior temporal, masseter and suprahyoid mescles in edentulous patients with temporomandibular desorder treated with flat and plane occlusal sprint = Avaliação eletromiográfica dos músculos trapézio, esternocleidomastóide, temporal anterior, masseter e suprahióideo em pacientes desdentados totais portadores de desordem temporomandibular tratados com aparelho oclusal lisos e planos". [s.n.], 2015. http://repositorio.unicamp.br/jspui/handle/REPOSIP/290240.
Texto completoTese (doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: O conceito das desordens temporomandibulares (DTM), as define como um conjunto de alterações articulares e musculares na região orofacial, caracterizados principalmente por dor, ruídos nas articulações temporomandibulares (ATM) e alteração da função mandibular, podendo estar associada as alterações cervicais oriundas das Desordens Crânio Cervicais. Estudos eletromiográficos demonstraram que mudanças na posição de cabeça podem alterar o padrão de atividade dos músculos da mastigação e a posição da mandíbula. Em função destes aspectos, o objetivo deste trabalho foi avaliar a atividade eletromiográfica dos músculos supra-? hioideos, esternocleidomastoide, trapézio, temporal anterior e masseter em 15 voluntários desdentados totais, com dimensão vertical de oclusão (DVO) baixa, portadores de DTM submetidos a terapia com aparelhos oclusais planos, que foram tratados de acordo com o protocolo clínico do CETASE (Centro de Estudos e Tratamento das Alterações Funcionais do Sistema Estomatognático) da FOP -? Unicamp. As avaliações eletromiográficas foram realizadas simultânea e bilateralmente, no período inicial e aos 30, 60 e 90 dias de tratamento, com a mandíbula nas posições de repouso e fechamento isométrico com resistência do aparelho. Os resultados demonstraram na posição de repouso um aumento significante na atividade eletromiográfica do músculo esternocleidomastoideo direito, quando comparados os períodos inicial e após 60 e 90 dias (p=0,03), e nos músculos trapézio médio direito após 60 dias (p=0,03), e esquerdo, após 90 dias de tratamento (p=0,04).Na situação de fechamento isométrico com resistência resultados significantes foram encontrados para as atividades eletromiográficas dos músculos supra-?hioideos direito (p=0,04) e trapézio médio direito (p=0,04) e esquerdo (p=0,02), após 90 dias de tratamento. Uma correlação significante pôde ser observada quando comparamos bilateralmente todos os músculos avaliados, nas duas situações (p<0,05). Após a terapia com aparelhos oclusais planos ocorreu uma equalização funcional significativa na atividade eletromiográfica dos músculos cervicais e supra-?hioideos, podendo sugerir que a alteração na posição mandibular influencia na atividade elétrica dos músculos cervicais
Abstract: The concept of temporomandibular disorders (TMD), define them as a set of joint and muscle disorders in the orofacial region, mainly characterized by pain, noise in the temporomandibular joints (TMJ) and altered mandibular function, and may be associated with cervical changes arising from Cranio Cervical Disorders. Electromyographic studies have shown that changes in head position can change the pattern of the mastication muscles activities and the jaw position. Based on these aspects, the aim of this study was to evaluate the electromyographic activity of the supra-?hyoid muscles, sternocleidomastoid, trapezius, anterior temporal and masseter in 15 edentulous volunteers with low vertical dimension of occlusion (VDO), TMD treated with plan occlusal splints according to the clinical protocol of CETASE (Center for Studies and Treatment of Functional Changes of the Stomatognathic System) FOP -? Unicamp. The electromyographic evaluations were performed simultaneously and bilaterally, before the beginning of the treatment and at 30, 60 and 90 days of treatment, with the jaw at rest position and isometric closure with resistance of the splint. The results showed in the jaw rest position a significant increase in electromyographic activity of the right sternocleidomastoid muscle, when comparing the initial period and after 60 and 90 days (p = 0.03), and right medium trapezius muscles after 60 days (p = 0.03), and left medium trapezius muscles, after 90 days of treatment (p=0.04). Related to isometric closure with resistance significant results were found for the electromyographic activity of the right suprahyoid muscles (p=0.04) and right (p=0.04) and left middle trapezius (p=0.02) at 90 days after treatment. A significant correlation was observed when comparing bilaterally all muscles in both conditions (p<0.05). After the plan occlusal splint therapy, there was a significant functional equalization of the electromyographic activity of neck and suprahyoid muscles, suggesting that changes in mandible position can influence the electrical activity of cervical muscles
Doutorado
Protese Dental
Doutora em Clínica Odontológica
Alencar, Eloisa Nassar de. "Avaliação da eficácia em curto prazo do uso de placas estabilizadoras oclusais de cobertura total e dispositivos NTI (nociceptive trigeminal inhibitory splint) no tratamento da dor miofascial da musculatura mastigatória". Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/25/25146/tde-26072011-162157/.
Texto completoThe aim of this research was to test the hypothesis that the treatment with intraoral appliances with different occlusal designs is beneficial in the management of symptoms and signs of masticatory Myofascial Pain (MMP) when compared to a control group. 51 patients were analyzed according to the Research Diagnostic Criteria for Temporomandibular Disorders (RDC/ TMD) in order to obtain the diagnostic of Myofascial Pain. Then the sample was randomly divided into three groups: 21 patients were treated with acrylic stabilization occlusal splint ; 16 received an anterior device (NTI (Nociceptive Trigeminal Inhibitory System)) and 14 patients received couseling and orientations for behavioral changes (control group). The two previous groups also received orientations and counseling. The devices were installed and weared in partial time (only during sleep), and the follow-ups were performed after 2, 6 weeks and three months. In these sessions, patients were evaluated according the visual scale of pain (VAS), maximum mouth opening and masticatory muscle algometry, able to determine the pain pressure threshold (PPT)(KRATOS, Brazil). Possible adverse effects were also analyzed such as comfort in the use of the appliance and occlusal alterations. The results were analyzed with Chi-Square test, Kruskal-Wallis, ANOVA and Turkey, with significance level of 5%. The three groups showed improvement in signs and symptoms of MMP, suggesting that occlusal appliances and behavioural orientations may be benefical in the treatment of this condition. However, the management with occlusal appliance and orientations seems to have an earlier effect. Long term studies with the NTI device are needed to establish its safety and absence of adverse dental effects.
Silva, Carolina Amorim Vieira e. "Aplicação do protocolo FARC de tratamento de DTM com placa oclusal e controle eletromiográfico". Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/58/58133/tde-27032008-170926/.
Texto completoSurface electromyography (EMG) can currently be considered a very useful instrument which allows a quantitative assessment of masticatory muscles in patients with temporomandibular dysfunction (TMD). The purposes of this study was to apply FARC Protocol of TMD treatment with occlusal splint and electromyographic control, correlating the clinical assessment data before and after the treatment with an occlusal splint for a group of 15 patients with TMD, classified according to the RDC / TMD; comparing the results obtained with EMG, before and after treatment with an occlusal splint; comparing the EMG results for this group suffering from TMD and an asymptomatic control group. The electromyographic examination of the masseter and the anterior temporal muscles was carried out in the first assessment session (Phase 1), after one week (Phase 2) and after five weeks (Phase 3) of treatment, aiming at verifying the stability of the splint and the evolution of the muscular activity. The EMG waves were analyzed using the software, and the following EMG indices were calculated: percentage overlapping coefficient (POC) of the masseter and anterior temporal muscles; torque coefficient (TORS); asymmetry index (ASIM); activity index (ATTIV) and the total electrical activity (IMP). For data expressed at measurement interval levels, nonparametric statistics were adopted, using the Wilcoxon test for the paired data in the intra-group analysis (among the phases). Data at ratio level were analyzed through parametric statistical means: paired data t test for intra-group analysis, independent sample t test for among-group analysis. The significance level was established at 5%. After treatment, a statistical significance was found in mouth opening, as well as in the remission in the pain at palpation of a significant portion of the assessed muscles and the TMJ. A significant difference was obtained for the masseter POC and IMP, immediately after the first splint adjustment. When comparing the first phase, without the splint, to the second phase, with the first splint adjustment, a significant difference was observed in the values for masseter POC, ASIM and IMP. There was a significant difference between phase 1, without the splint, and phase 3, with the adjusted splint, for masseter and temporal POC values, ASIM, ATTIV, and IMP. Throughout the entire treatment, there were no significant differences concerning the EMG index in the examinations performed without the splint. There was a statistical significance between the TMD and the control groups in the beginning and in the end of the treatment, with significant differences observed in POC values for both muscles and ATTIV. The occlusal splint, without provoking permanent changes, proved effective to promote the balance of electromyographic activities during its use, and efficient in relieving the symptoms. The EMG parameters allow its scientific use in identifying neuromuscular unbalance, and as such, this assessment tool allowed an objective analysis and evaluation of the different phases of the traditional treatment for TMD in dentistry, differentiating patients with TMD and asymptomatic individuals.
Ferreira, Liege Maria Di Bisceglie 1956. "Influência do ajuste oclusal funcional sobre a estabilidade mandibular". [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/288821.
Texto completoDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: A eficácia do Ajuste Oclusal Funcional (AOF) sobre a estabilidade mandibular, o qual se baseia na avaliação de palpação e marcas geradas nos dentes por papel articular, foi avaliada neste estudo por meio da simetria de músculos mastigatórios e do relato de dor. A simetria da parte superficial do músculo masseter e da parte anterior do músculo temporal foi mensurada durante o período da mínima estabilidade mandibular, que ocorre no início da intercuspidação. Participaram da pesquisa 26 voluntárias com disfunção temporomandibular (DTM), dentre as quais 13 foram avaliadas exclusivamente após a realização do Ajuste Oclusal Funcional; 12 voluntárias foram avaliadas após a realização de uma simulação de ajuste oclusal (placebo) e em outro momento, após a realização do ajuste oclusal efetivo. Uma voluntária participou exclusivamente na condição placebo, em vista de sua desistência de participação na segunda etapa. Foram observados 13 casos tratados de forma não efetiva (placebo) e 25 casos tratados com Ajuste Oclusal Funcional efetivo. Em cada caso foram efetuadas avaliações em 3 fases: pré tratamento (Pré), imediatamente após (Pós) e 1 semana após o procedimento (Pós1S). Os índices de simetria se alteraram de forma significativa em todos os músculos do grupo tratado entre as fases Pré e Pós (p<0,05) e não foram observados indícios de diferenças entre as fases Pós e Pós1S (p>0,05). No grupo placebo não foram detectadas quaisquer indicações de efeito significativo (p>0,05). O aumento da simetria da atividade muscular, da simetria do tempo de ativação e a redução significativa dos níveis de dor (p<0,05), observados exclusivamente no grupo tratado, sugerem a eficácia do AOF como fator de estabilidade mandibular, e como tratamento de DTM
Abstract: The effectiveness of Functional Occlusal Adjustment (FOA) on the mandibular stability, which is based on the evaluation of palpation and articular paper brands generated over the teeth, was assessed in this study by the symmetry of the masticatory muscles and reporting pain. The symmetry of the superficial part of the masseter muscle and the anterior part of the temporal muscle was measured during the period of minimal mandibular stability, which occurs in the beginning of the intercuspation. Participants were 26 volunteers with temporomandibular disorders (TMD), among which 13 were evaluated only after the completion of the FOA, 12 patients were evaluated after performing a simulation of occlusal adjustment (placebo) and at another time, after effective realization of occlusal adjustment. One voluntary participated only in placebo condition, in view of its withdrawal of participation in the second stage. A total of 13 cases treated non-effective (placebo) and 25 cases treated with effective FOA. Each case was evaluated based on three phases: pre-treatment (Pre), immediately after (Post) and 1 week after the procedure (1WP). The symmetry indices changed significantly in all muscles of the treated group between the pre and post phases (p<0.05) and revealed no evidence of differences between phases Post and 1WP (p>0.05). In the placebo group were not found any indication of a significant effect (p>0.05). The increase of the muscular activity of symmetry, the symmetry of the activation time and a significant reduction in pain levels (p<0.05) only observed in the treated group, suggesting the effectiveness of the FOA as a factor of mandibular stability and for the treatment of TMD
Mestrado
Anatomia
Mestra em Biologia Buco-Dental
Lucas, Barbara de Lima 1983. "Evaluation of nutritional anthropometric patterns and characteristics of masticatory system = occlusal and craniofacial morphology, temporomandibular disorders, bite force and salivary biomarkers = Avaliação dos padrões antropométricos nutricionais e das características do sistema mastigatório: morfologia oclusal e craniofacial, disfunção temporomandibular, força de mordida e biomarcadores salivares". [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/287970.
Texto completoTese (doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: Este estudo buscou identificar as possíveis relações dos padrões antropométricos nutricionais com as caracrerísticas morfológicas e funcionais do sistema mastigatório e níveis de biomarcadores salivares. Três estudos foram conduzidos, apresentados na forma de capítulos. As amostras foram compostas por sujeitos saudáveis, com idade entre 15 e 30 anos. Capítulo 1: Objetivou comparar a antropometria e a composição corporal e verificar se o padrão antropométrico nutricional estaria associado à disfunção temporomandibular (DTM). Foram avaliados 110 mulheres e 60 homens distribuídos em grupos controle, desordem muscular (MD) ou deslocamento de disco (DD), de acordo com o Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD). As medidas antropométricas foram peso, altura e perímetros da cintura, abdomen e quadril. A composição corporal foi avaliada por meio da porcentagem de gordura corporal (BF%), e das massas adiposa, óssea, muscular e residual. A intensidade da dor (CPI) e os sintomas físicos não específicos incluíndo dor facial (NSPSP) foram considerados. Observação: O resumo, na íntegra, poderá ser visualizado no texto completo da tese digital.
Abstract: The aim of this study was to identify possible associations of nutritional anthropometric patterns with morphologic and functional characteristics of the masticatory system as well as with salivary biomarkers. Three studies were developed and reported in three chapters. Samples consisted of health subjects aged between 15 and 30 years. Chapter 1: To compare body characteristics and composition and to verify if nutritional anthropometric patterns are associated with temoromandibular dysfunctions (TMD). 110 females and 60 males were classified into Control, Muscle disorders (MD) or Disc displacements (DD) groups according to the Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD). Anthropometric measurements recorded were weight, height and perimeters of waist, abdomen and hip. Body composition was evaluated with values of body fat percentage (BF%) as well as with values of fat, muscle, bone and residual mass. Pain intensity (CPI) and nonspecific physical symptoms including facial pain (NSPSP) were considered. ...Note: The complete abstract is available with the full electronic document.
Doutorado
Fisiologia Oral
Doutora em Odontologia
Laurentjoye, Mathieu. "Osteotomies mandibulaires virtuelles : acquisition, planification, modelisation et production d’un guide occlusal et condylien imprime en 3 dimensions. Mise en place d’une chaîne méthodologique de la faisabilité à la clinique". Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0372/document.
Texto completoThe purpose of this work was the implementation of a methodological chain for bilateral sagittal split osteotomy (BSSO) virtual planning and its transfer in the operating room. In the first part of the work, usual methods for planning BSSO are exposed. Usually realized from plaster models on articulator, the planning and the occlusal surgical guides production are at risk of temporo-‐mandibular functional disorders. The quality of the functional result depends on the correct positioning of the mandibular condyle, considered as a skeletal stability element. An assessment of the maxillofacial surgeons practices was realized regarding intra-‐operative condyle positioning. Using a condylar positioning device (CPD),less frequently employed than the empirical method, meets an acceptable benefit/risk balance. This method was virtually reproduced through various steps of the methodological chain described. Computerized innovative techniques for three-‐dimensional acquisition, design and manufacturing were used. In the second part of the work, the methodology of each step of the chain was presented and estimated, either on cadaveric subjects, or on patients. The aim was to demonstrate the feasibility of the whole chain. The “acquisition and surface extraction” step pointed the issue of artefacts due to dental or orthodontic metallic devices. Ninety % of the obtained meshes were satisfactory, allowing not to use plaster models. The “virtual surgical planning” step allowed reproducing the usual method and showed great interest in bone interferences prevention. The “modelling and printing of the surgical guide” step described the stages of occlusal and condylar positioning device (OCPD) invention. Its technical characteristics, its methods of manufacturing by 3D printing, and its intraoperative use were specified. The step “OCPD evaluation” showed the method feasibility and the clinical, technical and biological equivalence of this custom-‐made medical device as compared to those used in the usual method. Finally the condylar position obtained with this device was estimated in a preliminary clinical study and compared with the literature. Thanks to the OCPD, we showed the possibility of transferring in the operating room an OSBM virtual planning controlling condyles position
Mao, Jian. "Proteoglycan expression in the rat temporomandibular joint in response to a bite-raising appliance". 1996. http://catalog.hathitrust.org/api/volumes/oclc/46947684.html.
Texto completoCorreia, Alexandra Rodrigues do Carmo. "O papel da Ortodontia na disfunção temporomandibular". Master's thesis, 2016. http://hdl.handle.net/10284/5608.
Texto completoIntroduction: Temporomandibular dysfunctions undertake an increasingly important role in a dentist’s daily practice, as they are musculoskeletal disorders that have a high impact on people's lives. Development: Characterized by a multifactorial etiology, scientific studies have long began attempting to determine the causal factors that trigger and perpetuate the dysfunction. The individual evaluation of each clinical case is important because several factors have been related in some way to the progress of these disorders. Over the years, the role that occlusion represents in the progress of temporamandibular dysfunctions has been extensively debated leading to different views and high controversy. It’s impact on the dysfunctions of the masticatory system was found to have repercussions on the orthodontics theme and this interest was mainly due to the fact that orthodontic treatment causes change to the occlusal conditions of patients, raising questions about the influence of this therapy as a causal factor of temporomandibular dysfunctions after treatment. Conclusion: The successful treatment of temporomandibular dysfunction depends on a careful analysis of the clinical situation and its etiologic factors in order to select the appropriate therapy. It is important to study each case, plan and adapt the correct treatment to different situations. Similarly, the success of orthodontic treatment requires the same assumption for a positive outcome either from an aesthetic or a functional point of view.
Mateus, Stéphanie Almeida de Jesus. "Goteiras : efetividade e aplicação clínica na consulta de oclusão e dor orofacial da clínica Universitária Católica Portuguesa". Master's thesis, 2013. http://hdl.handle.net/10400.14/13784.
Texto completoIntroduction: Occlusal splints are used to decrease symtomatology associated with clinical situations like temporomandibular joint dysfunctions and parafunctional habits, such as bruxism. It is important that dentists are able to do a correct diagnosis of different disorders and apply correct treatment plan with the right kind of occlusal splint. Objectives: This study pretends to do a descriptive analysis of occlusal splint executed in the University Clinic of the Catholic University of Portugal. The study pretends to identify the pathology and evaluate the efficacy of treatment with occlusal splint in reduction of signs and symptoms of these disorders. Methodology: Two groups of patients were selected, an experimental group – 20 patients with occlusal splints and a control group – 20 patients without occlusal splints. An evaluation, with the RDC/TMD indice, was conducted on the groups to diagnose and examine the presence of signs and symptoms of the pathology. The data collected was analyzed statistically using Chi-square test and Fisher’s exact test, according to the sample size. Results: Significant results were found between use of occlusal splints and presence/absence of pain in both the experimental group (6 males and 14 females with mean age of 36.15 years) and the control group (4 males and 16 females with mean age of 28.55 years). 65% of patients from the experimental group did not refer of spontaneous pain while 80% of patients from the control group experienced symptoms. A significant association was also found between the use of occlusal splints and diagnosis of pathology associated, and that 55% of the splints studied belonged to patients with bruxism. Conclusion: Within the limits of this study, namely regards to the limited sample size, it is possible to observe that patients with occlusal splints presented a reduction of symptoms associated with temporomandibular joint dysfunction and bruxism.