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Sealing capacity of AH Plus and GuttaFlow biosensors

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Document pages: 8 pages

Abstract: The purpose of root canal filling is to achieve fluid sealing. Recently, GuttaFlow biosal (GB) is a root canal sealer composed of polydimethylsiloxane, gutta percha particles and bioactive glass ceramics, which is used to enhance the sealing ability of root canal filling materials. The purpose of this study is to evaluate the sealing capacity of GB using sub nano scale fluid flow measurement device and compare it with AH Plus (ah). The liquid flow in root canal filled teeth using gutta percha cone (GP) and ah (GAR; n)   =   10) or GP with GB (GBR; n)   =   10) and GP inserted into ah block (GA; n   =   10) or GP inserted into GB block (GB; n   =   10) were measured. In addition, the fluid flow in ah (a; n) seal block   =   10) and GB (B; n)   =   10) as negative contols, was measured. Root canal-filled teeth using GP without any sealer (GR) acted as positive controls (n = 10). The leakage was obtained by calculating the volume of moved water by time (s), after stabilization of the fluid flow was achieved. Statistical analysis was performed using the Kruskal–Wallis test and Mann–Whitney U-test with Bonferroni correction. A value less than 0.00238 (0.05 21) was considered significantly different. The mean leakages (nL s) in the groups are as follows: GAR, 0.0958 ± 0.0543; GBR, 0.0223 ± 0.0246; GA, 0.0644 ± 0.0803; GB, 0.0267 ± 0.0182; A, 0.0055 ± 0.0057; B, 0.0052 ± 0.005; and GR, 0.2892 ± 0.3018. The mean leakage in the GBR group was lower than that in the GAR group ( = 0.001), while the mean leakages in the GA and GB groups were not significantly different. GuttaFlow bioseal can be useful in single-cone obturation technique.

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