Overextension of Complete Dentures: Causes, Symptoms, and Management
1. Introduction Overextension of a complete denture occurs when the acrylic borders (flanges) of the prosthesis extend beyond the physiological and functional limits of the oral vestibule and supporting tissues. This mechanical discrepancy leads to chronic friction, tissue displacement, and impaired retention of the denture. The primary consequence is localized mucosal trauma, which manifests as … Read more