Table 1.

Information of sources and Search strategies using MeSH keywords.

Database	Search Strategies	Results
PubMed	((((((((((((Herbal[Title/Abstract]) OR (Natural[Title/Abstract])) OR (Herbal products[Title/Abstract])) OR (Natural products[Title/Abstract])) OR (Herbal products in endodontics[Title/Abstract])) OR (Natural products in endodontics[Title/Abstract])) OR (Herbal intervention in endodontics[Title/Abstract])) OR (Root canal[Title/Abstract])) OR (Dental applications[Title/Abstract])) OR (Herbal endodontics[Title/Abstract])) AND (((((((Herbal medication[Title/Abstract]) OR (Endodontics applications[Title/Abstract])) OR (Herbal medications in endodontics[Title/Abstract])) OR (Herbal endodontics[Title/Abstract]))	586
Google Scholar	Herbal OR Natural OR Endodontics OR Root canal OR Application OR Herbal products OR Natural products OR Root canal system OR Endodontics OR Herbal endodontics OR Herbal medications OR Natural medications OR Herbal intervention AND Herbal products in endodontics OR Application of herbal medicine in endodontics OR Natural products used in endodontics	1048
MEDLINE	Herbal OR Natural OR Endodontics OR Root canal OR Application OR Herbal products OR Natural products OR Root canal system OR Endodontics OR Herbal endodontics OR Herbal medications OR Natural medications OR Herbal intervention AND Herbal products in endodontics OR Application of herbal medicine in endodontics OR Natural products used in endodontics	389
Total		2023