Terms: Endodontology (12500), endodontic (451000), endodontist (270000), endodontists (207000), laser applications in endodontics (8),
Boolean: (Endodontology OR endodontic OR endodontist OR endodontists) AND laser (192000),
Terms: endodontic surgery (2170), laser root canal (582), endodontic treatment (63600),