2006•Journal of Indian Society of Pedodontics and Preventive DentistryOpen access

In vitrocomparison of NiTi rotary instruments and stainless steel hand instruments in root canal preparations of primary and permanent molar

ND Shashikiran, VV Subbareddy, PJ Nagaratna

Abstract

This study is an attempt to compare the NiTi rotary and K-files hand instrumentation on root canal preparation of primary and permanent molars for their efficiency in preparation time, instrument failure and shaping the canals. About 20 primary mandibular second molar (I) and 20 permanent mandibular first molar (II) were selected. Each was further divided into 10 for K-files (a) and 10 for NiTi (b) groups, respectively. Results showed that preparation time Ib Ia and IIab

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Key concepts: Molar, Nickel titanium, Root canal, Dentistry, Dental instruments, Fracture (geology), Materials science, Orthodontics