Effect of different root canal cleaning methods on root canal dentin microleakage

doi:10.3969/j.issn.2095-4344.2014.47.027

Abstract

Abstract:

BACKGROUND: Microleakage between restoration, tooth structure and bonding agent can cause the entry of bacteria and liquid in the mouth into the gap, thereby damaging the bonding interface between the restoration and tooth tissues, and leading to bond failure. Microleakage detection can directly show whether the closure of the root canal of post and core system is good or bad. The severity of microleakage directly affects the restorative effects of post and core.
OBJECTIVE: To evaluate the effects of different root canal cleaning methods on the microleakage between the fiber post and root canal dentin.
METHODS: Thirty fresh non-caries premolar posts with free root canal in vitro were randomly divided into five groups, and the root canal wall was respectively washed with saline, 5.25% sodium hypochlorite solution+17% ethylenediamine tetra-acetic acid (EDTA)+saline, 3% hydrogen peroxide solution+5.25% sodium hypochlorite+ saline, 3% hydrogen peroxide solution+2% chlorhexidine solution+saline, and 2% chlorhexidine solution+17% EDTA+saline in different groups. Super-bond C&B adhesive agent was used for bonding fiber post, and the microleakage of each sample was observed under stereomicroscope.
RESULTS AND CONCLUSION: The severity of microleakage in the all groups was ranged as follows: saline group > 3% hydrogen peroxide solution+5.25% sodium hypochlorite+saline group > 5.25% sodium hypochlorite solution+17% EDTA+saline and 3% hydrogen peroxide solution+2% chlorhexidine solution+saline groups > 2% chlorhexidine solution+17% EDTA+saline group.

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

全文链接：

Key words: dental prosthesis, dentin-bonding agents, dentin

CLC Number:

R318

Gao Shi-jun, Li Wen-wen, Tan Xiao-li, Jia Xiao-ke, Xiao Yuan-yuan, Wang Dong-xia, Hou Yu-ze, Huang Yan-jun, Jiang Jia-zhen. Effect of different root canal cleaning methods on root canal dentin microleakage[J]. Chinese Journal of Tissue Engineering Research, 2014, 18(47): 7697-7701.

Figures/Tables 1

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