The effect of Hand Stainless-Steel and NiTi Rotary file on vertical root fracture.
DOI:
https://doi.org/10.32828/mdj.v8i2.291Keywords:
Keywords: Root fracture, Instrumentation, Fracture pattern.Abstract
The aim of this study was to compare the fracture resistance of roots following
root canal therapy using stainless-steel hand instrumentation (SS), Rotary Profile (PF)
instrumentation, Rotary ProTaper instrumentation (PT). Forty-five mandibular
premolars teeth were divided into three groups of 15 teeth each, according to the type
of instrumentation. All root obturated with gutta-percha and AH26 sealer. The roots
were vertically loaded using a universal testing machine. Fracture loads were analysed
by ANOVA and LSD test, and fracture patterns were analyzed with Chi-Square.
Profile & ProTaper groups have significantly lower fracture load than hand
instruments group (P < 0.05). Chi-Square showed a significant differences between
groups (P < 0.05) .
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