Dura mater가 성견 3급 분지부 병소의 치유에 미치는 영향

Abstract

The present study evaluates the effects of dura mater barrier membranes in class III furcation defects on the regeneration of periodontal tissues in dogs. Experimental class III furcation defects were created surgically by removing alveolar bone horizontally down to 4mm from CEJ in mandibular premolars of adult dogs. Dura mater barrier membranes were applied bucco-lingually in the test group, and flap surgery only with no membranes in the control group, The healing was evaluated clinically and histologically after Hweeks. Clinically, the test group showed slight exposures of the membranes, while the control group showed no furcation exposure, The test specimens showed new bone formation coronal to the notch, while the control specimens had new bone formation up to the level of the notch. New cementum was observed in both groups. The test specimens showed functional arrangements of connective tissue fibers between new bone and new cenentum, while irregular arrangements were observed in the controls. No root resorption These results suggest that dura mater defects may be effective in regeneration of or ankylosis were observed in either groups. Resorbable barrier membranes on class III furcation alveolar bone and peridontal ligament.