TY - RPRT TI - A scanning electron microscopic examination of surface changes obtained from two variable methods of precurving files: a clinical observation. AU - C Yesilsoy AU - L Z Koren AU - O R Bolanos AU - D R Morse PY - 1986 DO - 10.1016/s0099-2399(86)80075-9 UR - https://pubmed.ncbi.nlm.nih.gov/3463646/ ID - 3463646 ER -