Comparative study of the difference in making complete denture between non-pressure preliminary impression and traditional preliminary impression

Peng Tao; Zhang Yang; Yin Dongqing

doi:10.13406/j.cnki.cyxb.001357

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Comparative study of the difference in making complete denture between non-pressure preliminary impression and traditional preliminary impression

更新时间：2024-01-17

- Comparative study of the difference in making complete denture between non-pressure preliminary impression and traditional preliminary impression
- Journal of Chongqing Medical University Vol. 42, Issue 9, Pages: 1087-1090(2017)
- 作者机构：
  
  1. 重庆市黔江中心医院口腔科
  2. 重庆医科大学附属口腔医院修复科
- 作者简介：
- 基金信息：
- DOI：10.13406/j.cnki.cyxb.001357
  CLC： R783.6
- Published：2017，
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Peng Tao, Zhang Yang, Yin Dongqing. Comparative study of the difference in making complete denture between non-pressure preliminary impression and traditional preliminary impression. [J]. Journal of Chongqing Medical University 42(9):1087-1090(2017)
DOI：

Peng Tao, Zhang Yang, Yin Dongqing. Comparative study of the difference in making complete denture between non-pressure preliminary impression and traditional preliminary impression. [J]. Journal of Chongqing Medical University 42(9):1087-1090(2017) DOI： 10.13406/j.cnki.cyxb.001357.

摘要

目的:比较无压力初印模技术与传统初印模技术制取出下颌初模型边缘与内、外斜线的距离及磨牙后垫的形态。方法:20名无牙颌志愿者分别使用无压初印模和传统初印模2种技术为同一志愿者制作2副试验用初模型

分别测量模型内斜线、外斜线到模型边缘的距离及观测磨牙后垫的形态。结果:无压力印模组初模型边缘至内斜线的距离(2.33±0.83)mm比压力组(2.70±0.72)mm明显减小

至外斜线的距离(4.37±0.87)mm比压力组(4.41±0.70)mm也明显减小;其差异具有统计学意义(P=0.000)。无压印模技术制取的初印模磨牙后垫的形变小于传统印模技术。结论:无压初印模制取的初模型边缘伸展更合适

更有利于全口义齿的下一步制作

是值得在临床中推广的技术。

Abstract

Objective:To compare the difference in distance of the eternal oblique ridges

mylohyoid ridges of lower preliminary casts and the shape of retromolar pad between non-pressure preliminary impression and traditional preliminary impression. Methods:Twenty patients were chosen to treat with two kinds of preliminary impression through non-pressure preliminary impression and traditional preliminary impression. The distance of the eternal oblique ridges and mylohyoid ridges of lower preliminary casts was measured

and the shape of the retromolar pad was observed. Results:There were significant differences in the distance of the eternal oblique ridges and mylohyoid ridges and in the shape of the retromolar pad between the two techniques（P<0.01）. Conclusion:Non-pressure impression can get stretch more appropriate casts

which is superior to traditional impression in making complete denture.

关键词

全口义齿初印模解剖标志

Keywords

Complete denturepreliminary impressionanatomic landmark

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