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ORIGINAL ARTICLE
Year : 2021  |  Volume : 13  |  Issue : 5  |  Page : 667-671

Assessing the articular eminence asymmetry in dentate, partially edentulous and edentulous patients using cone-beam ct


1 Department of Oral Medicine and Radiology, V S Dental College and Hospital, Bengaluru, Karnataka, India
2 Department of Periodontics, M R Ambedkar Dental College and Hospital, Bengaluru, Karnataka, India
3 Department of Oral and Maxillofacial Surgery, Raja Rajeshwari Dental College and Hospital, Bengaluru, Karnataka, India

Correspondence Address:
Mushtaq Kose Hamza
Nalvathoklu Post, Virajpet, S Kodagu, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jpbs.JPBS_685_20

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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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