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Study on relationship between bent angles of dental fiber reinforced composites posts and their flexural properties
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF STOMATOLOGY
- Issue:
- 6
- DOI:
- 10.3760/j.issn:1002-0098.2006.06.004
- Key Word:
- 桩核技术;复合树脂类;玻璃纤维
Abstract： 目的研制一套具有不同弯曲角度的牙科纤维增强复合材料(FRC)桩钉,探讨弯曲角度对FRC桩钉性能的影响.方法自行设计一套金属模具,利用该模具制作一套弯曲角度分别为5°、10°、15°的FRC弯钉.三点挠曲实验比较不同弯曲度的FRC弯钉与FRC直钉的挠曲强度和挠曲模量.结果15°FRC弯钉的挠曲性能低于5°、10°及直钉,差异均有统计学意义(P＜0.05),其余各组FRC桩钉的挠曲性能,差异无统计学意义(P＞0.05).结论自制FRC桩钉的弯曲角度在0°、5°、10°时,其对材料力学性能影响较小.
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