Lifespan of One Shape Files used in Severely Curved Canals in Resin Blocks and Extracted Teeth

  • Emilia Karova
  • Published 2015


The investigation traced the lifespan of One Shape files used in severely curved canals of resin blocks and extracted teeth. One hundred canals were shaped and all instruments worked till their fracture. The average lifespan in the group of artificial canals was 4.63±1.30 canals and of extracted teeth 8.40±1.34 canals. The cumulative survival of tested… (More)


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