RADIOPACITY ANALYSIS OF SOME CHAIRSIDE COMPUTER-AIDED DESIGN-COMPUTER-AIDED MANUFACTURING MILLING MATERIALS

被引：1

作者：

Varvara, Adrian Mina ^{[1
]}

Gasparik, Cristina ^{[1
]}

Culic, Bogdan ^{[1
]}

Bondor, Cosmina Ioana ^{[2
]}

Varvara, Elena Bianca ^{[1
]}

Furtos, Gabriel ^{[3
]}

Moldovan, Marioara ^{[3
]}

Dudea, Diana ^{[1
]}

机构：

[1] Iuliu Hatieganu Univ Med & Pharm, Dept Prosthet Dent & Dent Mat, Fac Dent Med, Cluj Napoca, Romania

[2] Iuliu Hatieganu Univ Med & Pharm, Dept Informat & Biostat, Fac Med, Cluj Napoca, Romania

[3] Babes Bolyai Univ, Raluca Ripan Inst Res Chem, Cluj Napoca, Romania

来源：

STUDIA UNIVERSITATIS BABES-BOLYAI CHEMIA | 2019年 / 64卷 / 01期

关键词：

CAD-CAM; chairside; milling materials; radiopacity; COMPOSITES; RESTORATIONS; RADIOGRAPHS; CARIES;

D O I：

10.24193/subbchem.2019.1.13

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this study, the radiopacity of chairside Computer-Aided Design-Computer-Aided Manufacturing (CAD-CAM) milling materials was evaluated in comparison with dental structures. 105 specimens of 7 different thicknesses from 5 different types of chairside CAD-CAM milling materials: feldspar ceramic, hybrid ceramic, lithium disilicate glass-ceramic, zirconia-reinforced lithium silicate ceramic and a resin nano-ceramic were used for this in vitro study. Digital radiographs were obtained using an aluminum step wedge, a specimen of a tooth slice and 3 specimens from each material. Radiodensity was determined for each material using dedicated software. Lava Ultimate and Vita Suprinity were found as having higher radiopacity, whilst Vita Mark II and Vita Enamic were lower in radiopacity in comparison with dental structures. The radiodensity of Emax CAD was between enamel and dentine. Radiopacity of each CAD-CAM milling material was different and both material's type and thickness significantly affected the radiopacity.

引用

页码：161 / 172

页数：12

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