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An important aspect of the success criteria for dental implants in the maxillary anterior area involves the establishment of soft tissue contours with an intact inter-implant papilla and a gingival outline that is harmonious with the gingival levels of the adjacent healthy dentition. Recently, the tunnel technique was introduced to maintain the integrity of the soft tissue as an alternative approach for horizontal augmentation, ideally used in sites with 2-wall defects or a prominent C-shaped curvature of the alveolar ridge. The purpose of the present case report is to describe step by step a ridge augmentation procedure utilizing the tunnel technique in combination with an allograft block graft for horizontal ridge augmentation, performed in anterior maxilla. Alghamdi R, Guei-hua GH, Sawada M, Kakumoto T and Fernández-Guallart I, Cheng Yu PY* Department of Periodontology and Implant Dentistry, New York University, USA *Address for Correspondence Cheng Yu PY, Department of Periodontology and Implant Dentistry, New York University, Clinic 5W, 345 E 24th St, New York, NY 10010, New York, USA, Tel: +1-3472792958; E-mail: ycy233@nyu.edu Submission: 19 December 2019 Accepted: 22 January 2020 Published: 28 January 2020 Copyright: © 2019 Cheng Yu PY, et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Case Report Open Access

journal of oral biology

Horizontal Ridge Augmentation Using PDLLA Fixing Screw in Combination with a Block Graft in a Tunnel Technique to Replace Amaxillary Anterior Missing Tooth - A Case Report