Özyürek Tahaa, Keskin Neslihan Büşrab, Aydın Zeliha Uğurc
aBahçeşehir University, Faculty of Dentistry, Department of Endodontics, Istanbul, Turkey
bYıldırım Beyazıt University, Faculty of Dentistry, Department of Endodontics, Ankara, Turkey
cBolu Abant Izzet Baysal University, Faculty of Dentistry, Department of Endodontics, Bolu, Turkey
Summary
Background/Aim: To evaluate void volumes in oval-shaped root canals obturated with three different obturation systems using microcomputed tomography (micro-CT). Material and Methods: Twenty-four distal roots of mandibular molar teeth canals were prepared and randomly divided into three groups (n = 8 in each group). The canals were obturated using single cone (SC), GuttaCore (GC), and warm vertical compaction (WVC) techniques. Each specimen was scanned using a micro-CT device. The volumes of the voids were calculated, and the data were statistically analyzed using a one-way analysis of variance and post hoc Tukey’s (P < .05). Results: The void volumes in the WVC group were significantly lower than those in the other groups (P < .05). When different root canal parts were examined, the void volumes increased significantly from the apical to the coronal level in the GC and SC groups (P < .05). In the WVC group, most voids were observed in the middle part (P < .05), whereas there was no significant difference in void volumes in the coronal and apical parts (P > .05). Conclusions: None of the systems provided void-free root filling. However, the void volume using the WVC system was significantly lower than that observed using the other systems.
Keywords: Filling Quality; Void; GuttaCore; Single Cone; Warm Vertical Compaction
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Balkan Journal of Dental Medicine, 2022, vol. 26, br. 2, str. 100-105