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Journal articles on the topic 'Semi-adjustable articulator'

Author: Grafiati
Published: 11 September 2021
Last updated: 18 February 2022

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1

Sarraj, MohammadA, and Mohammad Sultan. "Oral rehabilitation by semi-adjustable articulator." Tanta Dental Journal 14, no. 4 (2017): 225. http://dx.doi.org/10.4103/tdj.tdj_2_17.

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2

Anusha, CV, Amith A. Singh, Babita Sangwan, M. Shilpa, and Akshata G. Kamath. "Evaluation of Two Facebow/Semi-adjustable Articulator Systems for Orienting Maxillary Cast on Articulators: A Pilot Study." Journal of Contemporary Dental Practice 17, no. 4 (2016): 327–30. http://dx.doi.org/10.5005/jp-journals-10024-1849.

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ABSTRACT Aim The present study was aimed to assess the transferability of occlusal plane (OP) orientation from the patient to the articulators with the help of two different facebow systems and evaluated with a gold standard. Materials and methods Twenty dentate patients were selected for the study. Two semi-adjustable arcon articulators that are Hanau Wide® Vue using SpringBow and Whip Mix® using quickmount facebow were used in the study. Mean angle between OP to horizontal reference plane obtained from Hanau Wide Vue articulator system (SpringBow using Orbitale as anterior reference point) and Whip Mix articulator system (quickmount facebow using nasion as anterior reference point) was tabulated. These values obtained were further compared with each other and evaluated against cephalometric evidence, which was considered as the gold standard for the study. Descriptive statistics, analysis of variance, Scheffe post hoc analysis for group comparison, and level of significance (P) was calculated using Statistical Package for the Social Sciences version 16 (IBM, New York, USA) software program. Results Intragroup comparison of mean angle OP values showed highly significant difference (p = 0.000). Comparison between Hanau Wide Vue articulator system and Whip Mix articulator system showed statistically highly significant with a mean difference of 10.51° with Hanau system values being lower than Whip Mix system. Difference between Hanau system and cephalometric values were statistically significant with a mean difference of 2.835° and Hanau system consistently recording lower values than cephalometric values. Difference between Whip Mix system and cephalometric values was also statistically significant with a mean difference of 7.680° with group 2 values were on average 7.680° higher than group 3. Conclusion Within the limitations of this study, the Hanau system and Whip Mix system showed significant difference in reproduction of angle between OP and horizontal reference plane. Hanau articulator system showed closer values to that of cephalometric values in comparison with Whip Mix articulator system. Clinical significance Orientation of the maxillary cast in an articulator is a crucial part of several techniques used in dentistry. Orientation of maxillary cast in the articulator acts as a baseline from which further steps for occlusal rehabilitation of the patients are carried out. Recording and transferring of the occlusal cant to articulators require facebow. How to cite this article Anusha CV, Singh AA, Sam G, Sangwan B, Shilpa M, Kamath AG. Evaluation of Two Facebow/Semi-adjustable Articulator Systems for Orienting Maxillary Cast on Articulators: A Pilot Study. J Contemp Dent Pract 2016;17(4):327-330
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3

Santolalla, François-Xavier, Etienne Debarre, and Philippe Hivart. "Additive Manufacturing and Dentistry: Designing a Semi-Physiological Articulator." Open Medical Devices Journal 6, no. 1 (February 19, 2018): 1–9. http://dx.doi.org/10.2174/1875181401806010001.

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Introduction: The use of second generation semi-adjustable articulators for the reproduction of the mandibular kinematic often proves to be a technical and time constraint for the dentist. Therefore, its use, however essential within the dental office, is frequently forsaken. Materials and methods: The possibility of reproducing complex anatomical forms using rapid prototyping technologies can induce a more attractive and effective use of such a modified articulator. Results & Conclusion: Indeed, these replicas substitute for mechanical adjustments and thereby make the metrology on the patient an unnecessary element, both sources of the approximation of the kinematic. The aim of this study is to report on designing and manufacturing a semi-physiological articulator and on its pertinence through the comparison of the mandibular kinematics movement reproducibility on the two types of articulator.
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4

Herdianti, Nur Cecilia, Soekobagiono Soekobagiono, and Agus Dahlan. "Complete Denture Treatment With a Flat Ridge Using Semi-adjustable Articulator." Indonesian Journal of Dental Medicine 1, no. 1 (March 31, 2018): 40. http://dx.doi.org/10.20473/ijdm.v1i1.2018.40-44.

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Background: Complete denture is a removable denture replacing all the missing teeth and tissue in the upper jaw and lower jaw. The purpose of making complete denture is to improve the function of chewing, aesthetic functions and maintaining patient's oral health. Complete edentulous ridge will causes resorption, until it become flat. A flat ridge is associated with difficulties in providing successful dentures. Purpose: This case report aims to reported the treatment of complete edentulous maxillary and mandibular with a flat ridge using semi-adjustable articulator. Case(s): A 63-year-old male patient visited the Prosthodontic Clinic of Dentistry Faculty, Airlangga University with complete edentulous maxillary and mandibular, also flat ridge in his mandibular. Case Management: This case is using semi-adjustable articulator (Stratos 300). Some accessories in Stratos 300 were used in this case, such as centric tray to help determine the height of bite, gnathometer M to help the process of functional impression and bite block, also tooth arrangement with 2D templates. Conclusion: The use of semi-adjustable articulator (Stratos 300) could restore stomatognathic function in accordance with patient’s condition.
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5

Venkateshwaran, R., Suma Karthigeyan, PS Manoharan, Jagadish Konchada, Manikandan Ramaswamy, and Bhuminathan. "A newer technique to program a semi adjustable articulator." Journal of Pharmacy and Bioallied Sciences 6, no. 5 (2014): 135. http://dx.doi.org/10.4103/0975-7406.137421.

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6

Bhandari, Arjun, Archana Manandhar, Raj Kumar Singh, Pramita Suwal, and Prakash Kumar Parajuli. "A Comparative study to measure the horizontal condylar guidance obtained by protrusive interocclusal records and panoramic radiographic images in completely edentulous patients." Journal of College of Medical Sciences-Nepal 14, no. 1 (March 30, 2018): 21–27. http://dx.doi.org/10.3126/jcmsn.v14i1.18947.

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Background & Objectives:The study was conducted with objective to compare the horizontal condylar guidance (HCG) obtained by protrusive interocclusal records and panoramic radiographic images in completely edentulous patients.Materials & Methods:The horizontal condylar guidance was measured in 25 completely edentulous patients by protrusive interocclusal records using zinc oxide eugenol paste through a face bow transfer (HanauTM Spring bow, Whip Mix Corporation, USA) to a semi-adjustable articulator (HanauTM Wide-Vue Articulator, Whip Mix Corporation, USA). In the same patients, HCG was traced in the panoramic radiograph. The angles formed by the intersection of two lines: Frankfurt’s horizontal plane and posterior slope of articular eminence was measured using protractor to represent the horizontal condylar guidance angle on each side.Results:The mean difference between the horizontal condylar guidance angles values obtained using protrusive interocclusal record and panoramic radiograph was 2.68 degrees and 3.40 degrees for the right and the left side respectively, with the panoramic radiograph values being higher. This difference between the values was found to be highly significant between the two methods for the right side (t = 2.70, p = 0.012) and left side (t = 3.69, p = 0.001). A significant positive correlation was found between the horizontal condylar guidance obtained from protrusive interocclusal record and panoramic radiograph for the right (r = 0.643, p = 0.001) and left sides (r = 0.622, p = 0.001) separately.Conclusion:The panoramic radiographic tracing can be used to calculate the mean horizontal condylar guidance in the completely edentulous patients and these values can be used to programme semi-adjustable articulators avoiding the cumbersome process of obtaining protrusive interocclusal records.
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7

Nishiyama, Kazuhiko. "A way to improve general versatility and utility of the semi-adjustable articulator A way to improve general versatility and utility of the semi-adjustable articulator." JOURNAL OF THE ACADEMY OF CLINICAL DENTISTRY 34, no. 3 (2014): 272–80. http://dx.doi.org/10.14399/jacd.34.272.

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8

O’Malley, A. M., and A. Milosevic. "Comparison of three facebow/semi-adjustable articulator systems for planning orthognathic surgery." British Journal of Oral and Maxillofacial Surgery 38, no. 3 (June 2000): 185–90. http://dx.doi.org/10.1054/bjom.1999.0182.

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9

Manvi, Supriya, Shaveta Miglani, C. L. Rajeswari, G. Srivatsa, and Sarvesh Arora. "Occlusal Plane Determination Using Custom Made Broadrick Occlusal Plane Analyser: A Case Control Study." ISRN Dentistry 2012 (February 20, 2012): 1–4. http://dx.doi.org/10.5402/2012/373870.

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Proper occlusal plane is an essential consideration when multiple long span posterior restorations are designed. The determination of the occlusal plane can have a profound effect on the short and long term success of a restorative case. Purpose of Study. (1) To determine the appropriate occlusal curve for individual patients. (2) To compare the deviation of the clinical occlusal curve with the ideal ones. Materials and Methods. A total of 20 subjects were examined and study models were made of their maxillary and mandibular dentition. Inter-occlusal records were made and the casts were articulated in semiadjustable articulator. An ideal occlusal plane was created. The distance of the farthest cusp tip from the Broadrick curve was measured along the long axis of the tooth for each individual. Paired t-tests were used to compare the findings between subjects and controls. Results. A statistically significant difference P<0.05 was found in the deviation from the Broadrick curve between patients who have lost posterior teeth and the control group who had a full dentition with no missing teeth. Conclusion. Proper utilization of the broadrick flag on a semi-adjustable articulator will allow for a correct determination of the occlusal plane.
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10

Nazir, Nazia, M. Sujesh, P. Sreenivas, and Ravi Kumar. "Accuracy of two face-bow/semi-adjustable articulator systems in transferring the maxillary occlusal cant." Indian Journal of Dental Research 23, no. 4 (2012): 437. http://dx.doi.org/10.4103/0970-9290.104945.

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11

Marchiori, Érica Cristina, Robson Rodrigues Garcia, and Roger William Fernandes Moreira. "Importance of occlusal plane reproduction on the semi-adjustable articulator in planning maxillary impactions for orthognathic surgery." Oral and Maxillofacial Surgery 17, no. 2 (August 7, 2012): 109–14. http://dx.doi.org/10.1007/s10006-012-0353-6.

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12

CARO, A. J., M. PERAIRE, J. MARTINEZ-GOMIS, J. M. ANGLADA, and J. SAMSO. "Reproducibility of lateral excursive tooth contact in a semi-adjustable articulator depending on the type of lateral guidance." Journal of Oral Rehabilitation 32, no. 3 (March 2005): 174–79. http://dx.doi.org/10.1111/j.1365-2842.2004.01287.x.

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13

Corrêa, Ianca Zany Nunes, Erika Akiko Moura Shiota, Ely Moacyr De Souza Portela, Gabriel Garcia Bardales, Francisco Pantoja Braga, and Cristiane Maria Brasil Leal. "Tratamento reabilitador com prótese total imediata maxilar e prótese parcial removível mandibular." Prosthesis and Esthetics in Science 9, no. 35 (2020): 32–39. http://dx.doi.org/10.24077/2020;935:3239.

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Immediate complete denture (ICD) is a mucosa-supported prosthesis manufactured before the removal of natural teeth and installed soon after their extraction. This paper aims to describe a clinical case of oral rehabilitation with upper ICD and lower removable partial denture (RPD). A 57-year-old female patient sought treatment with dissatisfaction with her aesthetics and mobility of the upper teeth. After anamnesis, intra and extra-oral examinations, radiographic examination and analysis of study models mounted on a semi-adjustable articulator, periodontal pockets were found in the upper teeth and extensive bone loss. So, upper tooth extraction, superior ICD and lower RPD were indicated as treatment. For ICD preparation, anatomical and functional moldings were made, made up of orientation and intermaxillary relationship plans for the assembly of the semi-djustable articulator models. The remaining upper teeth were removed from the model for assembly of the artificial teeth and the ICD was polymerized and polished. The lower RPD was made following the standard steps. After dentures manufacturing, the surgery for upper tooth extraction was performed and prostheses installed immediately after surgery. The results demonstrated that the performed treatment provided aesthetic, phonetic, and functional restoration to the patient avoiding her to undergo a period of edentulism. It was concluded that ICD is a good indication for prosthetic rehabilitation of patients with advanced periodontitis, whose planning is the exodontia of all the teeth of an arch.
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Matsumoto, Naoyuki, Fumiaki Kawano, Atsushi Kawamura, Kan Nagao, and Kenji Hiranuma. "A guideline for incisal table adjustement of semi-adjustable articulator LL-85R. Part 2. The adjustment of incisal table." Nihon Hotetsu Shika Gakkai Zasshi 35, no. 1 (1991): 51–57. http://dx.doi.org/10.2186/jjps.35.51.

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15

Nooji, Deviprasad, and SureshMC Sajjan. "The third point of reference and its effect on the protrusive condylar guidance angles obtained in semi-adjustable articulator." Journal of Indian Prosthodontic Society 8, no. 2 (2008): 71. http://dx.doi.org/10.4103/0972-4052.43589.

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16

Dudani, Mohit T., and Amit D. Hindocha. "Correction of Deviation of a Partially Resected Mandible Using a Palatal Ramp with the Aid of a Semi-Adjustable Articulator." Journal of Prosthodontics 24, no. 1 (June 17, 2014): 87–91. http://dx.doi.org/10.1111/jopr.12173.

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17

Janosi, Kinga Mária, Aurița Albu, Adriana Crăciun, and Diana Cerghizan. "Rehabilitation of the frontal teeth with palatal veneers by using T-Scan occlusal analysis - case report." Acta Stomatologica Marisiensis Journal 3, no. 1 (June 1, 2020): 282–88. http://dx.doi.org/10.2478/asmj-2020-0006.

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AbstractPathological tooth wear occurs in young patients. The rehabilitation of these teeth must be performed accurately, considering the occlusal relationships and the correct distribution of the masticatory forces. The therapeutic approach must be as minimally invasive as possible.In this case presentation, six palatal veneers were realized for the aesthetic and functional rehabilitation of a young patient’s upper frontal teeth. The restorations were made on refractory casts, from feldspathic ceramics, allowing a proper esthetic. The occlusal rehabilitation involves the mounting of the casts in a semi-adjustable articulator. The six veneers were adapted functionally by using the Bio-Art A7 Plus articulator. Due to the adhesive techniques and the existing interocclusal space at this level, the teeth’s preparation was limited to the enamel. The deep chamfer was placed equigingivally. During the try-in of the restorations, the esthetic evaluation was done. The adhesive technique was used to bond the veneers to the tooth surfaces. After the cementation, the esthetical results were evaluated. During the prosthodontic treatment, T-Scan III digital analysis was performed to detect occlusal problems, to establish the treatment directions, and to evaluate the results.Conclusions: The use of the adhesively bonded feldspathic palatal veneers allows a successful esthetic and functional rehabilitation. The digital occlusal analysis, realized using the T-Scan system, improves the prosthodontic treatment quality and durability.
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18

Shetty, Naresh, Sanath Shetty, Hasan Sarfaraz, Syed Ghouse Ahmed, and Fahad Mohammad. "Influence of Anterior Guidance on the Inclination of Horizontal Condylar Guidance in Dentulous Subjects - A Clinical Study." Journal of Evolution of Medical and Dental Sciences 10, no. 28 (July 12, 2021): 2072–77. http://dx.doi.org/10.14260/jemds/2021/424.

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BACKGROUND One of the most widely used methods to record horizontal condylar guidance is the use of protrusive interocclusal records. Therefore, this study was done to evaluate the reliability of protrusive interocclusal record with and without the influence of anterior determinant on horizontal condylar guidance among dentulous patients. METHODS Diagnostic impressions of 21 participants were made and casts were poured. Facebow record were obtained and transferred to semi-adjustable articulator. Protrusive interocclusal records were made using Alu-wax. In group 1, protrusive interocclusal records were obtained at incisal edge to edge position (conventional method). In group 2, 3 and 4 protrusive interocclusal records were obtained at a distance of 4 mm, 6 mm and at incisal edge to edge position respectively using a customized flat anterior jig. Programming of the Hanau articulator were done for all the 4 groups. One-way ANOVA test and Pearson’s correlation tests were done to compare and correlate horizontal condylar guidance. RESULTS The mean values obtained for flat anterior jig at incisal edge to edge position, at 4 mm and 6 mm provided good Pearson correlation values for the right (R = 0.773, R = 0.779, R = 0.632) as well as the left side (R = 0.631, R = 0.601, R = 0.545) respectively, on comparison with the conventional incisal edge to edge values. This indicated a positive correlation which was statistically significant. CONCLUSIONS The horizontal condylar guidance is influenced by anterior determinant. Therefore, the reliability of protrusive records is dependent on eliminating the influence of anterior determinant. KEY WORDS Horizontal Condylar Guidance, Anterior Determinant, Protrusive Interocclusal Records
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Lopes, Michelle Cristina, Rafael Leonardo Xediek Consani, Marcelo Ferraz Mesquita, Mário Alexandre Coelho Sinhoreti, and Simonides Consani. "Effect of monomer content in the monomer-polymer ratio on complete denture teeth displacement." Brazilian Dental Journal 22, no. 3 (2011): 238–44. http://dx.doi.org/10.1590/s0103-64402011000300010.

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The purpose of the study was to verify the linear displacement of teeth in maxillary complete dentures influenced by different monomer-polymer ratios - according to the manufacturer's instructions, with 25% excess or 25% less monomer content - in the conventional and microwaved polymerization techniques. Wax base plates and wax planes were made on edentulous maxillary stone casts according to traditional method. The set was assembled in semi-adjustable articulator with a lower toothed stone cast as guide to mounting of the maxillary artificial teeth. Impressions were taken from this tooth arrangement with silicone and the mold was used to standardize the mounting of the teeth of all dentures. Referential points were made on the artificial teeth for linear measurements with optical microscope before processing of the dentures and after deflasking. Denture bases were conventionally packed with acrylic resin according to the monomer-polymer ratio protocol. Tooth displacement data were submitted to ANOVA and Tukey test (α=0.05). There were no statistically significant differences (p>0.05) between the group with monomer content recommended by the manufacturer and groups with 25% more and 25% less monomer, in both conventional and microwaved polymerizations. Excess or less monomer in the monomer-polymer ratio and polymerization types did not change the linear distance between teeth.
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20

Kawano, Fumiaki, Shinji Morimoto, Nozomu Tada, Naoyuki Matsumoto, and Kenji Hiranuma. "A guideline for incisal table adjustment of semi-adjustable articulator LL-85R. Part 1. The influence of the inclination of guide plane on movement path of upper first molar." Nihon Hotetsu Shika Gakkai Zasshi 35, no. 1 (1991): 44–50. http://dx.doi.org/10.2186/jjps.35.44.

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21

Lee, Ye-Chan, Chunui Lee, June-Sung Shim, Ji-Man Park, Yooseok Shin, Jong-Eun Kim, and Keun-Woo Lee. "Comparison between Occlusal Errors of Single Posterior Crowns Adjusted Using Patient Specific Motion or Conventional Methods." Applied Sciences 10, no. 24 (December 21, 2020): 9140. http://dx.doi.org/10.3390/app10249140.

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Recently, digital technology has been used in dentistry to enhance accuracy and to reduce operative time. Due to advances in digital technology, the integration of individual mandibular motion into the mapping of the occlusal surface is being attempted. The Patient Specific Motion (PSM) is one such method. However, it is not clear whether the occlusal design that is adjusted using PSM could clinically show reduced occlusal error compared to conventional methods based on static occlusion. In this clinical comparative study including fifteen patients with a single posterior zirconia crown treatment, the occlusal surface after a clinical adjustment was compared to no adjustment (NA; design based on static occlusion), PSM (adjusted using PSM), and adjustment using a semi-adjustable articulator (SA) for the assessment of occlusal error. The root mean square (RMS; μm), average deviation value (±AVG; μm), and proportion inside the tolerance (in Tol; %) were calculated using the entire, subdivided occlusal surface and the out of tolerance area. Using a one-way ANOVA, the RMS and +AVG from the out of tolerance area showed a statistical difference between PSM (202.3 ± 39.8 for RMS, 173.1 ± 31.3 for +AVG) and NA (257.0 ± 73.9 for RMS, 210.9 ± 48.6 for +AVG). For the entire and subdivided occlusal surfaces, there were no significant differences. In the color-coded map analysis, PSM demonstrated a reduced occlusal error compared to NA. In conclusion, adjustment occlusal design using PSM is a simple and effective method for reducing occlusal errors that are difficult to identify in a current computer-aided design (CAD) workflow with static occlusion.
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22

De Oliveira, Matheus Lincoln Souza, Erika Akiko Moura Shiota, Ely Moacyr de Souza Portela, Larissa Pereira do Nascimento, and Cristiane Maria Brasil Leal. "Restabelecimento das relações intermaxilares por meio de prótese total convencional." Full Dentistry in Science 12, no. 45 (2020): 104–12. http://dx.doi.org/10.24077/2020;1245-104112.

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The intermaxillary relations refer to the position of the mandible in relation to the maxilla in the vertical and horizontal planes, being the occlusion vertical dimension (OVD) and the centric relation (CR) essential in the treatment with complete dentures. This article reports a case of reestablishing intermaxillary relations with conventional complete dentures (CCD).A 82-year-old male patient sought care to replace his complete dentures due to dissatisfaction with the aesthetics and chewing function. After anamnesis and extra and intraoral exams, it was found that the current complete dentures showed large wear of the teeth, causing decreased OVD, aesthetic, and masticatory damage. The edges had satisfactory conditions for CCD rehabilitation. From the anatomical impressions of edges were obtained study models for making individual trays, later used for functional impression and obtaining the working models, on which were made wax plans. After adjustment of the upper wax plane and registration of the facial arch, the upper model was mounted on the semi-adjustable articulator. For the determination of the OVD, metric, physiological, aesthetic, and phonetic methods were used, and for the determination of CR, manipulation and physiological methods were used. The inferior model was assembled after determination of intermaxillary relations. Teeth were selected and mounted. In the aesthetic and functional testing of the teeth, occlusion, OVD, and esthetics were restored. The dentures were polymerized and installed. In proservations, the patient reported improvement in chewing, aesthetics, and phonetic. It was concluded that the reestablishment of intermaxillary relations contributed to aesthetic, masticatory, and phonetic rehabilitation.
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da Silva, Vanessa Malcher, Franklin Barbosa da Silva, Derlyn Henrique Reis Andrade, Felipe Muniz Aguiar, and Francisco Pantoja Braga. "Reabilitação protética após fratura dento-alveolar extensa – relato de caso." Full Dentistry in Science 12, no. 45 (2020): 83–90. http://dx.doi.org/10.24077/2020;1245-8390.

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Bucco-sinus communications are common incidences and may be associated with posterior superior tooth extraction. In large maxillary losses, repairing prostheses have a categorical or essential indication. Thus, the objective of this study is to report a clinical case of prosthetic rehabilitation using a removable partial denture (RPD) due to absence of teeth in the posterior maxilla region resulting from a dento-alveolar fracture as consequence of traumatic injury. A 21-year-old male patient attended the dental clinic at Nilton Lins University, reporting masticatory failure, discomfort and sensitivity when eating cold foods in the right upper molars region. After clinical and radiographic examination, it was observed that in addition to the absence of teeth 16, 17 and 18, there was an extensive bone loss in the right posterior hemiarch, with surgically sealed bucosinusal communication. As treatment plan, rehabilitation using a removable partial prosthesis modified and adapted to the acquired defect was proposed. In the consultations, the stages of study model manufacturing, assemble in a semi-adjustable articulator and delineation. The modification of the metallic frame consisted of a larger connector, like a wide palatal plate 10 mm long without relief on the palate, complemented by indirect twinned clamps and direct “T” type on tooth 15. The case was concluded with the steps of metal frame test, teeth assembly, teeth testing, acrylization and installation. The rehabilitation treatment by means of restorative PPR was satisfactory, as it was observed that after its installation, the patient showed extreme satisfaction with the result obtained, with an explicit improvement in chewing and swallowing.
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Nagao, Kan, Fumiaki Kawano, and Naoyuki Matsumoto. "A Basic Study on Pressure Distribution of Supporting Structures under a Complete Denture. Part 2. The Influence of the Inclination of Incisal Guide Plate of Semi-adjustable Articulator on Pressure Distribution." Nihon Hotetsu Shika Gakkai Zasshi 38, no. 5 (1994): 1025–35. http://dx.doi.org/10.2186/jjps.38.1025.

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Das, Gotam, Khezran Qamar, Muhammad Haseeb Rana, Shabir Ahmed, Zaheer Hussain Chachar, and Kinza Mushtaque. "Oral health related quality of life by means of functional changes in Geriatric Oral Health Assessment Index (GOHAI) before and after insertion of new conventional complete dentures in completely edentulous patients." Professional Medical Journal 26, no. 12 (December 10, 2019): 2085–89. http://dx.doi.org/10.29309/tpmj/2019.26.12.3128.

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The oral health-related quality of life determines the quantity to which oral health disrupts the regular life and common functioning of an individual. To evaluate the oral health problems of older adults, Geriatric Oral Health Assessment Index (GOHAI) can be used. GOHAI was developed by Atchinson and Dolan3 before and after complete denture therapy”. Study Design: Cross sectional study. Setting: Department of Prosthodontics, Lahore Medical and Dental College, Lahore. Period: February 18, 2018 to August 17, 2018. Material & Methods: Patients will be selected for the study according to the criteria. Patient history and clinical examination was undertaken. Upper and lower complete dentures was made-up for 30 patients (both male and female) using standardized clinical and laboratory methods. Conventional procedures were applied to complete denture construction. Complete dentures were constructed in the similar dental laboratory within the institution by compression moulding method. Laboratory and clinical remount procedures, beside with occlusal corrections were carried out using a semi-adjustable articulator. The GOHAI questionnaire was completed on two different appointments. First questionnaire was documented before denture insertion and second questionnaire was recorded after complete denture insertion. Results: Before treatment mean GOHAI score was 20.46 ± 2.85 and after treatment mean GOHAI score was improved and was 26.32 ± 2.34. The mean GOHAI score was statistically improved p-value < 0.001. For male patients, before treatment mean GOHAI score was 21.61 ± 2.59 and after treatment mean GOHAI score was improved and was 26.31±2.14. The mean GOHAI score was statistically improved in male patient, p-value < 0.001. For female, before treatment mean GOHAI score was 19.34 ± 2.70 and after treatment mean GOHAI score was improved and was 26.44 ± 2.49. The mean GOHAI score was statistically improved in female patients, p-value < 0.001. Conclusion: According to patient’s information enhancement in functional changes after placement of complete dentures.
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Hegde, Chetan, Swapnil Mahade, and Krishna Prasad D. "A Study to Evaluate and Compare Right and Left Condylar Discrepancy between Centric Relation and Maximum Intercuspation in Three Age Groups." International Journal of Medical and Dental Sciences 5, no. 1 (January 16, 2016): 984. http://dx.doi.org/10.19056/ijmdsjssmes/2016/v5i1/83540.

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<strong><em>Background</em>:</strong>Since discrepancy between centric relation and maximum intercuspation has been an area of interest for dental fraternity for decades, the study was conducted to expand the concepts of the same when age is taken into consideration.<p><strong>Objective:</strong> This study was conducted to assess and measure the discrepancy between centric relation (CR) and maximum intercuspation (MI) at right and left condyles in three age groups, compare the discrepancy at right and left condyles between three age groups and right and left side condyles within the same age group.</p><p><strong>Methods:</strong> Sixty healthy subjects were selected and divided into three groups of twenty subjects each. Group I: 18-25 years, Group II: 30-45 years and Group III: more than fifty years. Preliminary impressions were made. Orientation relation was transferred to a semi-adjustable arcon articulator. Subjects were guided into centric relation using Dawson's bimanual manipulation technique and centric interocclusal record was made. The mandibular cast was related to the maxillary cast using centric interocclusal record. The casts were then allowed to fall into maximum intercuspation and the distance that the condylar analogues had moved was measured using Feeler gauge.</p><p><strong><em>Results:</em></strong> The mean CR-MI discrepancy in Group I was 0.417±0.137 mm and 0.364±0.123 mm, Group II was 0.528±0.160 mm and 0.512±0.158 mm and Group III was 0.873±0.228 mm and 0.815±0.172 mm at the right and left condyles respectively.</p><p><strong><em>Conclusion:</em></strong> Within the limitations of the study it was concluded that all the sixty subjects had a CR-MI discrepancy in both left and right condyles. The variation in discrepancy between the three age groups was found to be very highly significant.</p>
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Matsumoto, Naoyuki, Tetsuo Ichikawa, Fmiaki Kawano, Kohji Iwawaki, Tagui Katoh, and Ichiro Tsutsumi. "Studies on reproduction of condylar path by means of articulators Part 1. Semi-adjustable articulators." Nihon Hotetsu Shika Gakkai Zasshi 29, no. 3 (1985): 527–35. http://dx.doi.org/10.2186/jjps.29.527.

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28

Abdelkareem, Mohamed AA, Mostafa M. Makrahy, Ali M. Abd-El-Tawwab, ASA EL-Razaz, Mohamed Kamal Ahmed Ali, and MM Moheyeldein. "An analytical study of the performance indices of articulated truck semi-trailer during three different cases to improve the driver comfort." Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics 232, no. 1 (May 22, 2017): 84–102. http://dx.doi.org/10.1177/1464419317709895.

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Heavy trucks are mostly used for international transportations, with longer highways and long driving hours contributing to corresponding increases in the driver’s fatigue that is related to accidents. Therefore, this study aims to improve the truck ride performance using multistage leaf springs and semi-active suspension for the driver seat. This analytical study describes the influence of the truck main suspensions on the performance indices analytically using MATLAB Simulink for different loading conditions in three case studies: fully laden articulated truck (case A), unladen truck (case B), and empty semi-trailer and a multistage leaf springs is considered after designing the main leaf spring stiffness based on particle swarm optimization (case C). This study exhibits a contribution based on the fact that changing the trailer cargo weight has considerable effects on the natural frequency of the vibration modes of the vehicle system, particularly for articulated carriage. Subsequently, the influence of the dynamic interaction of an articulated vehicle between the semitrailer and the tractor on its ride behavior has been investigated. The model has also predicted the effect of total trailer cargo on performance indices for 13 degrees of freedom model of a 6-axle articulated truck semi-trailer vehicle with a random road excitation. Additionally, a semi-active driver seat suspension based on skyhook strategy and seat passive suspension are compared in terms of the power spectral density and root mean square values. The results showed that the truck ride performance is improved significantly, and all the acceleration responses are suppressed dramatically when a designed multistage leaf spring suspension is considered in case C. The current analysis demonstrated that using specific and adjustable suspension parameters can positively enhance the riding behavior of the unladen vehicle. The results showed that the cab, tractor, and trailer acceleration improved by 22%, 21%, and 28%, respectively, which provides a comfort driving trip essentially for long distance traveling.
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Gross, Nemcovsky, Ibian, and Gazit. "The effect of three different recording materials on the reproducibility of condylar guidance registrations in three semi‐adjustable articulators." Journal of Oral Rehabilitation 25, no. 3 (March 1998): 204–8. http://dx.doi.org/10.1046/j.1365-2842.1998.00225.x.

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30

Hangai, Katsuomi, Kumiko Aridome, Chau-Hsiang Wang, and Yoshimasa Igarashi. "Clinical Evaluation of Semi-Adjustable Articulators: Reproducibility of Sagittal Condylar Path Inclination Assessed by a Jaw-Tracking System with Six Degrees of Freedom." Nihon Hotetsu Shika Gakkai Zasshi 52, no. 3 (2008): 360–65. http://dx.doi.org/10.2186/jjps.52.360.

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31

Buduru, Smaranda, Emilia Finta, Oana Almasan, Mirela Fluerasu, Manuela Manziuc, Simona Iacob, Cristian Culcitchi, and Marius Negucioiu. "Clinical occlusion analysis versus semi-adjustable articulator and virtual articulator occlusion analysis." Medicine and Pharmacy Reports, May 29, 2020. http://dx.doi.org/10.15386/mpr-1595.

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Background and aims. Identifying the optimal method for occlusion analysis by comparing examination sensitivity of the static and dynamic occlusion using three systems: clinical occlusion analysis, semi-adjustable articulator and virtual articulator (3Shape, Denmark) occlusion analysis. Methods. The occlusion analysis of sixteen patients was performed using the three systems. In order to analyze the number of concordant and discordant points and trajectories, the clinical method was compared to the semi-adjustable articulator and to the computerized method. Results. The greatest correspondence was obtained by comparing the clinical and the articulator methods, having a success rate of 85.25%, versus the clinical and the computerized method with a success rate of 73.25%. The propulsion registered the highest discrepancies: 35% in case of the semi-adjustable articulator comparison and 62% in case of the virtual articulator comparison. Conclusions. The semi-adjustable articulator was superior in static and dynamic occlusion analysis compared to the virtual articulator. The analysis of the dynamic occlusion is the most problematic due to its dependency on the individual anatomy of the glenoid fossa which cannot be exactly reproduced by any articulator.
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"Evaluation Of Arc Of Closure Using Arbitary Ear Piece Face Bow And Semi- Adjustable Articulator An Invivo Study." International journal of Nursing Didactics 5, no. 5 (May 28, 2015). http://dx.doi.org/10.15520/ijnd.2015.vol5.iss05.91.07-11.

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33

Sabu, Aju, Sanath Shetty, and KKamalakanth Shenoy. "Evaluation of accuracy of transfer of the maxillary occlusal cant of two articulators using two facebow/semi-adjustable articulator systems: An in vivo study." Journal of Indian Prosthodontic Society, 2016, 0. http://dx.doi.org/10.4103/0972-4052.176525.

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34

GOYATÁ, Frederico dos Reis, Luis Henrique Garcia MARQUES, Amália MORENO, Ivan Doche BARREIROS, João Batista NOVAES JÚNIOR, and Sávio Morato de Lacerda GONTIJO. "Anterior rehabilitation involving dental bleaching, frenectomy and composite resin: a case report." RGO - Revista Gaúcha de Odontologia 68 (2020). http://dx.doi.org/10.1590/1981-863720200003220190015.

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ABSTRACT This clinical report describes the treatment of a patient dissatisfied with the esthetics of the smile due to the presence of narrow teeth, yellow and the presence of diastema between teeth 11 and 21. Clinical examination revealed absence of the disocclusion guides. The treatment plan consisted in obtaining study casts, assembly in a semi-adjustable articulator and diagnostic waxing, to evaluate the possibilities of a restorative treatment. After the approved the viability of the procedure, dental bleaching was started in-office with 38% hydrogen peroxide associated with at-home bleaching with 15% carbamide peroxide, in order to reduce the yellowing of the teeth. Afterwards, the functional evaluation of the restorative procedure was carried out through the prior preparation of the mock-up. After functional approval of the mock-up, lip frenectomy was performed, since the frenulum is the cause of the diastema between the teeth 11 and 21. After 4 weeks was carried out the restorative procedure of teeth 13 to 23, with direct composite resin, improving the aesthetics of the smile and restoring the disocclusion guides.
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35

Patil, Rahul, and Omkar Shetty. "Full Mouth Rehabilitation Performed Using Customized Broadrick’s Flag to Restore Mandibular Posterior Teeth-A Case Report." Clinical Dentistry, January 28, 2019, 24–28. http://dx.doi.org/10.33882/clinicaldent.13.24251.

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Full mouth rehab is an extremely challenging procedure. It needs proper planning and thorough knowledge about the steps involved in the procedure. The patient’s occlusal plane has to be restored in harmony with the tmj and the prosthesis which is to be fabricated. An instrument called the “Occlusal plane analyzer” is used to assist the Prosthodontist in the development of an initial mandibular occlusal plane that is commensurate with the curve of Spee when posterior restorations are designed in diagnostic casts and later as an integral of definitive restorations as well as guidelines for the actual tooth preparations. After complete examination of the reported case, it was planned for full mouth rehabilitation. Pankeymann philosophy was planned to be used for rehabilitation. Bopa being one of the important steps as per the philosophy for restoration of mandibular posterior teeth, it was discussed in detail. The article demonstrates the making and use of a custom made broad rickocclusal plane analyser (bopa) on a semi adjustable articulator to determine the correct orientation of the occlusal plane. Key Words – clear acrylic guide, anterior survey point (A.S.P), posterior survey point (P.S.P), central survey point (C.S.P).
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36

"Awareness on the use of semi adjustable articulators in undergraduates - a survey." International Journal of Pharmaceutical Research 12, sp2 (November 2, 2020). http://dx.doi.org/10.31838/ijpr/2020.sp2.385.

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37

Jun, Seungkook, Xiaobo Zhou, Daniel K. Ramsey, and Venkat N. Krovi. "Smart Knee Brace Design With Parallel Coupled Compliant Plate Mechanism and Pennate Elastic Band Spring." Journal of Mechanisms and Robotics 7, no. 4 (November 1, 2015). http://dx.doi.org/10.1115/1.4030653.

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Recent research on exoskeletons and braces has examined the ways of improving flexibility, wearability or overall weight-reduction. Part of the challenge arises from the significant loading requirements, while the other part comes from the inflexibilities associated with traditional (rigid link-moving joint) system architectures. Compliant mechanisms offer a class of articulated multibody systems that allow creation of lightweight yet adjustable-stiffness solutions for exoskeletons and braces, which we study further. In particular, we will introduce the parallel coupled compliant plate (PCCP) mechanism and pennate elastic band (PEB) spring architecture as potential candidates for brace development. PCCP/PEB system provides adjustable passive flexibility and selective stiffness to the user with respect to posture of knee joint, without need for mediation by active devices and even active sensors. In addition to the passive mode of operation of the PCCP/PEB system, a semi-active design variant is also explored. In this semi-active design, structural stiffness reconfigurability is exploited to allow for changes of preload of the PEB spring to provide force and torque customization capability. The systematic study of both aspects (passive and semi-active) upon the performance of PCCP/PEB system is verified by a lightweight 3D printed physical brace prototype within a ground-truth (optical motion tracking and six degrees-of-freedom (6DOF) force transducer) measurement framework.
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Shetty, Naresh, Ganaraj Shetty, and Manoj Shetty. "Axiograph and the Panoramic Radiographic Imaging Technique, an Alternative to Conventional Technique to Record Condylar Guidance." JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH, 2021. http://dx.doi.org/10.7860/jcdr/2021/46681.14817.

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Introduction: The documentation of the maxillomandibular relationship and the recording values of condylar guidance is the most critical, yet essential step in fabrication of complete denture prosthesis and it also helps in diagnosing, treatment planning, and fabrication of the balanced complete denture prosthesis that aids in enhancing the aesthetics, and maintenance of the stomatognathic system. Various techniques are available to record the condylar guidance; One of them being axiographic technique and panoramic radiograph followed by programming the semi adjustable articulators. Aim: The aim of the present study was to evaluate and compare the condylar guidance using the conventional technique the gothic arch tracing with that of axiographic technique and the panoramic radiographs. Materials and Methods: The observational study with the clinical set up was carried out over a period between October 2018- March 2019. Twenty completely edentulous patients were selected for the study. The comparative evaluation of axiographic tracing technique, panoramic radiographic technique and the extraoral gothic arch tracing technique was conducted. The horizontal condylar guidance values obtained with these techniques were assessed. The data obtained was statistically analysed using Karl Pearson correlation test to determine the correlation between the values obtained from all the three techniques on the right side and the left side of the subjects. Paired t-test and Bonferroni Post-Hoc test were used to compare the extraoral gothic arch tracing values and Orthopantomogram values and axiographic tracing values on right side and left side of the subjects. Results: A statistically significant correlation was observed between the extraoral Gothic arch tracing technique and the panoramic radiographic technique on right (r=0.047, p-value 0.04) and left sides (r=0.55, p-value 0.01) of the subjects. The axiographic tracing showed lower values when compared with gothic arch tracing technique and the panoramic radiographic technique. (95%CI of difference was -0.49 lower). Significant differences were obtained on comparison between all three techniques on right (p-value<0.001) and left sides.(p-value 0.008). On pairwise comparison of right sides between Extraoral gothic arch Tracing and Axiographic tracing (p-value<0.001) and between axiographic tracing and Orthopantomographic tracing (p-value<0.001), were significant, while pairwise comparison on left side between Orthopantomogram and Axiographic tracings (p-value 0.01) was significant. Conclusion: The panoramic radiographic images can be used as an alternative method to that of conventional gothic arch tracing technique to obtain the condylar guidance values. The values obtained using axiographic tracings method was comparatively lower. Thus, the values obtained from axiographic technique should be used with caution or the values needs to be compared to gold standard techniques to further analyse the accuracy of the values that can be used as a valuable aid in setting the condylar guidance in semi-adjustable articulators.
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Zuluaga López, Oscar Hernán. "Evaluación funcional de las restauraciones protésicas fijas. Reporte de serie de casos / Functional Evaluation of Fixed Prosthetic Restorations. Case Series Report." Universitas Odontologica 35, no. 75 (January 6, 2017). http://dx.doi.org/10.11144/javeriana.uo35-75.efrt.

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RESUMEN. Antecedentes: Innumerables complicaciones hacen que una prótesis parcial fija (PPF) o corona individual fracasen. Por tal razón, se requiere evaluarlas permanentemente, principalmente en los ámbitos donde se forman los profesionales en odontología. Objetivo: Evaluar biológica, mecánica y funcionalmente las PPF colocadas en un servicio odontológico de pregrado en Manizales, Colombia. Métodos: Este estudio descriptivo evaluó 44 prótesis fijas realizadas en 23 pacientes. Los antecedentes se tomaron de la historia clínica. Se valoraron criterios clínicos biológicos, mecánicos y funcionales a través de montajes en un articulador semiajustable. Se realizó una clasificación protésica como tratamientos exitosos, tratamientos con complicaciones reversibles y con complicaciones irreversibles. Resultados: 36 prótesis cumplieron parámetros de supervivencia protésica, entre los cuales complicaciones reversibles relacionadas con alteraciones de los tejidos periodontales y alteración de los contactos interoclusales se identificaron en 20 prótesis. 8 prótesis presentaban complicaciones irreversibles afectadas por severos problemas periodontales y desadaptaciones marginales. No se observaron alteraciones pulpares y ni fracturas dentales o protésicas. Conclusión: La mayoría de las PPF (81,8 %) mostraron parámetros de supervivencia protésica con algunas complicaciones reversibles. Entre los factores identificados que se deben enfatizar en la formación de los estudiantes de odontología al hacer prótesis están el compromiso del paciente con el tratamiento, la higiene oral y el mantenimiento clínico. Ellos son necesarios para garantizar la longevidad de las restauraciones, teniendo en cuenta que el riesgo de complicaciones se incrementa con el tiempo.ABSTRACT. Background: Innumerable complications may cause a fixed partial prosthesis (FPP) or single crown to fail. Therefore, it is important following up them, particularly in those spaces where dental professionals are trained. Purpose: To conduct a biological, mechanical, and functional evaluation of FPPs cemented at a predoctoral dental clinic in Manizales, Colombia. Methods: This descriptive study evaluated 44 FPPs made in 23 patients. Medical information was obtained from patients’ clinical records. Biological, mechanical, and functional criteria were evaluated through analysis of mounted models in semi-adjustable articulators. Decision criteria were: successful treatments, treatments with reversible complications, and treatments with irreversible complications. Results: 36 prostheses met prosthetic survival parameters of which 20 presented reversible complications consisting of alterations of periodontal tissues and interocclusal contacts. 8 prostheses showed irreversible complications, which were caused by severe periodontal problems and marginal discrepancies. Neither pulpal alterations nor dental or prosthetic fractures were observed. Conclusion: Most FPP (81.8 %) met prosthetic survival parameters with some reversible complications. Factors identified that should be emphasized while training dental students in fixed prosthodontics include: patient compliance with treatment recommendation, dental hygiene, and maintenance follow-ups. They are necessary to guarantee lasting results if considering that risk of complications increases with time.
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