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Volume 41 , Issue 3
May/June 2021
Pages 367–373

The Vestibular Shifted Flap Design for Vertical Bone Augmentation in the Maxilla: Case Report and Technical Notes

Luca De Stavola, DMD, MOM/Jochen Tunkel, DMD, MOM/Andrea Fincato, DMD/Francesco Fistarol, DMD

PMID: 34076633
DOI: 10.11607/prd.4471

During bone augmentation procedures, primary wound healing determines the bone augmentation result. After a crestal incision in the maxilla, the palatal flap might not be an adequate length to correctly couple to the vestibular flap and to seal the wound with horizontal mattress and single sutures. Due to the histologic structure made of dense connective tissue, the palatal flap eversion is impossible, negatively impacting the wound seal and primary healing. This case report describes the effectiveness and efficacy of an incision design to improve palatal flap management during bone augmentation procedures in the maxilla. Indeed, palatal flap verticalization is achieved. The incision line is proportionally shifted on the vestibular side, based on the defect anatomy, to obtain a palatal flap length extending at least 4 mm coronal to the bone graft level prior to wound closure. The described approach simplifies the optimal adaptation of the inner faces of the palatal and vestibular flaps, reducing the risk of nonprimary wound healing.

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