Aim: To assess the knowledge, attitude and treatment protocols in micro endodontic surgeries among dental practitioners in Chennai. Objective: To evaluate the knowledge, attitude and treatment protocols in micro endodontic surgeries among general practitioners. Background: Endodontic surgery is a procedure of last resort when non-surgical treatments have failed to produce the desired results. With advent of innovative and newer technologies, newer advancements are implemented. Microendodontic surgery is one such advancement that has made surgical procedure easier in endodontics, more accurate, reliable and increased the success rate of the treatment. In microendodontics, microscope and other micro instruments are used. The advantages include the easier detection of root apices and smaller osteotomies. Reason: To assess the knowledge and practice of micro endodontic surgeries among dentists in chennai.