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使用丙烯酸定制的X射线定位支架进行长期随访研究。

Using acrylic customized X-ray positioning stents for long-term follow-up studies.

作者信息

Sadek Sherif Aly, Abbas Hisham Mohamed, Alfelali Moayad, Almahdali Abdulaziz

机构信息

Department of Prosthodontics, Faculty of Oral and Dental Medicine, Cairo University, Egypt.

Department of Prosthodontics, Alfarabi Private College for Dentistry and Nursing, Jeddah, Saudi Arabia.

出版信息

Saudi Dent J. 2020 Mar;32(3):120-128. doi: 10.1016/j.sdentj.2019.10.001. Epub 2019 Oct 15.

DOI:10.1016/j.sdentj.2019.10.001
PMID:32180668
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7063427/
Abstract

OBJECTIVES

Long-term assessment of teeth, dental implants, and their corresponding structures is vital to obtain more data concerning the achievement or disappointment of different treatment modalities in clinical situations.

AIM

This report aimed to verify the usage of customized X-ray positioning stents suitable for long-term follow-up studies.

MATERIAL AND METHODS

Two acrylic stents were compared. An X-ray positioning device was built by the incorporation of a bite piece within an acrylic hard nightguard stent and a conventional acrylic film holder were fabricated for 20 patients. Four radiographs were taken of each patient (two of each film holder) at the initial time and after 3 months. Specific linear measurements of the premolar diameter (CEJ width) and the height between the CEJ and the apex were made of all of the radiographs to determine the reproducibility and accuracy of the procedure.

RESULTS

The customized X-ray positioning positing stent showed a slight increase in the mean difference of the measurements of the value of the real ratio, demonstrating that the measurements were precise and reliable images of the premolars. The acrylic film holder showed a significant difference in the measurements of the value of the real ratio, indicating unreliable images of the premolars.

CONCLUSION

The device provided reliable linear measurements and produced reproducible images suitable for studies depending on the follow-up analysis.

摘要

目的

对牙齿、牙种植体及其相应结构进行长期评估，对于获取更多关于不同治疗方式在临床情况下成功或失败的数据至关重要。

目的

本报告旨在验证适用于长期随访研究的定制X射线定位支架的用途。

材料与方法

比较了两种丙烯酸支架。通过在丙烯酸硬夜用护齿支架内并入咬块构建了一个X射线定位装置，并为20名患者制作了传统的丙烯酸胶片夹。在初始时和3个月后，为每位患者拍摄四张X光片（每个胶片夹两张）。对所有X光片进行前磨牙直径（牙骨质牙釉质界宽度）以及牙骨质牙釉质界与根尖之间高度的特定线性测量，以确定该程序的可重复性和准确性。

结果

定制的X射线定位支架在实际比例值测量的平均差异上略有增加，表明测量结果是前磨牙的精确且可靠图像。丙烯酸胶片夹在实际比例值测量上显示出显著差异，表明前磨牙图像不可靠。

结论

该装置提供了可靠的线性测量，并产生了适用于基于随访分析的研究的可重复图像。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db5b/7063427/655711de5408/gr8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db5b/7063427/ee920bee7ae4/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db5b/7063427/bf067f427bec/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db5b/7063427/5771c49b6ee5/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db5b/7063427/13c87565ecd8/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db5b/7063427/81874fe42a07/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db5b/7063427/4ffe3672e756/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db5b/7063427/88d09f8ae1f3/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db5b/7063427/655711de5408/gr8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db5b/7063427/ee920bee7ae4/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db5b/7063427/bf067f427bec/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db5b/7063427/5771c49b6ee5/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db5b/7063427/13c87565ecd8/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db5b/7063427/81874fe42a07/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db5b/7063427/4ffe3672e756/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db5b/7063427/88d09f8ae1f3/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db5b/7063427/655711de5408/gr8.jpg

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