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J Periodontal Implant Sci. 2012 Dec;42(6):237-242. English. Original Article.
Budhiraja S , Bhavsar N , Kumar S , Desai K , Duseja S .
Department of Periodontology, Karnavati School of Dentistry, Gandhinagar, India.
Department of Periodontology, Government Dental College, Asarwa, India.
Department of Prosthodontics, Karnavati School of Dentistry, Gandhinagar, India.

PURPOSE: The aim of this study was to clinically and radiographically evaluate and compare treatment of intrabony defects with the use of decalcified freeze-dried bone allograft in combination with a calcium sulphate barrier to collagen membrane. METHODS: Twelve patients having chronic periodontal disease aged 20 to 50 years and with a probing depth >6 mm were selected. Classification of patient defects into experimental and control groups was made randomly. In the test group, a calcium sulphate barrier membrane, and in control group, a collagen membrane, was used in conjunction with decalcified freeze-dried bone graft in both sides. Ancillary parameters as well as soft tissue parameters along with radiographs were taken at baseline and after 6 months of surgery. Parameters assessed were plaque index, modified gingival index, probing depth, relative attachment level, and location of the gingival margin. A Student's t-test was done for intragroup and a paired t-test for intergroup analysis. RESULTS: Intragroup analysis revealed statistically significant improvement in all the ancillary parameters and soft tissue parameters with no statistically significant difference in intergroup analysis. CONCLUSIONS: The study concluded that a calcium sulphate barrier was comparable to collagen membrane in achieving clinical benefits and hence it can be used as an economical alternative to collagen membrane.

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