四种CAD/CAM材料的半透明性和固化方式对光固化和双固化树脂水泥聚合效率的影响。

IF 1.1 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

European Journal of Prosthodontics and Restorative Dentistry Pub Date : 2022-08-30 DOI:10.1922/EJPRD_2353Shono09

N N Shono, A Elhejazi, A Maawadh, H Al Nahedh

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引用次数: 1

摘要

目的:研究四种CAD/CAM材料和不同固化方式对树脂胶结物转化率的影响。材料和方法:采用IPS e.max CAD、Vita susuity、Vita Enamic和DD Cube X²制作光盘。用分光光度计测量半透明度。采用傅里叶变换红外光谱仪对两种树脂胶结物Variolink美学DC和LC的转化率进行了测定。对于aesthetic DC，在自我修复和双重修复模式下确定转换程度。采用方差分析、Tukey HSD检验和/Linear Regression R2对数据进行统计学分析。结果:四种材料的半透明性差异有统计学意义(P⟨0.0001)。Vita Suprinity的平均半透明率最高，其次是Vita Enamic、DD Cube X²和IPS E.max CAD。在DD Cube X²下固化的树脂胶结物转化率最高(25.22%)，而在Vita Suprinity下固化的树脂胶结物转化率最低(17.86%)。自固化模式的转化率最低(16.22%)，双固化模式的转化率最高(26.12%)。转换度与CAD/CAM材料的半透明度呈负线性关系。

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Effect of Translucency and Curing Mode of Four CAD/CAM Materials on Polymerization Efficiency of Light and Dual Cure Resin Cements.

Purpose/aim: To determine the effect of translucency of four CAD/CAM materials and different curing modes on the degree of conversion of resin cements.

Materials and methods: Disks were fabricated from IPS e.max CAD, Vita Suprinity, Vita Enamic, and DD Cube X². Translucency was measured using a spectrophotometer. The degree of conversion of two resin cements Variolink Esthetic DC and LC were measured using a Fourier transform infrared spectrometer. For Esthetic DC, the degree of conversion was determined in self-cure and dual cure modes. ANOVA, Tukey HSD test, and /Linear Regression R2 were used to statistically analyze the data.

Results: There was a significant difference in the translucency of the four materials (P ⟨ 0.0001). The mean translucency of Vita Suprinity was significantly higher, followed by Vita Enamic, DD Cube X², and IPS E.max CAD. Degree of conversion of resin cements cured under DD Cube X² had the highest values (25.22%), whereas those cured under Vita Suprinity showed the lowest values (17.86%). The self-cure mode had the lowest degree of conversion values (16.22%) and dual cure mode showed the highest values (26.12%). A negative linear relationship was found between degree of conversion and translucency of the CAD/CAM materials.

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来源期刊

European Journal of Prosthodontics and Restorative Dentistry DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

2.30

自引率

7.70%

发文量

期刊介绍： The European Journal of Prosthodontics and Restorative Dentistry is published quarterly and includes clinical and research articles in subjects such as prosthodontics, operative dentistry, implantology, endodontics, periodontics and dental materials.