Study on the Establishment of Newly Developed Restorative Techniques and the Clinical Observation of CAD/CAM Systems.

1. 研究了三种类型的空腔形状对使用 Celay 和 Cerec 2 制作的嵌体修复体贴合的影响。各嵌体系统中不同空腔形式的水泥厚度存在显着差异。 2.使用带有激光源的A3-D曲面形状测量装置来测量牙模的形状。它几乎是用配备牙科电动引擎的球形SCAR机器人重建的。 3.观察并预测L 4.Cerec瓷的体外磨损量明显小于高填充复合树脂（Hybrid Ceramic）。然而，Cerec 陶瓷的对抗牙釉质磨损量大于混合陶瓷。 5. Cerec 2 组 II 类陶瓷 i nlay 修复体周围的平均骨水泥厚度为 53.8-156.1μm，实验室烧制组为 51.6-73.7μm。 6. 由 CAD/CAM 系统 (GN-1) 制造的 MOD 树脂嵌体的边缘适应性变得可以接受，因为它们遵循 7. 在仅使用圆盘的研磨方法中，Cerec 2 层压单板周围的边缘水泥厚度为 277μm，但使用圆盘和车针的研磨方法为 247μm。 9. 材料的聚合收缩和热尺寸变化对Cerec嵌体的适应性产生较大影响。 10.随着树脂水泥膜厚度的增加，磨损深度趋于增加。粘合剂系统的使用显着降低了树脂水泥的磨损率。 11. Cerec 嵌体修复体的六年临床观察显示，临床检测到 15 例中的 7 例和 15 例中的 5 例分别有树脂水门汀和相对牙釉质牙尖的磨损。较少的

1. The effect of the three types of cavity forms on the fit of the inlay restorations fabricated with Celay and Cerec 2 was investigated. There were significant differences of the cement thickness among cavity forms in each inlay system. 2. A3-D curved shape measurement apparatus with a laser source was used in the measurement of the shape of the dental cast. It was nearly reconstructed by using the spherical SCAR robot equipped with a dental electric engine. 3. Observed and predicted L ィイD1*ィエD1and bィイD1*ィエD1 exhibited higher value than aィイD1*ィエD1 value when the thickness of Celey porcelain blocks was changed. The application of Kubelka-Munk equation was able to predict color of porcelain. 4. The in vitro wear amount of Cerec porcelain was signifiantly less than that of highly filler-loaded composite resin (Hybrid Ceramic). However, the wear amount of antagonistic enamel was greater for Cerec porcelain than that of Hybrid Ceramic. 5. The mean cement thickness around Class II ceramic i … More nlay restorations was 53.8-156.1μm for the Cerec 2 group and 51.6-73.7μm for the laboratory-fired group. 6. The marginal adaptability of MOD resin inlays fabricated by a CAD/CAM system (GN-1) became acceptable as they were followed with the adjustment of spacer application. 7. The marginal leakage values on the Class II combination restorations of Cerec and composite resin were comparative to those of Cerec single inlay restorations as the cervical dentin margin. 8. The mean cement thickness around the Cerec 2 laminate veneer was 277μm in the grinding method with only the disk, but 247μm with the disk and bur. 9. Polymerization shrinkage and thermal dimensional change of the luting materials brought about large effect on the adaptation of the Cerec inlays. 10. The depth of wear tended to increase, as the film thickness of resin cement increased. The usage of an adhesive system significantly reduced the wear rate of resin cement. 11. Six-year clinical observation of Cerec inlay restorations showed that wear of resin cement and opposing enamel cusp was clinically detected in 7 of 15 cases and in 5 of 15 cases respectively. Less