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通过设置排气孔改良两步印模法：技术报告

Modified Two-Step Impressions via the Incorporation of Venting Holes: A Technical Report.

作者信息

Alqutaibi Ahmed Yaseen, Hamadallah Hatem Hazzaa, Rahhal Mohamed M, Ibrahim Wafaa Ibrahim

机构信息

Substitutive Dental Sciences (Prosthodontics), College of Dentistry, Taibah University, Al-Madinah Al-Munawwarah, SAU.

Prosthodontics, College of Dentistry, Ibb University, Ibb, YEM.

出版信息

Cureus. 2024 Jul 16;16(7):e64642. doi: 10.7759/cureus.64642. eCollection 2024 Jul.

DOI:10.7759/cureus.64642
PMID:39149667
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11325460/
Abstract

This study presents a methodology for obtaining a precise impression of the crown margin of prepared teeth by utilizing a two-step impression technique. The method begins with the fabrication of a custom tray made from heat-cured acrylic resin, followed by the acquisition of an initial impression using putty elastomeric material. Subsequently, the impression is relieved around the prepared teeth, and vent holes are strategically placed through both the impression and the tray. Finally, a light-body consistency impression material is applied. This streamlined technique enhances efficiency and minimizes the errors commonly encountered with traditional two-step impression methods.

摘要

本研究提出了一种通过使用两步印模技术来获得预备牙齿牙冠边缘精确印模的方法。该方法首先制作由热固化丙烯酸树脂制成的定制托盘，然后使用糊剂型弹性材料获取初始印模。随后，在预备牙齿周围对印模进行减压，并在印模和托盘上策略性地设置排气孔。最后，应用轻体稠度的印模材料。这种简化的技术提高了效率，并将传统两步印模方法中常见的误差降至最低。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6989/11325460/c97c288f6df6/cureus-0016-00000064642-i04.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6989/11325460/ece2a074170b/cureus-0016-00000064642-i01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6989/11325460/1c97f12cbf77/cureus-0016-00000064642-i02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6989/11325460/b3cc87a53b4c/cureus-0016-00000064642-i03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6989/11325460/c97c288f6df6/cureus-0016-00000064642-i04.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6989/11325460/ece2a074170b/cureus-0016-00000064642-i01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6989/11325460/1c97f12cbf77/cureus-0016-00000064642-i02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6989/11325460/b3cc87a53b4c/cureus-0016-00000064642-i03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6989/11325460/c97c288f6df6/cureus-0016-00000064642-i04.jpg

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本文引用的文献

1
Evaluation of One- and Two-Step Impression Techniques and Vertical Marginal Misfit in Fixed Prothesis.固定修复中一步法和两步法印模技术及垂直边缘不密合性的评估
Int J Dent. 2023 Feb 21;2023:9898446. doi: 10.1155/2023/9898446. eCollection 2023.
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Accuracy of Single-Step versus 2-Step Double-Mix Impression Technique.单步与两步双重混合印模技术的准确性
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Dimensional accuracy of resultant casts made by a monophase, one-step and two-step, and a novel two-step putty/light-body impression technique: an in vitro study.
单相、一步法和两步法以及一种新型两步法油泥/轻体印模技术制作的最终模型的尺寸精度：一项体外研究。
J Prosthet Dent. 2008 Apr;99(4):274-81. doi: 10.1016/S0022-3913(08)60061-X.
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