GTR	Guided Tissue Regeneration
ECM	Extracellular Matrix
CAL	Clinical Attachment Level
PD	Probing Depth
3D	Three-Dimensional
PGs	Proteoglycans
GAGs	Glycosaminoglycans
dECM	Decellularized Extracellular Matrix
DAMPs	Damage-Associated Molecular Patterns
SIS	Small Intestinal Submucosa
SDS	Sodium Dodecyl Sulphate
GBR	Guided Bone Regeneration
PCM	Porcine Collagen Matrix
CAF	Coronally Advanced Flap
CTG	Connective Tissue Graft
VCMX	Xenogeneic Volume-Stable Collagen Matrices
EMD	Enamel Matrix Derivative
PRF	Platelet-Rich Fibrin
BMPs	Bone Morphogenetic Proteins
RGD	Arginine–Glycine–Aspartate
ePTFE	Polytetrafluoroethylene
SR/MA	Systematic Reviews and Meta-Analyses