Jainaen, A.; Thaweesit, P.; Laosiriwijit, P.; Junsuaydee, K.; Chueaduangphui, W.; Chaichit, R. Comparison of Dentinal Microcrack Formation in Root Canal After Mechanical Instrumentation With 4 Single-File Rotary Systems. Khon Kaen Dent J 2020, 23, 11-20.