Clinical effects of glass-fiber posts with different surface treatments on the restoration of tooth defects

doi:10.3969/j.issn.2095-4344.0750

Abstract

Abstract:

BACKGROUND: Most current studies on the surface treatment of fiber posts are in vitro experiments aiming to simulate oral conditions, but it is impossible to simulate the actual conditions of oral environment. Therefore, clinical studies on the adhesion effects of fiber posts with various surface treatments are of great importance.

OBJECTIVE: To evaluate the clinical effect of four different surface treatments of glass-fiber posts on the restoration of tooth defects.

METHODS: A total of 178 patients (201 teeth) with dental defect who were treated by root canal treatment and scheduled for crown repair were randomly divided into four groups according to the surface treatment of fiber posts: no surface treatment in group A (n=51) was performed before bonding; group B (n=51) was restored with glass-fiber posts sandblasted before bonding; group C (n=53) was treated with hydrogen peroxide solution on the surface of the fiber post before bonding; and group D (n=46) was treated with silane coupling agent on the surface of the fiber post before bonding. Clinical follow-up to observe the restorative effect was done for 3 months to 2 years after restoration．

RESULTS AND CONCLUSION: The success rate of dental restoration in groups B and C was significantly higher than that in groups A and D (P < 0.05), but there was no significant difference between groups B and C as well as between groups A and D (P > 0.05). The failure in dental restoration mainly resulted from root fracture, loosening and fracture of the post core. The incidence of root fracture, post core loosening and fracture, however, showed no difference among the four groups (P > 0.05). The survival rate of the patient’s restorative effect in groups B and C was better than that in group A (P < 0.05), and there was no significant difference in the survival rate of the patient's restorative effect between groups A and D as well as between groups B and C (P > 0.05). Overall findings indicate that the surface treatment of fiber posts with sandblasting or hydrogen peroxide solution significantly improves the clinical restoration of tooth defects and reduces the failure rate of glass-fiber posts.

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

Key words: Dental Prosthesis, Post and Core Technique, Tissue Engineering

CLC Number:

R318

Shen Lin, Wang Ting-ting, Yu Shu-ling, Zhang Fang . Clinical effects of glass-fiber posts with different surface treatments on the restoration of tooth defects[J]. Chinese Journal of Tissue Engineering Research, 2018, 22(22): 3485-3490.

Figures/Tables 7

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