正畸微种植钉压低上颌伸长磨牙的临床研究

doi:10.13418/j.issn.1001-165x.2021.04.022

Abstract

Abstract: Objective To investigate the clinical effects of orthodontic microimplant nail to suppress maxillary supra-erupted molar. Methods Twenty-five patients needed to depress and elongate molar (subsequent implantation and restoration) were selected. Mirco-implant nails were used to bone the over-long molars on palatal and buccal sides. Lateral cephalograms were taken at the beginning and the end of the treatment for cephalometric analysis and comparison. Results The supra-erupted molars of 25 patients were all successfully intruded with the average suppression depth of (2.52±0.76) mm, and the average duration of treatment was (5.7±2.8) months. Conclusions It is a simple and effective orthodontic method to lower the supra-erupted molar with a micro-implant nail, which can provide a position for the implanted restoration of long-term missing teeth.

Key words: Orthodontic micro-implant, 　Orthodontic treatment, 　Supra-erupted , molar

CLC Number:

Lai Lingzhi, Wu Xinfan, Chen Kong, Liang Zhichao, Xu Huiyong , Guo Wei. Clinical study of orthodontic microimplant nail to suppress maxillary supra-erupted molar [J]. Chinese Journal of Clinical Anatomy, 2021, 39(4): 477-479.

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Clinical study of orthodontic microimplant nail to suppress maxillary supra-erupted molar

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