Bone Repair in Periodontal Defect Using a Composite of Allograft and Calcium Sulfate (DentoGen) and a Calcium Sulfate Barrier
Deep bone defects are caused by the progression of periodontal disease, which breaks down bone and connective tissue that hold teeth in place. In this case, a 37-year-old male patient presented a deep bone defect with advanced periodontal disease around an upper canine. Medical-grade calcium sulfate was mixed with demineralized freeze-dried bone allograft and used to repair and regenerate the defect. Analysis of the radiographs at the 5-month time point showed the bone had completely regenerated.Abstract

Calcium sulfate degradation mechanism in a deep bone defect.

(a) Preoperative periodontal deep bone defect around upper canine. (b) Preoperative radiograph of periodontal deep bone defect around upper canine.

(a) Mixture of allograft and DentoGen. (b) Allograft and DentoGen composite implanted in periodontal deep bone defect. (c) Defect closed with DentoGen membrane barrier. (d) Sutures placed over the top.

(a) Radiograph obtained 1 month postoperatively. (b) Radiograph obtained after 5 months shows degradation of grafted material and bone growth in the original defect.
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