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International Journal of Periodontics & Restorative Dentistry



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Int J Periodontics Restorative Dent 17 (1997), No. 5     1. Sep. 1997
Int J Periodontics Restorative Dent 17 (1997), No. 5  (01.09.1997)

Page 437-447

Preimplant Guided Bone Regeneration in the Anterior Maxilla
Tal / Oelgiesser / Moses
Guided bone regeneration is a clinical procedure aimed at promoting bone formation at sites where there is severe bone loss. The purpose of this article was to demonstrate reconstruction of deformations of the alveolar process resulting from traumatic injuries to maxillary incisor teeth by guided bone regeneration procedures followed by insertion of dental implants. In both cases, submembranous space-making was stabilized by human demineralized freeze-dried bone. Implant insertion at the sites of bone augmentation resulted in successful restorations. Histologic examination of biopsy samples from the submembranous hard tissue revealed particles of demineralized freeze-dried bone allografts partially surrounded by uninflamed connective tissue and by vital bone adjacent and adhered to the demineralized freeze-dried bone allograft particles.