Evaluation of clinical efficiency of two single file NiTi rotary systems in performing root canal treatment in primary teeth.

Screening of 4-9 years old patients attending outpatient department will be done. Details of the study will be explained to the patients and parents, with written informed consent obtained. Based on inclusion and exclusion criteria a total of 50 primary teeth will be included and divided into 2 equal groups with n= 25 in each group. Group 1 includes Kedo-S and group 2 includes Xp-endoshaper. A standard protocol will be followed for pulpectomy and radiographic method of working length determination will be done. BMP will be done using respective rotary file systems in both the groups and instrumentation time will be recorded in seconds using stop watch, followed by irrigation using 2.5% sodium hypochlorite. Obturation will be done using zinc oxide eugenol cement. Quality of obturation will be assessed using post operative radiograph based on Coll and Sadrian criteria given in the year 1996. And it will be graded and scored as under fill (1), optimum fill (2), overfill (3), and presence or absence of voids. Obtained data will be subjected to statistical analysis.