Table 1.

Search strategy in the database

Database	Search strategy	Findings
PubMed	1 ((((Dental caries[MeSH Terms]) OR Caries[Title/Abstract]) OR Carious lesion[Title/Abstract]) OR Dentinal lesion[Title/Abstract]) OR Root caries[Title/Abstract]	58,131
	2 ((Ozone[MeSH Terms]) OR Ozone[Title/Abstract]) OR Ozon*[Title/Abstract]	24,142
	3 (((((Antimicrobial[MeSH Terms]) OR Antimicrobial[Title/Abstract]) OR Antibacterial[Title/Abstract]) OR Microbi*[Title/Abstract]) OR Culture[MeSH Terms]) OR Culture[Title/Abstract]	167,9816
	1 AND 2 AND 3	38
Cochrane	1 (Caries):ab OR (Dental caries):ab OR (Carious lesion):ab OR (Dentinal lesion):ab OR (Root caries):ab	4,083
	2 (Ozone):ab OR (Ozon*):ab	648
	3 (Antimicrobial):ab OR (Antibacterial):ab OR (Microb*):ab OR (Culture):ab	23,203
	4 (Incomplete caries removal):ti,ab,kw OR (Stepwise caries excavation):ti,ab,kw OR (Indirect pulp therapy):ti,ab,kw	80
	1 AND 2 AND 3 AND 4	3
Google Scholar	ozone therapy, deep dentinal lesion, dental caries, deep dental caries, microbial effect, antimicrobial effect, antibacterial effect, deep carious lesion	318