Comparison of Condylar Inclination Attained by Interocclusal Records, Graphic Tracer and Arcus Digma II and Their Effect on Bilateral Balanced Occlusion

Document Type : Original Article

Authors

1 Assistant lecturer of Removable Prosthodontic Department, Faculty of Dental Medicine, MTI University, Cairo, Egypt.

2 Professor of Removable Prosthodontic Department, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt.

3 Assistant Professor of Removable Prosthodontic Department, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt.

4 Assistant Professor of Fixed Prosthodontic Department, Faculty of Dental Medicine, Ain shams University, Cairo, Egypt.

Abstract

Purpose: Was to compare between the interocclusal record for protrusive movement, the tracing method and the electronic face bow (Arcus Digma) for recording horizontal condylar guidance and their effects on bilateral balanced occlusion. Material and methods: Ten completely edentulous patients with an average age of 55 years old participated in this study. Each patient received upper and lower complete denture, artificial teeth were arranged according to balanced occlusion concept. The horizontal condylar angle was recorded during patient mandibular protrusion of 6mm using the following techniques; interocclusal record, tracer (quick set analyzer) and electronic face bow (Arcus Digma II). Results: The horizontal condylar guidance values of both right and left sides obtained from interocclusal record for protrusive movement, tracing method as well as electronic face bow (Arcus Digma II) showed no statistically significant differences (P>0.05) using ANOVA test (at 95% confidence interval). Arcus Digma II method recorded the centric relation at a more posterior position than other methods, However, it could not make any difference in clinical performance of the complete denture. Horizontal condylar guidance angle was approximately similar by the three techniques. Conclusion: Arcus Digma II seemed a reliable and promising method to be used in recording patient’s horizontal condylar angle as an alternative to the interocclusal and tracer methods.

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Al-Azhar Dental Journal for Girls
Volume 10, Issue 1
Issue1 January-Restorative Dentistry issue (Removable Prosthodontics, Fixed Prosthodontics, Endodontics, Dental Biomaterials, Operative Dentistry)
January 2023
Pages 19-27

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