Abstract
The aim of the Study: is to discuss the role of occlusal interferences on angular condylar inclinationin patients with TMJ internal derangement. And to demonstrated that the digital guiding of theselective digital occlusal adjustment (enameloplasty) are more accurate and time saving.Materials and Methods: Eighty-four patients with full dentition and angle class I diagnosedwith DC/TMD criteria, teeth contact registered digitally by using T-Scan NOVUS device, CadiaxCompact II axiographic device was used to control the Sagittal Condylar Inclination (SCI) andBennett angle (BA) before and after occlusal interventions (occlusal adjustment and occlusalsplint).Results: Eighty-four patients (76.2% females: 23.8% male) were participated in this studywith age range (19-45 years old), highly prevalence of occlusal interferences was reported. Nosignificant differences in (SCI) before and after occlusal interventions, Bennett angle demonstrateda significant difference before and after occlusal interventions.Conclusion: The Transverse Condyle Inclination (Bennett angle) highly influenced by the occludingteeth. Enameloplasty that had been done in this study showed significant effects on Bennett angle.Therefore, any full mouth rehabilitation should be carefully evaluated to avoid abnormal condylarinclination and result in abnormal joint structures relationship.
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