Apical micro-leakage after apical barrier using mineral trioxide aggregate

doi:10.3969/j.issn.2095-4344.2016.03.014

Abstract

Abstract:

BACKGROUND: Because of its good sealing property and biocompatibility, mineral trioxide aggregate can promote the regeneration of bone tissue, induce the differentiation of periodontal cells. and reduce the apical micro-leakage.
OBJECTIVE: To compare the micro-leakage of hot gutta-percha filling after mineral trioxide aggregate apical barrier and continuous hot gutta-percha filling techniques.
METHODS: Totally 36 in vitro single root canal molars were selected and randomly divided into experimental and control groups. In the experimental group, mineral trioxide aggregate apical barrier was conducted, and then hot gutta-percha root canal filling was conducted after operation. Continuous wave of hot gutta-percha root canal filling was conducted in the control group. The apical micro-leakage was detected by glucose oxidase method.
RESULTS AND CONCLUSION: The root canals were successfully and tightly sealed in these two groups. The apical micro-leakage gradually increased with the time. In the experimental group, the apical micro-leakage values at 1, 7, 14, 21 and 28 days of filling were all significantly lower than those in the control group (P < 0.05). These results demonstrate that hot gutta-percha root canal filling has a relatively good apical sealing effect after the mineral trioxide aggregate apical barrier, and can significantly reduce micro-leakage.

中国组织工程研究杂志出版内容重点：生物材料；骨生物材料; 口腔生物材料; 纳米材料; 缓释材料; 材料相容性；组织工程

Li Hao-bo, Du Yong. Apical micro-leakage after apical barrier using mineral trioxide aggregate[J]. Chinese Journal of Tissue Engineering Research, 2016, 20(3): 382-386.

Figures/Tables 2

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