Flattening of the Posterior Slope of the Articular Eminence of Completely Edentulous Patients Compared to Patients with Maintained Occlusion in Relation to Age Using Computed Tomography

Abdul-Nabi, Luma Abdul-Rada; Al-Nakib, Lamia H.

doi:10.12816/0015297

Cited by 2 publications

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“…found that the effect on AE was higher in longer edentulous patient resulting in higher deformation rate influencing TMJ morphology. [ 18 15 22 23 ] and Sümbüllü et al . supports that AE inclination was lower in the second decade and reached the highest value in the third decade and gradually decreasing in the old age of life.…”

Section: Discussionmentioning

confidence: 99%

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Assessing the Articular Eminence Asymmetry in Dentate, Partially Edentulous and Edentulous Patients Using Cone-Beam Ct

Hamza¹,

Shantha²,

Ashwathappa³

et al. 2021

Journal of Pharmacy and Bioallied Sciences

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Background and Objectives: The relationship between the articular eminence (AE) inclination and masticatory system in the biomechanics of temporomandibular joint (TMJ) is defined by the degree with normal values of 30°–60° obtained between the posterior wall of the AE and a horizontal reference plane. The purpose of this study was to assess the asymmetry of the AE in dentate, partially edentulous, and edentulous patients using cone-beam computed tomography (CBCT) imaging and to compare the determined asymmetry in the dentulous with partially and completely edentulous patients. Materials and Methods: CBCT images of 120 TMJ joints in sixty patients were evaluated. AE inclination and height values were traced on the central sagittal slice of right and left TMJ. The patients were grouped as dentate, partially edentulous, and edentulous with an age range of 20–80 years. Statistical analysis included student's paired and independent t -test, analysis of variance, and Tukey's post hoc test, and P < 0.05 was considered statistically significant. Results: AE inclination revealed highest value in dentate patients (60.98 ± 5.42) followed by partially edentulous (53.40 ± 7.91) and lowest in the edentulous patients (51.43 ± 3.63). P < 0.001 was statistically significant between these groups. Conclusion: The results obtained in the present study showed steep inclination of AE in dentate followed by partially edentulous and edentulous subjects. No significant differences among the age, gender, and sides were found.

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Section: Discussionmentioning

confidence: 99%

“…AE inclination is measured by BEST FIT LINE method-angle between Ebf and FH (F) plane. [ 1 6 15 16 ]…”

Section: Aterials and M Ethodsmentioning

confidence: 99%

Assessing the Articular Eminence Asymmetry in Dentate, Partially Edentulous and Edentulous Patients Using Cone-Beam Ct

Hamza¹,

Shantha²,

Ashwathappa³

et al. 2021

Journal of Pharmacy and Bioallied Sciences

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Cone-beam Computed Tomographic Evaluation of the Anatomical Changes of Temporomandibular Joint Use of Pre-post Dentures: A Time-control Study

Singh¹,

Raman

Singh³

et al. 2020

The Journal of Contemporary Dental Practice

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Aim and objective The growth of the temporomandibular joint (TMJ) gets affected by multiple factors like aging, occlusion state, and by the movement of the jaw while masticating and swallowing. Radiographic imaging is often utilized as a vital diagnostic adjunct in the evaluation of certain examinations of the TMJ. Materials and methods In this in vivo study, 30 male participants with mean age 55 years, having edentulous maxillary and mandibular arches from the Outpatient Department of Prosthodontics, were randomly selected. Group I (n = 30) patients who were edentulous for the last 4–5 years but without wearing dentures. Whereas group II (n = 30) patients who were edentulous for the last 4–5 years but were wearing dentures for this period. Maxillary and mandibular dentures were fabricated and delivered to subjects. Subjects were subjected to the TMJ analysis with the help of CBCT. Radiological images of dentomaxillofacial structures were analyzed by a specialist with a dual monitor inside a darkened silent room. On the monitor, three times measurements were recorded followed by calculation of mean value. The recordings were taken on both sides and thus, 210 sites were analyzed altogether, followed by the statistical analysis using SPSS software version 15.0. Results The mean ages of group I and II were 59.00 ± 6.74 and 58.27 ± 6.75 years, respectively. The intra- and intergroup comparisons were done using a one-sample t-test. Differences in mean intercondylar width in groups I and II were not found to be statistically significant. The difference in mean length of glenoid fossa was not statistically significant at any of the above observation periods. A continuous decline in mean length of glenoid fossa was observed with time in both groups. The range of change in articular eminence length was found to be statistically significant for both the groups (p < 0.05). Conclusion This study shows that the articular eminence flattening is correlated with age; on the other hand, the rate of deformation was found significantly more in total edentulous subjects as compared to subjects having normally maintained occlusion. The anatomical changes inside the TMJ have been much greater expressed within the completely edentulous subjects in whom the angle of sagittal condyle path declines and so does the articular eminence height. Clinical significance It is essential to provide the edentulous patient with early prosthetic and occlusal rehabilitation after extractions to prevent the anatomical changes in TMJ. How to cite this article Singh PK, Raman N, Singh VK, et al. Cone-beam Computed Tomographic Evaluation of the Anatomical Changes of Temporomandibular Joint Use of Pre-post Dentures: A Time-control Study. J Contemp Dent Pract 2020;21(12):1354–1360.

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Flattening of the Posterior Slope of the Articular Eminence of Completely Edentulous Patients Compared to Patients with Maintained Occlusion in Relation to Age Using Computed Tomography

Cited by 2 publications

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Assessing the Articular Eminence Asymmetry in Dentate, Partially Edentulous and Edentulous Patients Using Cone-Beam Ct

Assessing the Articular Eminence Asymmetry in Dentate, Partially Edentulous and Edentulous Patients Using Cone-Beam Ct

Cone-beam Computed Tomographic Evaluation of the Anatomical Changes of Temporomandibular Joint Use of Pre-post Dentures: A Time-control Study

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