2种种植修复制作工艺的Ti-base基台一体冠用于口腔种植单冠修复精度的研究

doi:10.19439/j.sjos.2022.04.015

上海口腔医学 ›› 2022, Vol. 31 ›› Issue (4): 414-417.doi: 10.19439/j.sjos.2022.04.015

2种种植修复制作工艺的Ti-base基台一体冠用于口腔种植单冠修复精度的研究

曹伟玉¹, 曹捷¹, 刘宾益², 徐舟^1#, 陆卫青^3#

1.上海市普陀区眼病牙病防治所口腔修复科,2.预防科,3.牙周病科,上海 200060

收稿日期:2022-05-13 修回日期:2022-05-29 出版日期:2022-08-25 发布日期:2022-08-30
通讯作者: 徐舟,E-mail:1249308781@qq.com;陆卫青,E-mail:luweiqing0808@163.com。^#共同通信作者
作者简介:曹伟玉（1986-）,女,本科,主管技师,E-mail:cweiyu0316@126.com
基金资助:
上海市普陀区卫生健康系统科技创新项目（ptkwws202012）

Comparative study on the accuracy of implant-borne single restoration by two production processes with Ti-base

CAO Wei-yu¹, CAO Jie¹, LIU Bin-yi², XU Zhou¹, LU Wei-qing³

1. Department of Prosthodontics, 2. Department of Preventive Dentistry, 3. Department of Periodontics, Dental and Ophthalmic Clinic of Putuo District. Shanghai 200060, China

Received:2022-05-13 Revised:2022-05-29 Online:2022-08-25 Published:2022-08-30

摘要/Abstract

摘要： 目的: 比较2种工艺制作的Ti-base基台一体冠的精度,为单牙种植修复工艺的选择提供实验依据。方法: 选择就诊于上海市普陀区眼病牙病防治所口腔种植科的30例单颗后牙缺失患者,临床进行传统印模,得到装有种植体替代体的石膏模型。每个患者取2个模型,按照制作工艺不同分为2组,实验组为安装扫描杆进行扫描,对照组为安装Ti-base基台直接扫描。将2组修复冠沿颊舌向剖开,利用电镜观察测量点与Ti-Base基台之间的距离。利用万能测力仪的加载力,通过接触氧化锆牙冠传递至基台及替代体处,观察氧化锆冠所能承载最大力量。采用SPSS 22.0软件包对数据进行统计学分析。结果: 实验组冠与Ti-base基台缝隙大小显著小于对照组（P<0.05）;2组Ti-base基台一体冠中氧化锆的抗压强度相比,实验组的抗压强度与对照组接近,无统计学差异（P>0.05）。结论: 安装扫描杆转移种植体位置到数字化修复软件中,比直接用扫描仪获得Ti-base基台相关数据信息更为精确可靠,加工制造的修复冠精密度和稳定度更高,推荐在口腔种植修复工艺中应用。

关键词: 口腔种植数字化修复工艺, 单牙种植冠修复, 扫描杆, Ti-base 基台一体冠

Abstract: PURPOSE: To study on the accuracy of implant-borne single restoration by two production processes with Ti-base to provide experimental data for proper processes of single implant-borne restoration. METHODS: Thirty patients were selected with single posterior teeth missing from the Department of Oral Implantology of Shanghai Putuo District Eye Disease and Dental Disease Prevention and Treatment Institute. The patients were taken 2 traditional impressions clinically for two plaster model equipped with implant analogue. These models were then divided into 2 groups according to different production processes. The experimental group was scanned with the scan body installed in the model implant analogue, while the control group was scanned directly on the Ti-base abutment installed in the model implant analogue. The implant-borne single restorations of the two groups were cut along the buccal-lingual side and the distance between the measuring point to the Ti-Base abutment was observed by electron microscopy. In addition, the breaking limit of zirconia crown was observed, universal test machine was used to load direct force to the crown. SPSS 22.0 software package was used for data analysis. RESULTS: The gap between the implant-borne single restoration to the Ti-base abutment of the experimental group was significantly smaller than that of the control group. The difference between the two groups was statistically significant (P<0.05). However, by testing the breaking limit of zirconia crown, there was no significant difference(P>0.05). CONCLUSIONS: Using scan body to transfer the implant position and Ti-base abutment data information to the digital dental design software is more accurate and reliable than directly scanning the Ti-base on the model analogue. Using scan body is recommended for processing and manufacture of implant-borne singe restoration.

Key words: Digital dental prosthetic technology of implant dentistry, Implant-borne single prosthesis, Scan body, Ti-base abutment integrated crown

中图分类号:

R783.2

曹伟玉, 曹捷, 刘宾益, 徐舟, 陆卫青. 2种种植修复制作工艺的Ti-base基台一体冠用于口腔种植单冠修复精度的研究[J]. 上海口腔医学, 2022, 31(4): 414-417.

CAO Wei-yu, CAO Jie, LIU Bin-yi, XU Zhou, LU Wei-qing. Comparative study on the accuracy of implant-borne single restoration by two production processes with Ti-base[J]. Shanghai Journal of Stomatology, 2022, 31(4): 414-417.

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2种种植修复制作工艺的Ti-base基台一体冠用于口腔种植单冠修复精度的研究

Comparative study on the accuracy of implant-borne single restoration by two production processes with Ti-base

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