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An evaluation of apical microleakage in roots filled with thermoplastic synthetic polymer based root canal filling material (RealSeal 1 bonded obturation)

Authors: Nadine J. Adbul-rada نادين جمال عبد الرضا --- Adel F. Ibraheem عادل فرحان ابراهيم
Journal: Journal of baghdad college of dentistry مجلة كلية طب الاسنان بغداد ISSN: 16800087 Year: 2012 Volume: 24 Issue: 2 Pages: 21-26
Publisher: Baghdad University جامعة بغداد


Background: This study aimed to evaluate and compare the apical microleakage of roots canal filled with coldlateral condensation of gutta-percha, cold lateral condensation of Resilon, Thermafil and RealSeal1 bondedobturation.Materials and methods: Sixty freshly extracted maxillary first molars with straight palatal roots .Using diamond disc burwith straight hand piece and water coolant the palatal roots of teeth were sectioned perpendicular to the long axisat the furcation area. All roots were prepared with crown-down technique using hand ProTaper system (Sx-F4).Theprepared roots randomly divided into 4 groups of fifteen roots each; the groups obturated with different obturationtechnique. In Group 1 roots obturated with( lateral condensation of gutta-percha), Group 2 was obturatedwith(lateral condensation of Resilon),group3 was obturated with (Thermafil) while in group4 obturated with( RealSeal1 bonded obturation).All the samples sealed coronally and stored in normal saline at 37°C for one week ,then all theroots submerged Indian ink for one week. The roots were cleared and the degree of linear dye penetration wasmeasured in millimeter by stereomicroscope under 40X magnification with calibrated scale ocular grid.Results: The results showed that the RealSeal1 bonded obturation leaked apically significantly higher than other testgroups, while the group of lateral condensation of gutta-percha exhibited the least value of apical microleakage.Conclusion: The complete hermetic apical seal cannot be created neither with gutta-percha nor with Real Seal1bonded obturation

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