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Evaluation the Quality Three Different Obturation Technique Using Multi-Slice Computed Tomography: An In-Vitro Study

Authors: Huda A. Abduallah --- Ahmed M. Jasim --- Omar B. Taha Ahmed M. Jasim
Journal: Tikrit Journal for Dental Sciences مجلة تكريت لعلوم طب الاسنان ISSN: 20731213 Year: 2014 Volume: 3 Issue: 1 Pages: 9-16
Publisher: Tikrit University جامعة تكريت


After endodontic space has been completely cleaned, shaped and disinfected, a three-dimensional obturation of this space will be the ultimate objective of endodontic therapy. With a durable three dimensional obturation any communication with the periodontium will be eliminated and prevented. The aim of this study was to use multi-slice CT scanning to determine: (i) number of voids (ii) diameter or length of voids and (iii) presence of voids at material/tissue interfaces in root canals obturated with: (a) E & Q Master (b) Lateral Condensation, and (c) Soft Core system. Thirty freshly extracted human mandibular premolar teeth were used in this study. After preparation of the root canals, the teeth were divided into three groups with 10 teeth in each groups. G1 obturated with E&Q master, G2 obturated with Lateral Condensation, and G3 was obturated with Soft Core. GuttaFlow was used as sealer for all groups. After obturation all the specimen were analyzed with multi-slice CT, the data obtained was statistically analyzed using ANOVA test followed by Duncan's multiple range test ,a value of p< 0.05 was considered statistically significant.Voids are observed in all groups, Neither technique was free of voids or perfectly smooth. Overall, the canals that obturated with E&Q master showed the lowest number of voids (3.0), whereas those obturated with lateral condensation showed the highest number (3.9) and the differences was statistically significant. The canals that obturated with Soft core showed the highest mean of voids diameter ( 0.77 mm) , whereas those obturated with E&Q master and lateral condensation had the lowest mean (0.62 mm and 0.61 mm) respectively, and the differences were statistically significant. The percentage of outer voids was higher for all techniques than the inner voids. The presence of inner voids was the highest in canals that obturated with soft core system (9.230%). Conclusion: E&Q master of obturation show the lowest number of voids. Obturation with Soft core show the highest mean of voids diameter. In all obturation techniques, the outer voids was higher than inner voids.

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