芯层复合材料与玻璃纤维增强桩的粘接

IF 0.5 Q4 DENTISTRY, ORAL SURGERY & MEDICINE
Margarita Fragkouli, I. Tzoutzas, G. Eliades
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引用次数: 2

摘要

本研究的目的是研究具有不同冠状形态的预制玻璃纤维增强桩与复合核心构筑材料的结合能力。选择了5种不同固化方式(光固化、自固化、双固化)的桩型(archmede Line (ARL)、Fibrekleer (FBK)、Glassix (GLX)、Matrix Plus (MTP)和ParaPost White (PRW))和3种堆芯材料(ClearfilPhoto core (CPC)、ClearfilDC core (CDC)、ClearfilNew Bond (CNB))。冠状部分埋入核心堆砌材料中,试件承受拉伸载荷直至破坏。采用威布尔统计法对脱粘力的可靠性(β)和特征寿命(σο, Ν)进行了评价,并对脱粘试样进行了失效模式分析。结果表明,尽管使用了堆芯材料,但ARL、MPT桩的固位率最高,GLX桩的固位率最低。CPC提供了最高的四个职位(FBK, GLX, MTP和PRW),与CDC的两个职位(FBK和MTP)和CNB的一个职位(PRW)相比,差异无统计学意义。CPC和CDC是两个位点(ARL和PRW)最可靠的核心材料,与CNB在三个位点(FBK、GLX和MTP)上无统计学差异。GLX和PRW显示出最高的(93%)后脱离核心的发生率,而FBK显示出最高的核心材料骨折百分比,大多数骨折发生在CDC(57%)。MTP合并CNB后骨折最为突出。由于冠状位的脱层,冠状位保留特征的存在并不能保证核心材料强度的增加。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Bonding of Core Build-Up Composites with Glass Fiber-Reinforced Posts
The purpose of this study was to investigate the bonding capacity of composite core build-up materials with prefabricated glass fiber-reinforced posts possessing different coronal morphologies. Five post types (Archimede Line (ARL), Fibrekleer (FBK), Glassix (GLX), Matrix Plus (MTP), and ParaPost White (PRW) and three core build-up materials (ClearfilPhoto Core (CPC), ClearfilDC Core (CDC), ClearfilNew Bond (CNB) of different curing modes (light-, self-, dual-cured respectively) were selected. The coronal part was embedded in the core build-up materials and the specimens were loaded under tensile force up to failure. The reliability (β) and characteristic life (σο, in Ν) of the debonding force were evaluated by Weibull statistics and the debonded specimens were subjected to failure mode analysis. The results showed that ARL, MPT posts were the most and GLX the least retentive, despite the core build-up material used. CPC provided the highest retention with four posts (FBK, GLX, MTP, and PRW), without statistically significant differences from CDC in two (FBK and MTP) and CNB in one (PRW). CPC and CDC were the most reliable core materials for two posts (ARL and PRW), with no statistically significant difference from CNB in three (FBK, GLX, and MTP). GLX and PRW demonstrated the highest (93%) incidence of post detachment from core, whereas FBK demonstrated the highest percentage of core material fracture, with most fractures occurring in CDC (57%). Post fractures were most prominent in MTP when combined with CNB. The presence of specific coronal retentive features did not essentially ensure increased strength with the core material, due to their delamination.
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来源期刊
Open Dentistry Journal
Open Dentistry Journal DENTISTRY, ORAL SURGERY & MEDICINE-
CiteScore
2.00
自引率
0.00%
发文量
86
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