可移除的磁性牙科附件，允许进行磁共振成像。

Removable magnetic dental attachment that permits magnetic resonance imaging.

作者信息

Masumi S, Nagatomi K, Miyake S, Toyoda S

机构信息

Department of Removable Prosthetic Dentistry, Kyushu Dental College, Kitakyushu, Japan.

出版信息

J Prosthet Dent. 1992 Oct;68(4):698-701. doi: 10.1016/0022-3913(92)90389-r.

DOI:10.1016/0022-3913(92)90389-r

PMID:1403952

Abstract

Magnetic dental attachments cause magnetic resonance image (MRI) degradation. A new magnetic dental attachment that allows removal of magnetic parts to exchange them for nonmagnetic parts was developed and tested. It allows high quality MRI with no change in occlusal vertical dimension. A volunteer test subject with combinations of attachments in place was examined by MRI. The images produced showed no degradation or distortion. Magnetic attachments for overdentures or maxillofacial prostheses should be removable to permit use of MRI.

摘要

磁性牙科附件会导致磁共振成像（MRI）质量下降。一种新型磁性牙科附件被研发并测试，该附件允许移除磁性部件并用非磁性部件进行替换。它能实现高质量的MRI成像，且咬合垂直距离不变。一名佩戴组合式附件的志愿者受试者接受了MRI检查。所产生的图像未显示出质量下降或失真。覆盖义齿或颌面修复体的磁性附件应可移除，以便能够进行MRI检查。