Evaluation of foraminal transportation during foraminal enlargement with different instrumentation systems

AUTOR(ES)

Silva, Diogo, Gomes, Aline Cristine, Silva, Juliana Melo da, Neves, Aline de Almeida, Zaia, Alexandre Augusto, Silva, Emmanuel João Nogueira Leal da

FONTE

Braz. J. Oral Sci.

DATA DE PUBLICAÇÃO

2014-12

RESUMO

Aim: To evaluate the foraminal transportation during foraminal enlargement after manual instrumentation with stainless steel files, preparation with the Mtwo system and Reciproc R25 file. Methods: Thirty roots were selected, divided in three groups and prepared in accordance with the different instrumentation systems: Hand Files (HF); Mtwo system (MS); and Reciproc system (RS). All groups were prepared with the instrumentation level 1 mm beyond the apex. Photomicrographs were performed using scanning electron microscopy, to record the foraminal anatomy before and after instrumentation. Data were analyzed using ANOVA followed by Tukey's test with a significance level of 5%. Results: The group instrumented with hand files showed higher foraminal transportation when compared to the Mtwo and Reciproc groups (p<0.05). Reciproc group showed lower transportation when compared to the Mtwo group (p<0.05). Conclusions: The stainless steel files caused significant foraminal transportation, while Reciproc system showed safe apical preparation, with little transportation.

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