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Severe open bite with mandibular asymmetry treated using micro-implant anchorage Cover

Severe open bite with mandibular asymmetry treated using micro-implant anchorage

By: Jing Liao,  Shushu He,  Zhiai Hu and  Shujuan Zou  
Open Access
|Jul 2021

Abstract

Background

This case report describes the orthodontic treatment of a 20 year-old female who presented with a severe anterior open bite, increased lower facial height and mandibular asymmetry. The patient was diagnosed with a Class I skeletal pattern but a Class III dental relationship, an anterior and unilateral posterior open bite, a canted posterior occlusal plane, a clockwise rotation and vertical growth pattern of the mandible incorporating a chin deviation to the right.

Aim

The aim of treatment was to correct identified adverse oral habits, improve the facial profile and mandibular asymmetry, provide a satisfactory occlusion and restore TMJ health, which could not be guaranteed.

Methods

An occlusal splint was used in the first stage of treatment to intrude the posterior teeth, eliminate the occlusal disturbance and control the adverse oral habits. Two micro-implant anchorage devices were placed on the buccal and lingual sides of the left buccal segment to further intrude the left posterior teeth. MEAW technology was used after aligning and levelling the teeth.

Results

Satisfactory overbite, overjet and molar relationships were obtained and the facial profile greatly improved after orthodontic treatment, the outcome of which was stable at 24 months’ review.

DOI: https://doi.org/10.21307/aoj-2020-104 | Journal eISSN: 2207-7480 | Journal ISSN: 2207-7472
Language: English
Page range: 258 - 267
Submitted on: Mar 1, 2016
Accepted on: Apr 1, 2017
Published on: Jul 30, 2021
Published by: Australian Society of Orthodontists Inc.
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year

© 2021 Jing Liao, Shushu He, Zhiai Hu, Shujuan Zou, published by Australian Society of Orthodontists Inc.
This work is licensed under the Creative Commons Attribution 4.0 License.