Fig. 7From: Reconstruction of vertical alveolar ridge deficiencies utilizing a high-density polytetrafluoroethylene membrane /clinical impact of flap dehiscence on treatment outcomes: case series/Management of class II membrane exposure. A Membrane exposure occurring at the 4th postoperative week. B Removal of the exposed area of the d-PTFE membrane. C Partial secondary epithelialization at the 6th postoperative week D Further progression of membrane exposure at the 8th postoperative week. E Flap elevation and membrane removal, stable non inflamed immature hard tissue below the membrane. F Coverage of the exposed area using a resorbable collagen membraneBack to article page