P. Sanguanwongthong, P. . Taweewattanapaisan, J. Sakdee, and C. Piyachon, “Comparative Study on The Shaping Ability of Three Reciprocating Nickel-Titanium Single File Systems in Curved Root Canals”, Khon Kaen Dent J, vol. 23, no. 3, pp. 1–10, Dec. 2020.