Chávez-Vega A, Jarrín-Peñafiel M, Toalombo-Puma O, Carrera-Robalino A, Armas Vega A del C. Prevalence of the third canal in the mesial root of the first permanent mandibular mollars, in patients attended in Serodu Clinic, Ecuador. kiru. 2018;15(2). Accessed November 9, 2026. https://portalrevistas.aulavirtualusmp.pe/index.php/Rev-Kiru0/article/view/1317