Guided tissue regeneration employing a collagen membrane in a human periodontal bone defect: a histologic evaluation.

The purpose of this study is to confirm histologically whether a new attachment can be obtained around a tooth by guided tissue regeneration using bioresorbable barrier. The test tooth was a maxillary molar with an intrabony pocket. At reentry 5 months after periodontal surgery, a hard, whitish, blood-free tissue was found to fill the original defect… CONTINUE READING