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HETEROLOGOUS BONE LAMINA AND UMBRELLA SCREW TECHNIQUE FOR SINGLE-TOOTH PREMOLAR ALVEOLAR DEFECTS PREVENTION AFTER THE EXTRACTION: A CASE SERIES

F. Lorusso1 ORCID, L. Calò2, S. A. Gehrke3 ORCID, A. Scarano1 ORCID, G. Dipalma4 ORCID, S.R. Tari1

1 Department of Innovative Technologies in Medicine and Dentistry, University of Chieti-Pescara, Chieti, Italy
2 Department of Research, Bioface/PgO/UCAM, Montevideo, Uruguay
3 Universidad Católica de Murcia (UCAM), Murcia, Spain
4 Department of Interdisciplinary Medicine, Microbiology and Virology Unit, University of Bari School of Medicine, Bari, Italy;

Correspondence to:

Antonio Scarano, DDS, MD
Department of Innovative Technologies in Medicine & Dentistry,
University of Chieti-Pescara,
Via Dei Vestini 31,
66100 Chieti, Italy

Annals of Stomatology 2022 May-August; 2(2): 62-67
DOI https://doi.org/10.69129/stomatol/2022v2iss2_4


Received: 23 June 2022 Accepted: 19 July 2022

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Abstract

The post-extraction alveolar defect could represent a clinical challenge for dental implant rehabilitation in the aesthetic area. The aim of the present study was to investigate the effectiveness of heterologous bone lamina supported by an umbrella screw for the prevention of bone defect collapse after tooth extraction in the maxillary aesthetic region. A total of 2 male patients were treated in the present case series. The heterologous bone lamina supported by a screw was applied at the level of the premolar region to maintain the bone peaks. After 6 months, a full flap thickness flap was elevated, and the fixation screw was removed. A dental implant has been positioned to support a single crown fixed rehabilitation. An excellent maintenance of the buccal and interproximal bone peaks was obtained. No signs of early exposure and inflammation were reported during the healing period and dental implant positioning. Within the limits of the present study, the heterologous bone lamina showed an optimal mechanical stability and space-maintaining capability.

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