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Paper Information

Journal:   IRANIAN ENDODONTIC JOURNAL (IEJ)   2012 , Volume 7 , Number 4; Page(s) 183 To 188.
 
Paper: 

EFFICACY OF TWO ROTARY NITI INSTRUMENTS IN REMOVAL OF RESILON/EPIPHANY OBTURANTS

 
 
Author(s):  DADRESANFAR BAHAREH, IRANMANESH MAHBUBEH, MOHEBBI POONEH*, MEHRVARZFAR PAYMAN, VATANPOUR MEHDI
 
* DENTAL BRANCH OF ISLAMIC AZAD UNIVERSITY, NO. 4, 10TH NEYESTAN ST., PASDARAN ST., TEHRAN, IRAN
 
Abstract: 

Introduction: The success of endodontic retreatment is related to the complete removal of the obturation material from the root canal system. The aim of this study was to evaluate the efficacy of Mtwo R and ProTaper retreatment files in removing the Resilon/Epiphany system with or without chloroform during retreatment.
Materials and Methods: Sixty distal roots of first mandibular molars were prepared and laterally condensed with Resilon/Epiphany, then divided into four groups (15 each for retreatment): 1) Mtwo R/solvent; 2) Mtwo R; 3) ProTaper D/solvent; and 4) ProTaper D. The cleanliness of the canal walls was evaluated using radiography; a stereomicroscope and SEM. Data were subjected to ANOVA and Student’s t-test.
Results: Neither rotary system performed better than the other when considering the whole root canal, with or without solvent. In the apical portion, ProTaper/solvent showed the best result (P<0.05).
Conclusion: In Resilon/Epiphany retreatment cases, ProTaper/solvent was better in the apical portion; however when considering the whole canal, Mtwo R and the ProTaper D series had the same performance.

 
Keyword(s): RETREATMENT, RESILON SEALER, MTWO R, PROTAPER D SERIES
 
References: 
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