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Volume 42 , Issue 4
July/August 2022
Pages 471–477

The Buccally Displaced Palatal (BDP) Flap to Increase Quantity and Thickness of Peri-implant Soft Tissue

Tiziano Testori, MDS, DDS/Matteo Deflorian, DDS/Riccardo Scaini, DDS/I-Ching Wang, DDS, MS/Giovanni Zucchelli, DDS, PhD/Marius Steigmann, DDS, PhD/Massimo Del Fabbro, MSc, PhD/Hom-Lay Wang, DDS, MSD, PhD/Luca Francetti, MD, DDS

PMID: 35830310
DOI: 10.11607/prd.5833

Common challenges encountered for atrophic maxilla rehabilitation are the inadequate width and height of attached keratinized mucosa (AKM) and shallow vestibular depth. This study presents a buccally displaced palatal (BDP) flap technique to increase the tissue thickness and AKM width at the second-stage surgery and reestablish the correct fornix depth. The peri-implant pocket depths, modified Plaque Index score, modified sulcus Bleeding Index score, and soft tissue recession were evaluated 6 and 12 months after prostheses loading. A total of 52 implants were placed and analyzed, and no implant failures were found. No significant changes in peri-implant parameters were observed between 6 and 12 months, and mean recession was less than 0.2 mm after 12 months. Though this change was statistically significant, it was clinically irrelevant. The results demonstrate that adequately healthy peri-implant soft tissues and substantial dimensional stability of vestibular soft tissues at the 1-year follow-up were achieved with the BDP flap technique. The BDP flap could represent a viable option for increasing the width and the height of AKM and establishing the correct maxillary fornix depth.

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