Case Report

Three-Layered Closure of Persistent Oroantral Fistula Using Chin Graft, Buccal Fat Pad, and Buccal Advancement Flap: A Case Report with Review of Literature

Table 1

Summarizes various studies demonstrating the use of different modalities for OAF closure.

Author/yearNumber of casesType of bone graft

(1) Waldrop TC et al. (1993)1Gelatin membrane+DFDBA+ePTFE
(2) Liversedge et al. (2002)1BFP+maxillary bone graft
(3) Haas et al. (2003) [12]5Chin graft+buccal flap
(4) Watzack G et al. (2005)21Retromolar/chin graft
(5) Delgado Galindez (2005)22Mandibular graft+mucoperiosteal flap
(6) Ogunsalu et al. (2005)1Biooss sandwiched between Biogide
(7) Scala M et al. (2007) bovine bone3Cryoplatelet gel+particulate bone maxilla+
(8) Penarrocha Diago M et al. (2007)1Zygomatic bone
(9) Lee BK (2008)1Ileac bone+palatal flap
(10) Doobrow JH et al. (2008)1Collagen matrix+FDB+CaSO4
(11) Scattarella et al. (2010)1Autologous bone+particulate xenograft+PTFE
(12) Ahmed MS et al. (2011)8Chin/ramus graft+BAF
(13) Er et al. (2013) [16] wall (3)10Chin (3), buccal (1), tuberosity (2), ramus (1), maxillary
(14) Cottam JR et al. (2013)1Recombinant rhBMP-2+collagen matrix
(15) Pourdanesh F et al. (2013)1BFP+pedicled coronoid process+mucosa
(16) Weinstock RJ et al. (2014) [18]1Maxilla+BFP flap+buccal advancement flap
(17) De Biasi M et al. (2014)20BFP+hydroxyapatite crystals+collagen sheath
(18) Choi N et al. (2015)1Scapular tip free flap
(19) Kapustecki M et al. (2016) [14]20Mental protuberance (14)+oblique line (6)
(20) S Amroun et al. (2018)1Maxillary tuberosity+mucosal closure

Abbreviations: DFDBA: Decalcified Freeze-Dried Bone Allograft; ePTFE: extended polytetrafluoroethylene; BFP: Buccal Fat Pad; Biooss: bone graft material; Biogide: a resorbable membrane; FDB: Freeze-Dried Bone; CaSO4: Calcium Sulphate; BAF: buccal advancement flap; rhBMP-2: recombinant human Bone Morphogenetic Protein-2.