Fig. 1From: Efficacy of hyaluronic acid, absorbable collagen sponge, and their combination in minimizing bisphosphonate-related osteonecrosis of the jaws (BRONJ) after dental extraction: a preliminary animal histomorphometric studyUnilateral commissurotomy is performed to increase accessibility of oral cavity. A The facial nerve preservation. B The facial artery and vein preservationBack to article page