COMPARATIVE EFFICACY OF THREE DIFFERENT RETREATMENT FILE SYSTEMS IN REMOVING GUTTA PERCHA DURING ENDODONTIC RETREATMENT: AN IN VITRO STEREOMICROSCOPIC STUDY.

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Malik Sartaj Mushtaq Mohammad Bhat Shafya Majid Riyaz Farooq Aamir Rashid Fayaz Ahmad

Abstract

Endodontic retreatment is indicated when initial procedure has failed and the problem can be corrected by improving root canal debridement and filling. Mostly they are filled with  gutta-percha, with array of sealers . For successful retreatment, the removal of the  this endodontic filling material is essential. Newer nickel-titanium rotary instruments can facilitate the removal of gutta-percha in the canal. Three new NiTi rotary systems, which the manufacturers assign specifically for retreatment, have been introduced commercially i.e. Endo, Mtwo and ProTaper R The aim of our study is to compare their canal cleaning efficacy for  endodontic retreatment  of canals filled with gutta percha and AH Plus. Thirty roots were retreated with each of these file systems. After removal of the filling material teeth were sectioned and evaluated under stereomicroscope. Results revealed that Protaper R achieves better cleaning of gutta percha from canals and exhibited the better outcomes at the cervical, middle and apical thirds. This group was statistically different from groups both MTwo and R endo groups. Hence, it is concluded that ProTaper R is better option for root canal filling material removal in orthograde retreatment.
Keywords: Mtwo and ProTaper R

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How to Cite
Sartaj, M., Bhat, M. M., Majid, S., Farooq, R., Rashid, A., & Ahmad, F. (2019). COMPARATIVE EFFICACY OF THREE DIFFERENT RETREATMENT FILE SYSTEMS IN REMOVING GUTTA PERCHA DURING ENDODONTIC RETREATMENT: AN IN VITRO STEREOMICROSCOPIC STUDY. International Journal of Pharmaceutical and Biological Science Archive, 7(1). Retrieved from https://ijpba.in/index.php/ijpba/article/view/197
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