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数字化印模技术与传统印模技术制作的铸造金冠适合性比较。

Comparison of the fit of cast gold crowns fabricated from the digital and the conventional impression techniques.

作者信息

Yun Mi-Jung, Jeon Young-Chan, Jeong Chang-Mo, Huh Jung-Bo

机构信息

Department of Prosthodontics, School of Dentistry, Pusan National University, Yangsan, Republic of Korea.

出版信息

J Adv Prosthodont. 2017 Feb;9(1):1-13. doi: 10.4047/jap.2017.9.1.1. Epub 2017 Feb 7.

DOI:10.4047/jap.2017.9.1.1
PMID:28243386
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5321583/
Abstract

PURPOSE

The purpose of this study was to compare the fit of cast gold crowns fabricated from the conventional and the digital impression technique.

MATERIALS AND METHODS

Artificial tooth in a master model and abutment teeth in ten patients were restored with cast gold crowns fabricated from the digital and the conventional impression technique. The forty silicone replicas were cut in three sections; each section was evaluated in nine points. The measurement was carried out by using a measuring microscope and I-Soultion. Data from the silicone replica were analyzed and all tests were performed with α-level of 0.05.

RESULTS

  1. The average gaps of cast gold crowns fabricated from the digital impression technique were larger than those of the conventional impression technique significantly. 2. In marginal and internal axial gap of cast gold crowns, no statistical differences were found between the two impression techniques. 3. The internal occlusal gaps of cast gold crowns fabricated from the digital impression technique were larger than those of the conventional impression technique significantly.

CONCLUSION

Both prostheses presented clinically acceptable results with comparing the fit. The prostheses fabricated from the digital impression technique showed more gaps, in respect of occlusal surface.

摘要

目的

本研究的目的是比较采用传统印模技术和数字印模技术制作的铸造金冠的适合性。

材料与方法

用数字印模技术和传统印模技术制作的铸造金冠修复主模型中的人工牙和10例患者的基牙。将40个硅橡胶复制件切成三段；每段在九个点进行评估。使用测量显微镜和I-Soultion进行测量。对硅橡胶复制件的数据进行分析，所有测试的α水平为0.05。

结果

  1. 采用数字印模技术制作的铸造金冠的平均间隙明显大于采用传统印模技术制作的铸造金冠。2. 在铸造金冠的边缘和内部轴向间隙方面，两种印模技术之间未发现统计学差异。3. 采用数字印模技术制作的铸造金冠的内部咬合间隙明显大于采用传统印模技术制作的铸造金冠。

结论

比较适合性时，两种修复体在临床上均呈现可接受的结果。就咬合面而言，采用数字印模技术制作的修复体显示出更多间隙。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/54003da6e5ed/jap-9-1-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/2f176bca5520/jap-9-1-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/2019fbe13a7e/jap-9-1-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/46e2188a4c90/jap-9-1-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/21dfb71b9321/jap-9-1-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/6381eaaecf4d/jap-9-1-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/2b1f03fee99b/jap-9-1-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/648a43da02ba/jap-9-1-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/9e84f4c5fbd7/jap-9-1-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/54003da6e5ed/jap-9-1-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/2f176bca5520/jap-9-1-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/2019fbe13a7e/jap-9-1-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/46e2188a4c90/jap-9-1-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/21dfb71b9321/jap-9-1-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/6381eaaecf4d/jap-9-1-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/2b1f03fee99b/jap-9-1-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/648a43da02ba/jap-9-1-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/9e84f4c5fbd7/jap-9-1-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/015c/5321583/54003da6e5ed/jap-9-1-g009.jpg

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