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J Korean Acad Periodontol. 2008 Jun;38(2):171-178. Korean. Original Article.
Yon JY , Kim DJ , Hong SB , Hong JY , Kim ST , Lee YH , Cho KS , Kim CK , Choi SH .
Department of Periodontology, Research Institute for Periodontal Regeneration, College of Dentistry, Yonsei University, Korea.
Dentium Co., Korea.

PURPOSE: The aim of this study was to evaluated biphasic calcium phosphate applied in surgically created 1-wall periodontal intrabony defects in dogs by histometrical analysis. MATERIAL AND METHOD: Critical sized(4 mm x 4 mm), one wall periodontal intrabony defects were surgically produced at the proximal aspect of mandibular premolars in either right and left jaw quadrants in four canines. The control group was treated with debridement alone, and experimental group was treated with debridement and biphasic calcium phosphate application. The healing processes were histologically and histometrically observed after 8 weeks. RESULTS: In biphasic calcium phosphate group, more new bone and cementum formation, less epithelium and connective tissue attachment were observed compared to other groups. But there was no statistical significance. CONCLUSION: Though the statistically significant difference could not be found, it seemed that there was more new bone and cementum formation with applying biphasic calcium phosphate in 1 wall intrabony defects in dogs by preventing junctional epithelium migration.

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