使用夹板复位矫治器进行椎间盘捕获的评估：磁共振成像的临床与批判性评估
Evaluation of disk capture with a splint repositioning appliance: clinical and critical assessment with MR imaging.
作者信息
Kurita H, Kurashina K, Baba H, Ohtsuka A, Kotani A, Kopp S
机构信息
Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, Asahi, Matsumoto, Japan.
出版信息
Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 1998 Apr;85(4):377-80. doi: 10.1016/s1079-2104(98)90060-9.
OBJECTIVE
The purpose of this study was to evaluate disk repositioning clinically and through use of magnetic resonance imaging after the insertion of a disk repositioning appliance.
STUDY DESIGN
Seventy-four patients with 82 temporomandibular joints showing middle to late opening movement click and closing movement click near maximum intercuspation were treated with a mandibular full-coverage repositioning splint. These joints were assessed clinically and by means of magnetic resonance imaging for disk recapture.
RESULTS
According to clinical assessment, 75.6% (62/82) of the joints were treated successfully; no click was observed from the splinted mandibular position. When compared with the results of magnetic resonance imaging assessment, clinical assessment showed an accuracy rate of 91.5%, although the incidence of the false negatives was high (40%).
CONCLUSIONS
The results of this study showed that about 70% of reducing displaced disks were captured with use of the disk repositioning appliance. And it was also suggested that magnetic resonance imaging is helpful to evaluate disk repositioning therapy.
目的
本研究旨在通过临床观察及使用磁共振成像技术，评估盘复位矫治器植入后盘的复位情况。
研究设计
74例患者共82个颞下颌关节，表现为开口运动中期至晚期弹响以及最大牙尖交错位附近的闭口运动弹响，采用下颌全牙列覆盖式复位牙合板进行治疗。通过临床检查和磁共振成像对这些关节的盘复位情况进行评估。
结果
根据临床评估，75.6%（62/82）的关节治疗成功；从戴用牙合板的下颌位置未观察到弹响。与磁共振成像评估结果相比，临床评估的准确率为91.5%，尽管假阴性发生率较高（40%）。
结论
本研究结果表明，使用盘复位矫治器可使约70%的移位盘复位。同时也提示磁共振成像有助于评估盘复位治疗。
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