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International Journal of Periodontics & Restorative Dentistry



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Int J Periodontics Restorative Dent 19 (1999), No. 3     1. May 1999
Int J Periodontics Restorative Dent 19 (1999), No. 3  (01.05.1999)

Page 243-249

Treatment of a Large Periapical Lesion with Loss of Labial Cortical Plate Using GTR: A Case Report
Brugnami, Federico / Mellonig, James T.
Following endodontic treatment, a large periapical lesion (9.0 mm 3 9.0 mm) at a maxillary central incisor was treated with demineralized freeze-dried bone allograft (DFDBA) using the principles of guided tissue regeneration (GTR). The physical barrier was removed 6 months postsurgical. The cortical alveolar plate was observed to be completely reconstructed. Histologic evaluation demonstrated lamellar bone surrounding DFDBA particles. Radiographic follow-up 1 year posttreatment demonstrated complete resolution of the periapical radiolucency.