A comparison of apical microleakage after lateral condensation of different tapered master cone in canals prepared by ProFile rotary instruments
DOI:
https://doi.org/10.32828/mdj.v3i4.649Keywords:
Keywords: Profile rotary instruments, Microleakage, ObturationAbstract
Forty five mesial canals of extracted human mandibular molars were instrumented
with ProFile ISO .06 nickel-titanium rotary instruments and obturated with lateral
condensation using three different master cones: .06 tapered gutta-percha cone (group
I), .04 tapered gutta-percha cone (group II), .02 tapered gutta-percha cone (group III).
Zinc oxide eugenol sealer was used in all groups. After 48 hours in an incubator, the
roots were coated with nail polish and were the submerged in methylene blue dye for
72 hours. The roots were then split longitudinally and the apical leakage measured
and compared for each group. Although there was no statistical significant difference
among groups (P>0.05), group (I) with .06 tapered gutta-percha master cone showed
the lowest mean of dye penetration.

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