作者: Raul G. Caffesse , Liza E. Dominguez , Carlos E. Nasjleti , Walter A. Castelli , Edith C. Morrison
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摘要: This study evaluated the effects of guided tissue regeneration (GTR) in treatment Class II furcation defects beagle dogs. Gore-Tex periodontal material was used, and amount fill surface area corresponding to new connective attachment bone were evaluated. If present, epithelium also Six female dogs with naturally-occurring periodontitis given thorough root debridement. Four weeks later mucoperiosteal flaps raised, involving mandibular 2nd, 3rd, 4th premolar 1st molar teeth. After debridement, notches placed on roots at level furcal alveolar bone. adapted secured sutures two teeth each quadrant. The sutured tightly, making sure margin covered. Teeth receiving only surgery acted as controls. removed 1 month following surgery. All sacrificed by exsanguination 3 months. Mesiodistal secti...