Resistance to leakage of various thicknesses of apical plugs of Bioaggregate using liquid filtration model
Corresponding Author
Betül Memiş Özgül
Department of Pediatric Dentistry, Faculty of Dentistry, Ankara University, Ankara, Turkey
Correspondence to: Betul Memis Ozgul, Department of Pediatric Dentistry, Faculty of Dentistry, Ankara University, Besevler, Ankara, Turkey
Tel.: 905363156948
e-mail: [email protected]
Search for more papers by this authorTuğba Bezgin
Department of Pediatric Dentistry, Faculty of Dentistry, Ankara University, Ankara, Turkey
Search for more papers by this authorCem Şahin
Department of Prosthodontics, Faculty of Dentistry, Hacettepe University, Ankara, Turkey
Search for more papers by this authorŞaziye Sarı
Department of Pediatric Dentistry, Faculty of Dentistry, Ankara University, Ankara, Turkey
Search for more papers by this authorCorresponding Author
Betül Memiş Özgül
Department of Pediatric Dentistry, Faculty of Dentistry, Ankara University, Ankara, Turkey
Correspondence to: Betul Memis Ozgul, Department of Pediatric Dentistry, Faculty of Dentistry, Ankara University, Besevler, Ankara, Turkey
Tel.: 905363156948
e-mail: [email protected]
Search for more papers by this authorTuğba Bezgin
Department of Pediatric Dentistry, Faculty of Dentistry, Ankara University, Ankara, Turkey
Search for more papers by this authorCem Şahin
Department of Prosthodontics, Faculty of Dentistry, Hacettepe University, Ankara, Turkey
Search for more papers by this authorŞaziye Sarı
Department of Pediatric Dentistry, Faculty of Dentistry, Ankara University, Ankara, Turkey
Search for more papers by this authorAbstract
Aim
The aim of this study was to compare the resistance to leakage of different thicknesses of Bioaggregate (BA) and 4-mm-thick white mineral trioxide aggregate (WMTA) in an apexification model using liquid filtration.
Methods
32 extracted mandibular premolar teeth were sectioned at the cemento-enamel junction and 3–4 mm from the tooth apex to obtain 12-mm-long root segments. The apical and coronal thirds were prepared with size two through six Gates Glidden burs. The teeth were divided into four groups according to material and thickness, as follows: Group 1: 2-mm BA; Group 2: 4-mm BA; Group 3: 12-mm (total length) BA; Group 4: 4-mm WMTA (control). The empty parts of the roots in Groups 1, 2, and 4 were filled with gutta-percha and root canal sealer, and leakage was measured using fluid filtration. The data were analyzed using the Kruskal–Wallis H-test.
Results
No statistical differences in microleakage were observed between Groups 1, 2, and 4 (P > 0.05). Group 3 (roots filled completely with BA) showed significantly less leakage than the other groups tested (P < 0.01).
Conclusions
The findings of this study showed that 12 mm of BA exhibited the best resistance to leakage. At the same time, 2–4 mm of BA showed similar results when compared to 4-mm MTA. In light of these results, this study suggests that BA may be a good candidate for further clinical studies when used as an apical barrier for apexification.
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