Effects of Printing Angle and Post-Curing Time on the Color and Translucency of 3D-Printed Temporary Restoration

被引:1
作者
Temizci, Tugba [1 ]
Kolus, Turkay [2 ]
机构
[1] Karamanoglu Mehmetbey Univ, Fac Dent, Dept Prosthodont, TR-70200 Karaman, Turkiye
[2] Karamanoglu Mehmetbey Univ, Fac Dent, Dept Restorat Dent, TR-70200 Karaman, Turkiye
关键词
3D printing; printing angle; post-curing time; MECHANICAL-PROPERTIES; OPTICAL-PROPERTIES; RESIN COMPOSITES; CONVERSION; STABILITY; ROUGHNESS; SURFACE; CROWN;
D O I
10.3390/biomimetics9070420
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In resins produced with a 3D printer, the printing parameters affect the properties of the restoration produced. This study examined the effect of the printing angle and post-curing time on the optical properties of temporary restorations. A total of 135 disk-shaped Formlabs temporary resins (10 x 2 mm) were produced at three different printing angles (0, 45, and 90 degrees) and post-cured for three different times (20, 40, and 60 min) (n = 15). Color and translucency measurements were taken for each group with a spectrophotometer (VITA Easyshade V). The Delta E values between printing angles and curing times influence each other. The highest color change was observed in the groups produced with a 90 degrees printing angle. Considering the post-curing times, the highest color change was observed in the groups cured for 40 min. Increasing the curing time from 20 to 40 min decreases the translucency, whereas further increasing the curing time does not significantly affect the translucency. In terms of the impact on the translucency caused by the printing angles, 0 degrees exhibited a lower translucency compared to other printing angles. During the 3D printing of temporary prostheses, both printing angles and post-curing times can affect their optical properties.
引用
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页数:11
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