Relevant bibliographies by topics / Dental radiographies

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Dental radiographies'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 February 2022

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Journal articles on the topic "Dental radiographies"

1

Bîcleşanu, Cornelia, Anamaria Florescu, Alexandru Burcea, Laur Iacob, Ştefan Ţigăeru Polihroniade, and Denisa Danilă. "In vitro comparative study on the relevance of dental radiographies in detection of dental caries." Romanian Journal of Stomatology 65, no. 2 (2019): 119–31. http://dx.doi.org/10.37897/rjs.2019.2.5.

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Lazăr, Ana Petra, Alexandru Vlasa, Bukhari Csilla, Buka Imola, and Luminița Lazăr. "The role of carious lesions in the occurrence of pathological modifications in deep periodontal level – radiographic evaluation." Acta Stomatologica Marisiensis Journal 2, no. 2 (2019): 210–14. http://dx.doi.org/10.2478/asmj-2019-0008.

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AbstractIn the etiology of periodontal disease, dental caries act as a favoring factor. The purpose of our study was to evaluate the role of untreated or incorrectly treated carious lesions in the occurrence of pathological changes in the periodontal support. Material and methods: In order to evaluate the impact of the dental caries in the appearance of destructive lesions at the periodontal level, we examined 378 X-rays. The radiographies were selected based on the presence of approximal dental cavities, untreated or incorrectly treated and we appreciated the association of these factors with the presence and the level of bone resorption of the interdental septum. Results: On the 378 radiographies we examined, it was discovered the presence of 398 approximal carious lesions, of which 146 were associated with bone resorption. The examined radiographies permitted us to evaluate 1512 fillings inserted in second class cavities, of which 1103 were correctly done, and 309 were incorrect and associated with bone resorption phenomena. Incorrectly done restorations were associated with bone resorption phenomena due to the lack of contact with the adjacent tooth for 213 of these, and because of an inaccurate adaptation at the level of the gingival threshold for 96. Conclusions: The dentist has to pay a special attention to the approximal coronary restorations because these can favor the retention of bacterial plaque and, in most cases, can lead to bone loos in the alveolar ridge area.
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Stana, Ademir Horia, Otilia Lavinia Stana (Gag), Gheorghe Ciobanu, et al. "Applications of Imaging Technologies in Maxillary Cyst Assessment." Revista de Chimie 68, no. 5 (2017): 1130–36. http://dx.doi.org/10.37358/rc.17.5.5627.

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The use of dental radiographies is nowadays indispensible for the clinician, and the evolution of x-rays provide quality images of the anatomic structures. The indications for a radiographic exam must be based on a clinical examination of the patient. Although the most used radiographies in dentistry are the retroalveolar and the panoramic one, it is considered that the indication for a CBCT scanning should be professional justified and evaluated as a balance between the benefits and the risk of exposure at radiation. The CBCT scans provide good quality images of the anatomic structures, with an accurate delimitation of the pathologic lesions, fact that allows the practitioner to proper evaluate the surrounding structures. CBCT technique uses an x-ray beam shaped like a cone that records 3D images in a single gantry rotation (360 degrees) within 6-20 seconds, with a radiation dose that depends on several factors. The comparison of the radiation dose of the CBCT (11-674 mSv) and the panoramic radiography (2.7�24.3 mSv) demonstrates that the CBCT requires a higher dose of radiation, but the high image quality is competing with the ones obtained with MSCT (280�1,410 mSv). The panoramic radiography uses an x-ray beam that is angled at aproximately 8 degrees, providing the practitioner a 2D radiographic image of the anatomic structures. The disadvantages of the panoramic radiography are the overlapping of the anatomic structures, the distortion and the blurry image. The study is based on the measurements of cystic lesions of the mandibular and maxillary bone that were present on radiographies and CBCT scans of 25 patients. The result of the measurements was that significative differences were found between the panoramic image of the cyst and the reconstructive image that the CBCT.
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Chinem, Lillian Atsumi Simabuguro, Beatriz de Souza Vilella, Cláudia Lúcia de Pinho Maurício, Lucia Viviana Canevaro, Luiz Fernando Deluiz, and Oswaldo de Vasconcellos Vilella. "Digital orthodontic radiographic set versus cone-beam computed tomography: an evaluation of the effective dose." Dental Press Journal of Orthodontics 21, no. 4 (2016): 66–72. http://dx.doi.org/10.1590/2177-6709.21.4.066-072.oar.

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ABSTRACT Objective: The aim of this study was to compare the equivalent and effective doses of different digital radiographic methods (panoramic, lateral cephalometric and periapical) with cone-beam computed tomography (CBCT). Methods: Precalibrated thermoluminescent dosimeters were placed at 24 locations in an anthropomorphic phantom (Alderson Rando Phantom, Alderson Research Laboratories, New York, NY, USA), representing a medium sized adult. The following devices were tested: Heliodent Plus (Sirona Dental Systems, Bernsheim, Germany), Orthophos XG 5 (Sirona Dental Systems, Bernsheim, Germany) and i-CAT (Imaging Sciences International, Hatfield, PA, USA). The equivalent doses and effective doses were calculated considering the recommendations of the International Commission of Radiological Protection (ICRP) issued in 1990 and 2007. Results: Although the effective dose of the radiographic set corresponded to 17.5% (ICRP 1990) and 47.2% (ICRP 2007) of the CBCT dose, the equivalent doses of skin, bone surface and muscle obtained by the radiographic set were higher when compared to CBCT. However, in some areas, the radiation produced by the orthodontic set was higher due to the complete periapical examination. Conclusion: Considering the optimization principle of radiation protection, i-CAT tomography should be used only in specific and justified circumstances. Additionally, following the ALARA principle, single periapical radiographies covering restricted areas are more suitable than the complete periapical examination.
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Sisman, Yildiray, Elif Tarim Ertas, Huseyin Ertas, and Ahmet Ercan Sekerci. "The Frequency and Distribution of Idiopathic Osteosclerosis of the Jaw." European Journal of Dentistry 05, no. 04 (2011): 409–14. http://dx.doi.org/10.1055/s-0039-1698913.

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ABSTRACTObjectives: To determine the prevalence of idiopathic osteosclerosis (IO) in the jaw by radiographic evaluation and to investigate the relationship between the findings in relation to age, gender, and localization. Methods: The study included 2,211 panoramic radiographs obtained from the patients (915 men and 1,296 women) whose ages ranged from 10-77 and who visited the Department of Oral Diagnosis and Radiology in the Faculty of Dentistry, Erciyes University between 2008 and 2009. Results: Of 2,211 patients, 135 patients (6.1%) had IO. The prevalence obtained in our study was in the range reported in the literature. IO was detected more often in mandible rather than the maxilla. In addition, mandibular molar localization was the most common localization, and most of the lesions were associated with root apices. Conclusions: In view of the findings, IO can be defined as developmental variations of normal bony architecture, which are unrelated to local stimuli. The lesions can arise at any age, any location with no sex predilection, and IO usually requires no treatment other than diagnosis. Because all these lesions were located in the jaw and could only is detected in panoramic evaluations, this indicates the importance of careful diagnostic evaluation of radiographies in dental examinations. (Eur J Dent 2011;5:409-414)
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Tamburini, Adriana Boeri Freire, Ygor Henrique Pereira Rodrigues, Daniella Reis Barbosa Martelli, et al. "Dental anomalies in the deciduous dentition of non-syndromic oral clefts patients." Revista Brasileira de Saúde Materno Infantil 20, no. 1 (2020): 257–63. http://dx.doi.org/10.1590/1806-93042020000100014.

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Abstract Objectives: to investigate the prevalence of dental anomalies in complete deciduous dentition of children with NSCL/P. Methods: this study included 75 children with NSCL/P and 286 healthy control. In both groups the children had deciduous dentition with ages varying from 4 to 6 years. Clinical examination, panoramic and periapical radiographies were performed and dental anomalies of number and shape were considered. Results: there was a higher prevalence of dental anomalies in the case group, compared to the control group. In all, 42 dental anomalies were identified, 25.33% in the case group and 8.04% in control group (p<0.001). Therewas a higher frequency of dental anomalies in NSCL/P (47.36%), followed by non-syndromic cleft lip (31.57%) and non-syndromic cleft palate (21.05%). The occurrence of agenesis (p= 0.005) and twinning (p = 0.029) were higher in the case group. Conclusions: the occurrence of agenesis and dental twinning was more frequent in the case group and may contribute to the definition of oral cleft subphenotype.
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Prados-Privado, María, Javier García Villalón, Carlos Hugo Martínez-Martínez, and Carlos Ivorra. "Dental Images Recognition Technology and Applications: A Literature Review." Applied Sciences 10, no. 8 (2020): 2856. http://dx.doi.org/10.3390/app10082856.

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Neural networks are increasingly being used in the field of dentistry. The aim of this literature review was to visualize the state of the art of artificial intelligence in dental applications, such as the detection of teeth, caries, filled teeth, crown, prosthesis, dental implants and endodontic treatment. A search was conducted in PubMed, the Institute of Electrical and Electronics Engineers (IEEE) Xplore and arXiv.org. Data extraction was performed independently by two reviewers. Eighteen studies were included. The variable teeth was the most analyzed (n = 9), followed by caries (n = 7). No studies detecting dental implants and filled teeth were found. Only two studies investigated endodontic applications. Panoramic radiographies were the most common image employed (n = 5), followed by periapical images (n = 3). Near-infrared light transillumination images were employed in two studies and bitewing and computed tomography (CT) were employed in one study. The included articles used a wide variety of neuronal networks to detect the described variables. In addition, the database used also had a great heterogeneity in the number of images. A standardized methodology should be used in order to increase the compatibility and robustness between studies because of the heterogeneity in the image database, type, neural architecture and results.
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Ghapanchi, Janan, Maryam Zahed, Abdolaziz Haghnegahdar, Niloofar Niakan, and Azita Sadeghzadeh. "Osteoporosis and Jaw Abnormalities in Panoramic Radiography of Chronic Liver Failure Patients." BioMed Research International 2018 (August 26, 2018): 1–6. http://dx.doi.org/10.1155/2018/4280312.

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Introduction. Patients with chronic liver failure (CLF) are faced with many complications, because this organ is involved in various metabolic activities. Hepatic osteodystrophy is one of the major health issues encountered by this group of patients. The current study evaluated osteoporosis and bone changes in oral panoramic radiographies of cirrhotic patients. Materials and Methods. In this study, 138 panoramic views of CLF patients, candidates for liver transplant (65 females, 73 males, aged 19-68 years) referred to Shiraz University Dental Clinic (Shiraz, Iran) for pretransplant oral examination, were evaluated. Also 138 healthy individuals (69 females, 69 males, aged 18-70 years) referred to the same clinic were examined. Abnormalities such as osteoporosis, pathologic radiolucencies, pathologic calcifications, tonsilloliths, condylar degeneration, and other findings in the alveolar bones were recorded. Results. Osteoporosis was a common finding in CLF patients (p<0.001), and the probability of detecting low bone density in the panoramic view was 20.37 times higher among patients than healthy subjects. The probability of detecting pathologic jaw radiolucencies was 8.92 times higher in the case group than in the controls (p<0.001). Other bone abnormalities such as condylar degeneration and idiopathic osteosclerosis were also more prevalent in CLF patients compared to healthy subjects (p<0.001). Conclusion. Cirrhotic patients are prone to osteoporosis of the alveolar bones. Also, pathologic jaw radiolucencies as a result of oral infections are more prevalent in this group of patients. Routine oral panoramic views are acceptable and cost-effective radiographies for use in detecting such abnormalities in the alveolar bones as well as overall dental health. These findings also support the importance of dental health examinations prior to liver transplantation to reduce the risk of organ rejection.
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Cerqueira, E. M. M., I. S. Gomes-Filho, S. Trindade, M. A. Lopes, J. S. Passos, and G. M. Machado-Santelli. "Genetic damage in exfoliated cells from oral mucosa of individuals exposed to X-rays during panoramic dental radiographies." Mutation Research/Genetic Toxicology and Environmental Mutagenesis 562, no. 1-2 (2004): 111–17. http://dx.doi.org/10.1016/j.mrgentox.2004.05.008.

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Alakhras, Maram, Dana S. Al-Mousa, Arwa Mahasneh, and Amani G. AlSa’di. "Factors Affecting Compliance of Infection Control Measures among Dental Radiographers." International Journal of Dentistry 2020 (November 16, 2020): 1–11. http://dx.doi.org/10.1155/2020/8834854.

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Objectives. To assess the level of dental radiographers’ compliance with infection control measures and to evaluate the factors affecting their compliance. Methods. The study included 175 dental radiographers. Compliance with infection control was evaluated with a self-administered questionnaire consisting of 33 questions related to vaccination, hand hygiene (HH), personal protective equipment (PPE), disinfection and sterilization, and use of surface barriers. Pearson’s chi-square test was used to compare compliance between subgroups of radiographers. Results. 64.6% of participants were females, and 62.9% was younger than 30 years. 13.0% of the sample population had >10 years of experience and 28.0% take radiographs for >20 patients/day. 66.9% of participants wash their hands before/after taking radiographs. 26.3% of participants had vaccination against hepatitis B, tetanus, and tuberculosis. 12.6% fully use PPE, 10.9% perform complete disinfection and sterilization, and 16.0% apply all kinds of surfaces barriers. Vaccination was significantly affected by age, gender, and practice type. HH was affected by years of experience and number of patients radiographed per day. PPE was influenced by number of hours worked per week and patients radiographed daily. Disinfection and sterilization was affected by practice type and years of experience. The use of surface barriers was affected by age, practice type, and number of patients radiographed/day. Conclusions. The current study indicated poor compliance with infection control practices among dental radiographers. We recommend continuing educational programs and training courses to increase dental radiographers’ awareness of local and international infection control guidelines and to enhance their implementation of these guidelines.
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Dissertations / Theses on the topic "Dental radiographies"

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Barbieri, Ana Amélia [UNESP]. "Importância da radiografia panorâmica como instrumento auxiliar às práticas clínica e odontolegal." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/105862.

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Made available in DSpace on 2014-06-11T19:35:09Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-12-08Bitstream added on 2014-06-13T20:06:38Z : No. of bitstreams: 1 barbieri_aa_dr_sjc.pdf: 394148 bytes, checksum: 38068de89d952ac2c1ec034621729317 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>As radiografias odontológicas registram a situação clínica do indivíduo embasando o tratamento proposto e acompanhando sua evolução. Dentre elas a radiografia panorâmica propicia uma visão mais ampla do complexo bucomaxilofacial, permitindo a descoberta de processos patológicos e outros achados, contribuindo para diagnósticos mais eficazes e melhor planejamento terapêutico. Além disso, é igualmente relevante no processo de identificação humana,estimativa da idade e na solução de discussões judiciais. Este estudo foi conduzido visando fundamentar a necessidade da inclusão da radiografia panorâmica como documento imprescindível ao prontuário do paciente, de modo a conferir a ele maior autenticidade. Para tanto, foram avaliadas 2732 radiografias panorâmicas não identificadas, de pacientes na faixa etária de 15 a 55 anos, de ambos os sexos, procedentes dos acervos da Disciplina de Radiologia da FOSJC-UNESP e de uma clínica radiológica particular da cidade de São José dos Campos - SP. A análise das radiografias buscou achados radiográficos não observáveis clinicamente. Os dados encontrados foram submetidos a análise estatística descritiva, TesteT Student e Teoria Central do Limite. Do total das radiografias panorâmicas avaliadas, 20,31% apresentaram achados radiográficos. Não foram encontradas diferenças estatisticamente significantes entre os sexos e entre os sexos e a faixa etária. Os dados obtidos e a múltipla finalidade odontológica da radiografia panorâmica demonstram sua essencialidade como documento a complementar o prontuário odontológico do indivíduo, conferindo a ele maior legitimidade e valor clínico<br>The dental radiographies make part of the documents that fill in the patients file, keeping the patients clinical situation registers before and during treatment, and after its conclusion, supporting the proposed treatment and following its evolution. From those radiographies used for dental purposes, the panoramic radiography is the one that gives you a wide vision of the bucomaxilar complex for embracing teeth, facial bones, and surround structures. It is equally relevant in the human identification process, age chronology, and in court for judicial issues. This study aims to reinforce the need to include the panoramic radiography to the patients file as an essential document, accrediting bigger authenticity to it. For this purpose, the authors evaluated 2732 no identified panoramic radiographies of male and female patients between 15 and 55 years of age gotten from the Radiology Subject of FOSJC-UNESP files and from a private radiological clinic in São José dos Campos - SP. This study investigated for radiographic finds not clinically seen. The data obtained was submitted to descriptive statistical analysis and Student T test. It was observed that 20,31% of all panoramic radiographies evaluated carried radiographic finds. No significantly statistical differences were found between the sexes and the sexes and ages. Obtained data and the multiple use of the panoramic radiography indicate its importance as a complementary document to the patients file, accrediting to it bigger legal and clinical values
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Barbieri, Ana Amélia. "Importância da radiografia panorâmica como instrumento auxiliar às práticas clínica e odontolegal /." São José dos Campos [s.n.], 2011. http://hdl.handle.net/11449/105862.

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Orientador: Mari Eli Leonelli Moraes Profa.<br>Coorientador: Suely Carvalho Mutti Naressi<br>Banca: Janete Dias Almeida<br>Banca: Rogério Nogueira de Oliveira<br>Banca: Milton Gonçalves Soares<br>Banca: Sérgio Lúcio Pereira de Castro Lopes<br>Resumo: As radiografias odontológicas registram a situação clínica do indivíduo embasando o tratamento proposto e acompanhando sua evolução. Dentre elas a radiografia panorâmica propicia uma visão mais ampla do complexo bucomaxilofacial, permitindo a descoberta de processos patológicos e outros achados, contribuindo para diagnósticos mais eficazes e melhor planejamento terapêutico. Além disso, é igualmente relevante no processo de identificação humana,estimativa da idade e na solução de discussões judiciais. Este estudo foi conduzido visando fundamentar a necessidade da inclusão da radiografia panorâmica como documento imprescindível ao prontuário do paciente, de modo a conferir a ele maior autenticidade. Para tanto, foram avaliadas 2732 radiografias panorâmicas não identificadas, de pacientes na faixa etária de 15 a 55 anos, de ambos os sexos, procedentes dos acervos da Disciplina de Radiologia da FOSJC-UNESP e de uma clínica radiológica particular da cidade de São José dos Campos - SP. A análise das radiografias buscou achados radiográficos não observáveis clinicamente. Os dados encontrados foram submetidos a análise estatística descritiva, TesteT Student e Teoria Central do Limite. Do total das radiografias panorâmicas avaliadas, 20,31% apresentaram achados radiográficos. Não foram encontradas diferenças estatisticamente significantes entre os sexos e entre os sexos e a faixa etária. Os dados obtidos e a múltipla finalidade odontológica da radiografia panorâmica demonstram sua essencialidade como documento a complementar o prontuário odontológico do indivíduo, conferindo a ele maior legitimidade e valor clínico<br>Abstract:The dental radiographies make part of the documents that fill in the patients file, keeping the patients clinical situation registers before and during treatment, and after its conclusion, supporting the proposed treatment and following its evolution. From those radiographies used for dental purposes, the panoramic radiography is the one that gives you a wide vision of the bucomaxilar complex for embracing teeth, facial bones, and surround structures. It is equally relevant in the human identification process, age chronology, and in court for judicial issues. This study aims to reinforce the need to include the panoramic radiography to the patients file as an essential document, accrediting bigger authenticity to it. For this purpose, the authors evaluated 2732 no identified panoramic radiographies of male and female patients between 15 and 55 years of age gotten from the Radiology Subject of FOSJC-UNESP files and from a private radiological clinic in São José dos Campos - SP. This study investigated for radiographic finds not clinically seen. The data obtained was submitted to descriptive statistical analysis and Student T test. It was observed that 20,31% of all panoramic radiographies evaluated carried radiographic finds. No significantly statistical differences were found between the sexes and the sexes and ages. Obtained data and the multiple use of the panoramic radiography indicate its importance as a complementary document to the patients file, accrediting to it bigger legal and clinical values<br>Doutor
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Manhães, Júnior Luiz Roberto Coutinho. "Correlação entre a maturação óssea das vértebras cervicais com a maturação óssea de mão e punho e com a mineralização dentária pelo método radiográfico /." São José dos Campos : [s.n.], 2006. http://hdl.handle.net/11449/105870.

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Orientador: Mari Eli Leonelli de Moraes<br>Banca: João Carlos da Rocha<br>Banca: João Batista Macedo Becker<br>Banca: Frab Norberto Boscolo<br>Banca: Francisco Haiter Neto<br>Resumo: O objetivo nesta pesquisa foi a correlação da maturação óssea da segunda (C2), terceira (C3) e da quarta (C4) vértebras cervicais com as fases de maturação óssea de mão e punho e mineralização do segundo molar inferior. A amostra foi constituída de 252 prontuários nos quais continham radiografias cefalométricas laterais, de mão e punho e panorâmicas de 138 indivíduos do sexo feminino e 114 do masculino. A faixa etária ficou compreendida entre os cinco anos e zero mês a 16 anos e 11 meses. Os prontuários foram divididos apenas por sexo já que a associação entre os parâmetros ocorreu a partir da classificação do desenvolvimento das vértebras cervicais. As análises estatísticas foram realizadas separadamente para cada fator e sexo e unidas ao final para se obter a correlação da maturação óssea de mão e punho e mineralização dentária com as vértebras cervicais. Considerando a maturação óssea de mão e punho e mineralização dentária, não houve diferença na seqüência de aparecimento dos eventos se comparado os sexos, sendo notado um adiantamento dos indivíduos do sexo feminino em relação aos do masculino. Verificou-se que para o último estágio vertebral, os indivíduos do sexo feminino estavam no início do capeamento do osso rádio e com dois terços de raiz formada do segundo molar inferior, enquanto os do masculino apresentavam-se com a união total das falanges distais e com o ápice formado. Conclui-se que tanto os indivíduos do sexo feminino quanto os do masculino, apresentaram uma alta correlação entre os fatores.<br>Abstract: The aim of this research was the correlation of the second (C2), third (C3) and fourth (C4) cervical vertebrae bone maturation with the phases of the hand-wrist bone maturation and dental mineralization of lower second molar. The sample was constituted of 252 children’s handbooks which had cefalometric, hand-wrist and panoramic radiographies of the 138 female and 114 male. The chronological age was between five years and zero month to 16 years and 11 months. The division of the handbooks is by sex however the association between the factors done in reference of the cervical vertebrae development classification. The statistical analyses were realized separately for each sex and factor and added in the finish to obtain the correlation of the hand-wrist bone maturation and dental mineralization with the cervical vertebrae. Considering the hand-wrist bone maturation and dental mineralization, there weren’t differences statistically significant in the sequence of the events if compare both sex, being noted that the female was earlier than the male. The last stage of cervical vertebrae was verified that the female was in the begin of the radio capping and two third of radicular formation of the second lower molar while the male showed with the total union of the distal phalange and complete radicular formation. The conclusions were that the both sex showed a high correlation between the factors.<br>Doutor
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Manhães, Júnior Luiz Roberto Coutinho [UNESP]. "Correlação entre a maturação óssea das vértebras cervicais com a maturação óssea de mão e punho e com a mineralização dentária pelo método radiográfico." Universidade Estadual Paulista (UNESP), 2006. http://hdl.handle.net/11449/105870.

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Made available in DSpace on 2014-06-11T19:35:10Z (GMT). No. of bitstreams: 0 Previous issue date: 2006-11-14Bitstream added on 2014-06-13T19:24:32Z : No. of bitstreams: 1 manhaesjunior_lrc_dr_sjc.pdf: 1726237 bytes, checksum: bccfdeb3ec45334f02e1626a80f32949 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>O objetivo nesta pesquisa foi a correlação da maturação óssea da segunda (C2), terceira (C3) e da quarta (C4) vértebras cervicais com as fases de maturação óssea de mão e punho e mineralização do segundo molar inferior. A amostra foi constituída de 252 prontuários nos quais continham radiografias cefalométricas laterais, de mão e punho e panorâmicas de 138 indivíduos do sexo feminino e 114 do masculino. A faixa etária ficou compreendida entre os cinco anos e zero mês a 16 anos e 11 meses. Os prontuários foram divididos apenas por sexo já que a associação entre os parâmetros ocorreu a partir da classificação do desenvolvimento das vértebras cervicais. As análises estatísticas foram realizadas separadamente para cada fator e sexo e unidas ao final para se obter a correlação da maturação óssea de mão e punho e mineralização dentária com as vértebras cervicais. Considerando a maturação óssea de mão e punho e mineralização dentária, não houve diferença na seqüência de aparecimento dos eventos se comparado os sexos, sendo notado um adiantamento dos indivíduos do sexo feminino em relação aos do masculino. Verificou-se que para o último estágio vertebral, os indivíduos do sexo feminino estavam no início do capeamento do osso rádio e com dois terços de raiz formada do segundo molar inferior, enquanto os do masculino apresentavam-se com a união total das falanges distais e com o ápice formado. Conclui-se que tanto os indivíduos do sexo feminino quanto os do masculino, apresentaram uma alta correlação entre os fatores.<br>The aim of this research was the correlation of the second (C2), third (C3) and fourth (C4) cervical vertebrae bone maturation with the phases of the hand-wrist bone maturation and dental mineralization of lower second molar. The sample was constituted of 252 children s handbooks which had cefalometric, hand-wrist and panoramic radiographies of the 138 female and 114 male. The chronological age was between five years and zero month to 16 years and 11 months. The division of the handbooks is by sex however the association between the factors done in reference of the cervical vertebrae development classification. The statistical analyses were realized separately for each sex and factor and added in the finish to obtain the correlation of the hand-wrist bone maturation and dental mineralization with the cervical vertebrae. Considering the hand-wrist bone maturation and dental mineralization, there weren t differences statistically significant in the sequence of the events if compare both sex, being noted that the female was earlier than the male. The last stage of cervical vertebrae was verified that the female was in the begin of the radio capping and two third of radicular formation of the second lower molar while the male showed with the total union of the distal phalange and complete radicular formation. The conclusions were that the both sex showed a high correlation between the factors.
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Vermeulen, Lisa. "Development of a radiographic dental implant guide for forensic identification using current dental implants." Thesis, Cape Peninsula University of Technology, 2018. http://hdl.handle.net/20.500.11838/2755.

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Thesis (MSc (Radiography))--Cape Peninsula University of Technology, 2018.<br>Introduction: Forensic dentistry plays a key role in identifying human remains that cannot be identified visually or by other means. Studies have shown that in cases of single or multiple deaths, scientific identification of human remains utilising forensic dentistry is often the most successful source of identification. Dental identification of human remains consists of a very complex procedure that makes it necessary during the investigation process to use and compare unique dental identifiers. A reliable and accurate method of identifying human remains is a positive radiological identification between ante-mortem and post-mortem images of dental radiographic images. Even if ante-mortem radiographic images may not be present during the identification process, post-mortem images may include details of dental restorations such as dental implants which cannot be seen during visual examination. The different types of dental implants vary in morphology and in conjunction with the unique appearance of dental anatomy and the placement of custom restorations such as dental implants, it has been found to accurately assist in the identification of human remains. Objectives: To establish a radiographic dental implant guide for ten commonly used dental implant types in the Western Cape, South Africa; and to identify and describe the morphological characteristics of these dental implant types as observed on pantomographs. Methods: The ten commonly used dental implant types were imaged radiographically to create a reference instrument which served as a tool for identifying and comparing different types of dental implants. The morphologies of the different dental implants, specifically the apex, thread and neck, were observed on ante-mortem pantomographs and compared to the appearance of the dental implants on the reference instrument to make a positive match. The straight tube image of all ten dental implant types in the reference instrument was used as the point of reference to positively identify the morphological characteristics of each dental implant type on the pantomographs. The morphological characteristics of the ten commonly used dental implant types used in the Western Cape were described and based on this a radiographic dental implant guide was developed. Results: A total of 384 dental implants were observed on the pantomographs. Of these, 380 dental implants could be positively identified on the pantomographs while 4 dental implants could not. A total of 350 dental implants (91%) were identified as dental implant types listed in the reference instrument while 30 dental implants were identified as a dental implant type not listed in the reference instrument. A total of 208 dental implants (54.2%) could be positively identified using the morphological characteristics namely the apex, thread and neck on the straight tube images of the dental implant type in the reference instrument. The radiographic dental implant guide was developed based on positive identification of the morphological characteristics of the dental implant types. Conclusion: This research study has illustrated that the morphology of dental implants can be used to differentiate between different dental implant types on pantomographs. Each dental implant type had unique morphological characteristics as well as similarities which enabled distinction between the different dental implant types, which facilitated dental implant identification and the development of a radiographic dental implant guide. The radiographic dental implant guide developed as part of this research study, may be useful in the field of forensic dentistry and forensic radiology.
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Sundén, Pikner Solweig. "Radiographic follow-up analysis of Brånemark® dental implants /." Göteborg : Department of Oral and Maxillofacial Radiology, Institute of Odontology, University of Gothenburg, Folktandvården, Postgraduate Dental Education Center, 2008. http://hdl.handle.net/2077/10124.

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Drangsholt, Mark Thomas. "Measurement of lifetime dental radiographic radiation exposure to the cranial meninges /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/10904.

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McBride, David Glynn. "Longitudinal assessment of age-related change in the dental pulp chamber and age estimation using dental radiographs." Diss., Columbia, Mo. : University of Missouri-Columbia, 2007. http://hdl.handle.net/10355/4745.

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Thesis (Ph. D.)--University of Missouri-Columbia, 2007.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on September 28, 2007) Vita. Includes bibliographical references.
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Ekert, Thomas [Verfasser]. "Machine learning techniques for computer aided classification of dental radiographic images / Thomas Ekert." Berlin : Medizinische Fakultät Charité - Universitätsmedizin Berlin, 2020. http://d-nb.info/1206183144/34.

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Soikkonen, K. (Kari). "Radiographic oral findings and death risk in the elderly." Doctoral thesis, University of Oulu, 1999. http://urn.fi/urn:isbn:9514254546.

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Abstract Radiographic oral and maxillofacial findings were recorded in a cohort of 293 home living elderly, in Helsinki, Finland, derived from a random sample of 8035 subjects, , born in 1904, 1909, and 1912, who participated in the Helsinki Ageing Study. They were 76, 81, and 86 years old at the commencement of the radiographic study. The relationships of potentially infectious findings with increased all-cause mortality over four years were studied. During the four-year follow-up, 18.5% of the subjects died. Of the 124 edentulous subjects, 17% had condylar findings, 13% radiopaque intraosseous findings, 9% retained roots, 6% maxillary sinus findings, 4% impacted teeth and 3% radiolucent findings. Edentulous women had more arthrotic condylar findings than men. The mean number of teeth in the 169 dentate subjects was 13.9, 15.5 in men and 13.2 in women. Carious teeth were found in 75%, radiolucent findings in 41%, teeth with vertical infrabony pockets in 51%, furcation lesions in 28%, calculus in 40%, and condylar findings in 25%. Periodontal attachment loss was slight in 18%, moderate in 31%, and advanced in 46%. 21% of the teeth had been endodontically treated. Periapical lesions were found in 17% of these teeth, and in 4% of the other teeth. 75% of the rootfillings were inadequate, exhibiting periapical lesions twice as often as the adequate ones. Men had more carious teeth, periapical lesions and furcation lesions than women, indicating better oral hygiene and/or utilisation of dental services in women. Compared with the previous studies carried out in Finland, slightly more teeth and less tooth-associated pathology were found in the present subjects. In contemporary Scandinavian studies, only a slightly better oral health status in the elderly has been reported. During the four-year follow-up, mortality was higher in the subjects with moderate to advanced infrabony pockets, OR 2.2, 1.0-4.7. In the previous studies, similar associations have been found in larger study cohorts including younger subjects. Our results indicate that oral foci may be more dangerous for the elderly than it has been previously thought, as the subjects who died had poorer dental health than those who survived.
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Books on the topic "Dental radiographies"

1

Dental radiographic diagnosis. Thomas, 1988.

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Dental radiographic diagnosis. 2nd ed. PennWell Pub. Co., 1997.

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1924-, Gibilisco Joseph A., Turlington Eastwood G, and Stafne Edward C, eds. Stafne's Oral radiographic diagnosis. 5th ed. Saunders, 1985.

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Kasle, Myron J. An atlas of dental radiographic anatomy. 3rd ed. Saunders, 1989.

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Jansen, Lind Laura, ed. Radiographic interpretation for the dental hygienist. Saunders, 1993.

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An atlas of dental radiographic anatomy. 3rd ed. W.B. Saunders, 1990.

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P, Overman Vickie, and Platin Enrique, eds. Radiographic imaging for the dental team. Lippincott, 1995.

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An atlas of dental radiographic anatomy. 4th ed. W.B. Saunders, 1994.

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van, Steenberghe D., ed. Radiographic planning and assessment of endosseous oral implants. Springer, 1998.

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Manson-Hing, Lincoln R. Fundamentals of dental radiography. 2nd ed. Lea & Febiger, 1985.

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Book chapters on the topic "Dental radiographies"

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Niemiec, Brook A. "Dental Radiographic Positioning." In Practical Veterinary Dental Radiography. CRC Press, 2017. http://dx.doi.org/10.1201/b20288-4.

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Unett, Elizabeth M., and Amanda J. Royle. "Dental radiography." In Radiographic Techniques and Image Evaluation. Springer US, 1997. http://dx.doi.org/10.1007/978-1-4899-2997-6_11.

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Niemiec, Brook A. "Normal Radiographic Anatomy." In Practical Veterinary Dental Radiography. CRC Press, 2017. http://dx.doi.org/10.1201/b20288-9.

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Niemiec, Brook A. "Developing/Processing Dental Radiographs." In Practical Veterinary Dental Radiography. CRC Press, 2017. http://dx.doi.org/10.1201/b20288-6.

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Jain, Anil K., Hong Chen, and Silviu Minut. "Dental Biometrics: Human Identification Using Dental Radiographs." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/3-540-44887-x_51.

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Niemiec, Brook A. "Radiographic Interpretation for Endodontic Disease." In Practical Veterinary Dental Radiography. CRC Press, 2017. http://dx.doi.org/10.1201/b20288-11.

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Schwendicke, Falk, and Gerd Göstemeyer. "Conventional Bitewing Radiographs." In Detection and Assessment of Dental Caries. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-16967-1_11.

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Göstemeyer, Gerd, and Falk Schwendicke. "Digital Bitewing Radiographs." In Detection and Assessment of Dental Caries. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-16967-1_12.

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Rozylo-Kalinowska, Ingrid. "Materials and Preparation for Dental Radiographs." In Imaging Techniques in Dental Radiology. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-41372-9_2.

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Aps, Johan. "Incidental Radiographic Findings in Pediatric Dental Practice." In Imaging in Pediatric Dental Practice. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12354-3_6.

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Conference papers on the topic "Dental radiographies"

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Barone, Sandro, Alessandro Paoli, Armando V. Razionale, and Roberto Savignano. "3D Reconstruction of Individual Tooth Shapes by Integrating Dental CAD Templates and Patient-Specific Anatomy." In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-34362.

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The accurate reconstruction of a human digital dental model represents a wide research area within the orthodontic field due to its importance for the customization of patient treatments. Usually, 3-D dental root geometries are obtained by segmenting tomographic data. However, concerns about radiation doses may be raised since tomographic scans produce a greater X-ray dose than conventional 2-D panoramic radiographs (PAN). The present work is aimed at investigating the possibility to retrieve 3-D shape of individual teeth by exposing the patient to the minimum radiation dose. The proposed methodology is based on adapting general CAD templates over patient-specific dental anatomy, which is reconstructed by integrating the optical digitization of dental plaster models with a PAN image. The radiographic capturing process is simulated through the Discrete Radon Transform (DRT) and performed onto the patient crowns geometry obtained by segmenting the digital plaster model. A synthetic PAN image is then reconstructed and used to integrate the radiographic data within the digitized plaster model, thus allowing to retrieve roots information which guide the CAD templates adapting over the patient anatomy.
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Hong Chen and A. K. Jain. "Dental Biometrics: Alignment and Matching of Dental Radiographs." In 2005 Seventh IEEE Workshops on Applications of Computer Vision (WACV/MOTION'05). IEEE, 2005. http://dx.doi.org/10.1109/acvmot.2005.41.

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Schouten and Van Der Stelt. "Expertise In Interpreting Dental Radiographs." In Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 1992. http://dx.doi.org/10.1109/iembs.1992.594736.

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Schouten, Elizabeth, and Paul F. van der Stelt. "Expertise in interpreting dental radiographs." In 1992 14th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 1992. http://dx.doi.org/10.1109/iembs.1992.5761375.

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Dunn, Stanley M. "Caries Detection In Dental Radiographs." In 31st Annual Technical Symposium, edited by Andrew G. Tescher. SPIE, 1988. http://dx.doi.org/10.1117/12.942136.

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Nomir, Omaima, and Mohamed Abdel-Mottaleb. "Hierarchical Dental X-Ray Radiographs Matching." In 2006 International Conference on Image Processing. IEEE, 2006. http://dx.doi.org/10.1109/icip.2006.313061.

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"Automatic Detection and Classification of Dental Restorations in Panoramic Radiographs." In InSITE 2019: Informing Science + IT Education Conferences: Jerusalem. Informing Science Institute, 2019. http://dx.doi.org/10.28945/4307.

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[This Proceedings paper was revised and published in the 2019 issue of the journal Issues in Informing Science and Information Technology, Volume 16] Aim/Purpose: The aim of this study was to develop a prototype of an information-generating computer tool designed to automatically map the dental restorations in a panoramic radiograph. Background: A panoramic radiograph is an external dental radiograph of the oro-maxillofacial region, obtained with minimal discomfort and significantly lower radiation dose compared to full mouth intra-oral radiographs or cone-beam computed tomography (CBCT) imaging. Currently, however, a radiologic informative report is not regularly designed for a panoramic radiograph, and the referring doctor needs to interpret the panoramic radiograph manually, according to his own judgment. Methodology: An algorithm, based on techniques of computer vision and machine learning, was developed to automatically detect and classify dental restorations in a panoramic radiograph, such as fillings, crowns, root canal treatments and implants. An experienced dentist evaluated 63 panoramic anonymized images and marked on them, manually, 316 various restorations. The images were automatically cropped to obtain a region of interest (ROI) containing only the upper and lower alveolar ridges. The algorithm automatically segmented the restorations using a local adaptive threshold. In order to improve detection of the dental restorations, morphological operations such as opening, closing and hole-filling were employed. Since each restoration is characterized by a unique shape and unique gray level distribution, 20 numerical features describing the contour and the texture were extracted in order to classify the restorations. Twenty-two different machine learning models were evaluated, using a cross-validation approach, to automatically classify the dental restorations into 9 categories. Contribution: The computer tool will provide automatic detection and classification of dental restorations, as an initial step toward automatic detection of oral pathologies in a panoramic radiograph. The use of this algorithm will aid in generating a radiologic report which includes all the information required to improve patient management and treatment outcome. Findings: The automatic cropping of the ROI in the panoramic radiographs, in order to include only the alveolar ridges, was successful in 97% of the cases. The developed algorithm for detection and classification of the dental restorations correctly detected 95% of the restorations. ‘Weighted k-NN’ was the machine-learning model that yielded the best classification rate of the dental restorations - 92%. Impact on Society: Information that will be extracted automatically from the panoramic image will provide a reliable, reproducible radiographic report, currently unavailable, which will assist the clinician as well as improve patients’ reliance on the diagnosis. Future Research: The algorithm for automatic detection and classification of dental restorations in panoramic imaging must be trained on a larger dataset to improve the results. This algorithm will then be used as a preliminary stage for automatically detecting incidental oral pathologies exhibited in the panoramic images.
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Hong Chen and A. K. Jain. "Tooth contour extraction for matching dental radiographs." In Proceedings of the 17th International Conference on Pattern Recognition, 2004. ICPR 2004. IEEE, 2004. http://dx.doi.org/10.1109/icpr.2004.1334581.

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Abaza, Ayman, Arun Ross, and Hany Ammar. "Retrieving dental radiographs for post-mortem identification." In 2009 16th IEEE International Conference on Image Processing ICIP 2009. IEEE, 2009. http://dx.doi.org/10.1109/icip.2009.5414011.

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Amouriq, Yves, Jeanpierre Guedon, Nicolas Normand, Aurore Arlicot, Yassine Benhdech, and Pierre Weiss. "Bone texture analysis on dental radiographic images: results with several angulated radiographs on the same region of interest." In SPIE Medical Imaging, edited by John B. Weaver and Robert C. Molthen. SPIE, 2011. http://dx.doi.org/10.1117/12.878152.

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