Table 1.

Search strategy according to three databases (PubMed, Scopus, Embase).

Databases	Search Strategy
PubMed/Medline	MeSH terms: (Dental Implants) AND ((Osseointegration) OR (bone–implant interface) OR (survival rate)) Text words: ((Titanium) OR (titanium implant) OR (zirconia) OR (zirconium oxide) OR (yttria-stabilized tetragonal zirconia) OR (zirconia implant) OR (ceramic implant) OR (PEEK) OR (Polyetheretherketone)) AND ((bone density) OR (bone mineral) OR (bone condition)) AND ((success rate) OR (marginal bone loss) OR (bone–implant contact) OR (removal torque) OR (osteoblasts) OR (cell proliferation) OR (bone remodeling))
Scopus	(Dental implants) AND ((titanium) OR (titanium implant) OR (zirconia) OR (zirconium oxide) OR (yttria-stabilized tetragonal zirconia) OR (zirconia implant) OR (ceramic implant) OR (PEEK) OR (Polyetheretherketone)) AND ((bone density) OR (bone mineral) OR (bone condition)) AND ((osseointegration) OR (bone–implant-interface) OR (survival rate) OR (success rate) OR (marginal bone loss) OR (bone–implant contact) OR (removal torque) OR (osteoblasts) OR (cell proliferation) OR (bone remodeling))
Embase	(Dental implants) AND ((titanium) OR (titanium implant) OR (zirconia) OR (zirconium oxide) OR (yttria-stabilized tetragonal zirconia) OR (zirconia implant) OR (ceramic implant) OR (PEEK) OR (Polyetheretherketone)) AND ((bone density) OR (bone mineral) OR (bone condition)) AND ((osseointegration) OR (bone–implant-interface) OR (survival rate) OR (success rate) OR (marginal bone loss) OR (bone–implant contact) OR (removal torque) OR (osteoblasts) OR (cell proliferation) OR (bone remodeling))