Vertical control appliance in treatment of skeletal Class Ⅱ hyperdivergent adult patients: review of the literature

doi:10.19438/j.cjoms.2021.03.020

Abstract

Abstract: The treatment of malocclusion usually directs at protrusion and retrusion. However, both jaw bones and teeth contain three dimensions: sagittal, lateral and vertical direction. Vertical discordance is often be overlooked, and it can also affect sagittal direction. Most vertical excess patients present hyperdivergent facial skeletal type. Vertical excess can also lead to counterclockwise rotation of the mandible, which may cause skeletal Class Ⅱ deformation. In the early years, orthodontic treatments were quite limited, orthognathic surgery was the most common solution for hyperdivergent patients. With the appearance and application of implant anchorage, mini-titanium plates or miniscrews may improve the effect of orthodontic treatments as well as reduce the risk and trauma of some patients with mild to moderate vertical excess. This article aimed to review the recent researches about the application of vertical control in skeletal Class Ⅱ hyperdivergent patients by camouflaged orthodontic treatment or orthognathic surgery with orthodontic treatment, and summarize the effect, stability analysis and therapeutic strategy of borderline cases, in order to provide new insights into clinical diagnosis and treatments, as well as related researches.

Key words: Vertical control, Skeletal Class Ⅱ hyperdivergent, Camouflaged orthodontic treatment, Orthognathic surgery, Implant anchorage

CLC Number:

R783.5

QU Ran-yi, WANG Xi-jun, JIANG Ling-yong. Vertical control appliance in treatment of skeletal Class Ⅱ hyperdivergent adult patients: review of the literature[J]. China Journal of Oral and Maxillofacial Surgery, 2021, 19(3): 284-288.

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