Overextension of Removable Partial Dentures: Clinical Implications and Correction
1. Introduction Overextension in a removable partial denture (RPD) occurs when the acrylic resin flanges or the metal framework of the prosthesis extends beyond the physiological boundaries of the mucogingival junction, muscle attachments, or functional vestibular depth. This mechanical discrepancy leads to chronic tissue impingement, localized inflammation, and instability of the denture. Unlike complete dentures, … Read more