原花青素对纤维桩粘接耐久性的影响

doi:10.13701/j.cnki.kqyxyj.2020.03.007

口腔医学研究 ›› 2020, Vol. 36 ›› Issue (3): 216-220.DOI: 10.13701/j.cnki.kqyxyj.2020.03.007

原花青素对纤维桩粘接耐久性的影响

王雯^1,2, 谢翠柳^1,2, 邓婷^1,2, 刘雯^1,2, 刘敏^1,2*

1. 西南医科大学附属口腔医院修复科四川泸州 646000;
2. 西南医科大学口颌面修复重建与再生实验室四川泸州 646000

收稿日期:2019-08-21 出版日期:2020-05-15 发布日期:2020-05-15
通讯作者: 刘敏,E-mail:584494011@qq.com
作者简介:王雯(1992~),女,四川南充人,硕士在读,主要从事口腔种植修复的研究工作。
基金资助:
四川省科技厅-泸州市科技局-泸州医学院联合项目(编号:14JC0122-LY51)

Effect of Procyanidins on Bonding Durability of Fiber Post

WANG Wen^1,2, XIE Cuiliu^1,2, DENG Ting^1,2, LIU Wen^1,2, LIU Min^1,2*

1. Department of Prosthodontics, the Affiliated Stomatology Hospital of Southwest Medical University, Luzhou 646000, China;
2. Oral & Maxillofacial Reconstruction and Regeneration Laboratory, Southwest Medical University, Luzhou 646000, China

Received:2019-08-21 Online:2020-05-15 Published:2020-05-15

摘要/Abstract

摘要： 目的：研究原花青素(procyanidins,PA)对纤维桩粘接耐久性的影响。方法：经根管治疗的36颗单根管前磨牙,桩道预备后随机分为4组(n=9)组,A组:6.5％PA +不老化,B组:6.5％PA +老化,C组:乙醇+不老化,D组:乙醇+老化。每组随机抽取7个样本从纤维桩的根颈、中、尖三分之一切取1 mm厚试件检测剪切粘接强度,统计并观察断裂模式。每组另2个样本进行印度墨水染色。结果：PA预处理组粘接强度高于乙醇组,差异有统计学意义(P＜0.05);PA预处理和老化的交互作用对粘接强度的影响有统计学意义(P＜0.05);根管不同部位和PA预处理的交互作用对粘接强度的影响无统计学意义(P＞0.05)。各组断裂模式以混合破坏为主。D组微渗漏最明显。结论：PA可以提高纤维桩根颈、中、尖的即刻和老化后的粘接强度。

关键词: 原花青素, 纤维桩, 粘接强度, 老化, 微渗漏

Abstract: Objective: To study the effect of procyanidins (PA) on the bonding durability of fiber post. Methods: 36 premolars with single root canal were treated by root canal therapy. After post space preparation, the premolars were randomly divided into 4 groups: A: 6.5％PA+ non-aging B: 6.5％PA +aging, C: ethanol + non-aging D: ethanol + aging. Specimens of 1mm thick slices which were used to test the shear bond strength were taken from the neck, middle, and tip of the 7 fiber post specimens from each group. Stereomicroscope and SEM were used to count and observe the failure mode. The remaining 2 samples of each group were used to conduct indian ink dyeing. Results: The bonding strength of PA pretreatment group was higher than that of ethanol group (P＜0.05). The interaction between PA pretreatment and aging on bond strength was statistically significance (P＜0.05). The interaction between different parts of root canal and PA pretreatment on bond strength had no statistically significance (P＞0.05). The failure mode was mainly mixed damage. D group presented the most apparent microleakage. Conclusion: PA can improve the bond strength and durability of the neck, middle, and tip parts of the fiber post.

Key words: procyanidins, fiber post, bond strength, aging, microleakage

王雯, 谢翠柳, 邓婷, 刘雯, 刘敏. 原花青素对纤维桩粘接耐久性的影响[J]. 口腔医学研究, 2020, 36(3): 216-220.

WANG Wen, XIE Cuiliu, DENG Ting, LIU Wen, LIU Min. Effect of Procyanidins on Bonding Durability of Fiber Post[J]. Journal of Oral Science Research, 2020, 36(3): 216-220.

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原花青素对纤维桩粘接耐久性的影响

Effect of Procyanidins on Bonding Durability of Fiber Post

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