Table 5.

Search keys used in the different databases.

Database	Search keys
Cochrane Library	#1 MeSH descriptor: [Dentin] explode all trees
	#2 dentin
	#3 cavity
	#4 MeSH descriptor: [Disinfection] explode all trees
	#5 disinfect*
	#6 antibacteria*
	#7 MeSH descriptor: [Anti-Bacterial Agents] explode all trees
	#8 chlorhexidine
	#9 MeSH descriptor: [Chlorhexidine] explode all trees
	#10 “sodium hypochlorite”
	#11 MeSH descriptor: [Sodium Hypochlorite] explode all trees
	#12 laser
	#13 MeSH descriptor: [Lasers] explode all trees
	#14 ozone
	#15 MeSH descriptor: [Ozone] explode all trees
	#16 “aloe vera”
	#17 MeSH descriptor: [Aloe] explode all trees
	#18 ethanol
	#19 MeSH descriptor: [Ethanol] explode all trees
	#20 EDTA
	#21 MeSH descriptor: [Edetic Acid] explode all trees
	#22 “green tea”
	#23 EGCG
	#24 “bond strength”
	#25 adhesion
	#26 adhesive
	#27 MeSH descriptor: [Dental Cements] explode all trees
	#28 primary
	#29 deciduous
	#30 MeSH descriptor: [Tooth, Deciduous] explode all trees
	#31 temporary
	#32 #1 OR #2 OR #3
	#33 #4 OR #5 OR #6 OR #7 OR #8 OR #9 OR #10 OR #11 OR #12 OR #13 OR #14 OR #15 OR #16 OR #17 OR #18 OR #19 OR #20 OR #21 OR #22 OR #23
	#34 #24 OR #25 OR #26 OR #27
	#35 #28 OR #29 OR #30 OR #31
	#36 #32 AND #33 AND #34 AND #35
PubMed	(dentin[MeSH Terms] OR dentin OR cavity) AND (disinfection[MeSH Terms] OR disinfect* OR antibacteria* OR agents, antibacterial[MeSH Terms] OR chlorhexidine[MeSH Terms] OR chlorhexidine OR “sodium hypochlorite” OR sodium hypochlorite[MeSH Terms] OR laser OR lasers[MeSH Terms] OR ozone OR ozone[MeSH Terms] OR “aloe vera” OR aloe[MeSH Terms] OR ethanol OR ethanol[MeSH Terms] OR EDTA OR Edetic acid[MeSH Terms] OR “green tea” OR EGCG) AND (“bond strength” OR adhesion OR adhesive OR adhesives[MeSH Terms]) AND (deciduous tooth[MeSH Terms] OR deciduous OR primary OR temporary)
SCOPUS	TITLE-ABS-KEY (dentin OR cavity) AND TITLE-ABS-KEY (disinfect* OR antibacterial* OR chlorhexidine OR “sodium hypochlorite” OR laser OR ozone OR “aloe vera” OR ethanol OR EDTA OR “green tea” OR EGCG) AND TITLE-ABS-KEY (“bond strength” OR adhesion OR adhesive) AND TITLE-ABS-KEY (primary OR deciduous OR temporary)
Web of Science	TS= ((dentin[MeSH Terms] OR dentin OR cavity) AND (disinfect* OR antibacteria* OR chlorhexidine OR “sodium hypochlorite” OR laser OR ozone OR “aloe vera” OR ethanol OR EDTA OR “green tea” OR EGCG) AND (“bond strength” OR adhesion or adhesive) AND (primary OR deciduous OR temporary))