Journal of Oral Health and Oral Epidemiology

Journal of Oral Health and Oral Epidemiology

Comparison of transportation and centering ability using RECIPROC and iRace: A cone-beam computed tomography study

Document Type : Original Article(s)

Authors
Bahareh Dadresanfar 1
Nahid Mohammadzadeh-Akhlaghi 2
Shahriar Shahab 3
Shima Shahbazian 4
Masoud Parirokh 5
1 Assistant Professor, Department of Endodontics, Tehran Dental Branch, Islamic Azad University, Tehran, Iran
2 Associate Professor, Cranio-Maxillo-Facial Research Center AND Department of Endodontics, Tehran Dental Branch, Islamic Azad University, Tehran, Iran
3 Assistant Professor, Department of Oral and Maxillofacial Radiology, School of Dentistry, Shahed University, Tehran, Iran
4 Private Practice, Tehran, Iran
5 Professor, Endodontology Research Center AND Neuroscience Research Center, Kerman University of Medical Sciences, Kerman, Iran
Abstract
BACKGROUND AND AIM: Root canal treatment, especially in curved and constricted root canals, can be very difficult and time consuming. Several investigations have compared the reciprocating and full sequence motions in terms of shaping ability. The purpose of the present study was to compare the root canal transportation and centering ability of RECIPROC and iRace using cone-beam computed tomography (CBCT).METHODS: Thirty-two mesiobuccal (MB) root canals of maxillary first molars with curvature ranged 25-40 degrees were selected. Pre-instrumentation CBCT images were captured at 2, 4 and 6 mm distances from the root apex. Thirty samples were randomly divided into two groups (n = 15). After root canal preparation using either iRace or RECIPROC #25, post-instrumentation CBCT images were obtained at the same levels. Two specimens served as control group. Pre- and post-CBCT images were evaluated to measure root canal transportation and centering ability. Mann-Whitney and Friedman tests were used for statistical analysis.RESULTS: There was no significant difference between the groups (P > 0.05).CONCLUSION: iRace and RECIPROC maintained original root canal geometry and may be safe to be used in curved root canals.
Keywords
Cone-beam computed Tomography
Root Canal Preparation
Transportation
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  • Receive Date 22 September 2016
  • Accept Date 12 March 2019