STUDY ON THE MECHANICAL TREATMENT OF ROOT CANALS USING MTWO AND PROTAPER NEXT ROTARY SYSTEMS

Abstract

Aim of the study: the purpose of this study is to compare the two rotary systems in terms of efficiency and quality of curved root canals instrumentation. Material and methods: to perform this study, 20 molars with fully formed apexes and root canals with curves between 25 and 35 degrees were used.Subsequently, all teeth were divided into two groups, each group having a number of 10 root canals: Group A - Mtwo system (VDW) was used, Group B - ProTaper Next system was used (Dentsply Maillefer). Results All teeth were x-rayed initially and after the canal fillings were completed. During the study, the following were noted: working length, apical diameter, working time, the degree of widening of the canals given by each rotary system, the ability of each system to respect the initial anatomy of the canals, the quality of the canal fillings, possible accidents during instrumentation. Conclusions The ability of Ni-Ti rotary instruments to remove dentin and pulpal debris is closely related to the design features of the instruments, in particular the cross-sectional appearance and the cutting blades

Keywords

• protaper next system
• mtwo system
• curved root canals instrumentation