Table 1 Applied search strategy in PubMed/Medline electronic database.

From: Lasers efficacy in pain management after primary and secondary endodontic treatment: a systematic review and meta-analysis of randomized clinical trials

Field of exploration

Combination of keywords and terms

Laser AND Endodontics

(“lasers“[All Fields] OR “lasers“[MeSH Terms] OR “lasers“[All Fields] OR “laser“[All Fields] OR “lasered“[All Fields] OR “lasering“[All Fields]) AND (“endodontal“[All Fields] OR “endodontic“[All Fields] OR “endodontical“[All Fields] OR “endodontically“[All Fields] OR “endodontics“[MeSH Terms] OR “endodontics“[All Fields])

Laser AND postoperative pain

(“lasers“[All Fields] OR “lasers“[MeSH Terms] OR “lasers“[All Fields] OR “laser“[All Fields] OR “lasered“[All Fields] OR “lasering“[All Fields]) AND (“pain, postoperative“[MeSH Terms] OR (“pain“[All Fields] AND “postoperative“[All Fields]) OR “postoperative pain“[All Fields] OR (“postoperative“[All Fields] AND “pain“[All Fields]))

Laser AND endodontic treatment

(“lasers“[All Fields] OR “lasers“[MeSH Terms] OR “lasers“[All Fields] OR “laser“[All Fields] OR “lasered“[All Fields] OR “lasering“[All Fields]) AND ((“endodontal“[All Fields] OR “endodontic“[All Fields] OR “endodontical“[All Fields] OR “endodontically“[All Fields] OR “endodontics“[MeSH Terms] OR “endodontics“[All Fields]) AND (“therapeutics“[MeSH Terms] OR “therapeutics“[All Fields] OR “treatments“[All Fields] OR “therapy“[MeSH Subheading] OR “therapy“[All Fields] OR “treatment“[All Fields] OR “treatment s“[All Fields]))

Laser AND endodontic retreatment

(“lasers“[All Fields] OR “lasers“[MeSH Terms] OR “lasers“[All Fields] OR “laser“[All Fields] OR “lasered“[All Fields] OR “lasering“[All Fields]) AND ((“endodontal“[All Fields] OR “endodontic“[All Fields] OR “endodontical“[All Fields] OR “endodontically“[All Fields] OR “endodontics“[MeSH Terms] OR “endodontics“[All Fields]) AND (“retreat“[All Fields] OR “retreated“[All Fields] OR “retreating“[All Fields] OR “retreatment“[MeSH Terms] OR “retreatment“[All Fields] OR “retreatments“[All Fields] OR “retreats“[All Fields]))

Laser AND endodontic retreatment

(“lasers“[All Fields] OR “lasers“[MeSH Terms] OR “lasers“[All Fields] OR “laser“[All Fields] OR “lasered“[All Fields] OR “lasering“[All Fields]) AND ((“endodontal“[All Fields] OR “endodontic“[All Fields] OR “endodontical“[All Fields] OR “endodontically“[All Fields] OR “endodontics“[MeSH Terms] OR “endodontics“[All Fields]) AND (“retreat“[All Fields] OR “retreated“[All Fields] OR “retreating“[All Fields] OR “retreatment“[MeSH Terms] OR “retreatment“[All Fields] OR “retreatments“[All Fields] OR “retreats“[All Fields]))

Photodynamic therapy AND endodontics

(“photochemotherapy“[MeSH Terms] OR “photochemotherapy“[All Fields] OR (“photodynamic“[All Fields] AND “therapy“[All Fields]) OR “photodynamic therapy“[All Fields]) AND (“endodontal“[All Fields] OR “endodontic“[All Fields] OR “endodontical“[All Fields] OR “endodontically“[All Fields] OR “endodontics“[MeSH Terms] OR “endodontics“[All Fields])

Photobiomodulation AND endodontics

“Photobiomodulation“[All Fields] AND (“endodontal“[All Fields] OR “endodontic“[All Fields] OR “endodontical“[All Fields] OR “endodontically“[All Fields] OR “endodontics“[MeSH Terms] OR “endodontics“[All Fields])