Danger zone in mandibular molars before instrumentation: an in vitro study Zona de risco em molares inferiores previamente a instrumentação: estudo "in vitro"

• Prif Awduron: Paulo Ferreira Garcia Filho (Awdur), Ariadne Letra (Awdur), Renato Menezes (Awdur), Antônio Márcio Rezende do Carmo (Awdur)
• Fformat: Llyfr
• Cyhoeddwyd: University of São Paulo, 2003-12-01T00:00:00Z.
• Pynciau: article
• Mynediad Ar-lein: Connect to this object online.

The aim of this work was to measure the danger zone in mandibular molars, relating to strip perforations that might affect the mesial root during canal instrumentation. One hundred mesial roots were sectioned 2mm below the furcation and the distal concavities were measured with a microscope from the...