Avaliação clínica do sistema ProTaper na instrumentação de canais de dentes posteriores

Resumo (EN)

The phase of cleaning and shaping in the endodontic therapy constitute task, many times, arduous even for the most experienced dentistry, consequence of this, is the high number of instruments destined to this stage with the most different designs and constitution. The ProTaper is the most recent novelty of rotary system of the Dentsply®. The aims of this work is to evaluate clinically advantages, disadvantages and limitations of this system in the posterior teeth preparation. Eleven posterior teeth were prepared with the ProTaper system to evaluated easiness in the file’s sequence, high skill to make widening canals, easiness in the fence of the gutta-percha points and pain after endodontic treatment. ProTaper system showed easiness in the file’s sequence, high skill to make widening canals, easiness in the fence of the gutta-percha points and did not have cases of pain after endodontic treatment. An instrument (F1) broke in the apical third and the system does not discard previous experience with the rotary instruments.