Electronic apex locators may be better at determining endodontic working length than radiographs and could reduce patient radiation exposure.

Article Title And Bibliographic Information: Clinical efficacy of electronic apex locators: Systematic review. Martins JNR, Marques M, Mata A, Carames J.J Endod 2014;40(6):759-77.

Reviewer: Nicholas Chandler, BDS, MSc, PhD, LDSRCS, MRACDS (Endo), FDSRCPS, FDSRCSEd, FFDRCSI PURPOSE/QUESTION: The authors conducted a systematic review to compare radiographic and electronic methods of determining endodontic working length.

Source Of Funding: The authors reported no external funding sources.

Type Of Study/design: Systematic review

Level Of Evidence: Level 2: Limited-quality patient-oriented evidence STRENGTH OF THE RECOMMENDATION GRADE: Grade B: Limited-quality patient-oriented evidence.