ABG	autogenous bone graft
APC	autogenous platelet concentrates
BMP-2	bone morphogenetic protein-2
BMP	bone morphogenetic proteins
BoP	bleeding on probing
CAL	clinical attachment level
CMs	collagen membranes
CSR	cumulative survival rate
DBBM	demineralized bovine bone mineral grafts
DFDBA	freeze-dried demineralized bone allograft
EMD	enamel matrix derivative
FGF-2	fibroblast growth factor-2
GBR	guided bone regeneration
GF	growth factors
GR	gingival recession
GTR	guided tissue regeneration
IBDs	intrabony defects
MeSH	medical subject heading
MPMs	modified perforated membranes
NHLBI	national heart, lung, and blood Institute
PBFP	pedicled buccal fat pad
PDGF	platelet-derived growth factor
PI	plaque index
PLGA	poly-lactic-glycolic acid
PPD	probing pocket depth
PRF	platelet-rich fibrin
PRP	platelet-rich plasma
β-TCP	β-tricalcium phosphate allograft