Atrophy of the jaws could represent a challenge in maxillofacial and oral surgery. The correction of bone defects due to the atrophic process is frequently achieved by means of onlay bone grafting. In the present note, a technique of flap designing to approach the alveolar atrophic crest will be discussed. The primary incision is sculpted in the vestibular aspect of the oral fornix, apically to the mucogengival junction. A full thickness mucosal flap is then lifted to expose the maxillary or mandibular lateral wall, and the alveolar crest is reached after the deglovement of the atrophic edentulous crest. This technique aims to decrease the incidence of dehiscence and consequent infection in the area of bone grafts, in order to provide a feasible and safe procedure to perform bone grafting and preserve the overlying soft tissues. This technique of flap design has been applied on 90 cases (167 sites) to face mild to severe jaw atrophy obtaining good results in comparison with the traditional crestal incision technique.
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