Turkish Journal of Orthodontics
Case Report

Treatment of Class II, Division 2 Malocclusion with Miniscrew Supported En-Masse Retraction: Is Deepbite Really an Obstacle for Extraction Treatment?

1.

Department of Orthodontics, School of Dentistry Başkent University, Ankara, Turkey

Turk J Orthod 2017; 30: 84-88
DOI: 10.5152/TurkJOrthod.2017.17034
Read: 294 Downloads: 44 Published: 26 July 2019

Abstract

A 17-year-old female patient, whose chief complaint was her unpleasing smile, had skeletal and dental class II malocclusion, hypodivergent facial type with a severely increased overbite. Among the treatment options, upper-first-premolar extractions followed by miniscrew-supported en-masse retraction was the treatment of choice. After the initial levelling and alignment, miniscrews with 1.5- to 1.4-mm diameter and 7-mm lenght, were installed between the roots of the second premolars and the first molars, bilaterally. En-masse retraction was achieved on a 0.016x0.022-inch stainless steel archwire with 7-mm long power hooks placed distal to the lateral incisors, and with nickel-titanium (NiTi) closed coil springs exerting 250-gr of force per side. At the end of the treatment, deepbite, incisor inclinations and interincisal angle were corrected, and Class II molar relationship with good intercuspation was achieved. Upper 2-2, lower 3-3 retainers were bonded for retention. As a result, deepbite and Class II canine relationship was successfully corrected with simultaneous incisor intrusion and retraction using miniscrew-supported en-masse retraction. 

 

 

Cite this article as: Tunçer Nİ, Özçırpıcı AA. Treatment of Class II, Division 2 Malocclusion with Miniscrew Supported En-Mase Retraction: Is Deepbite Really an Obstacle for Extraction Treatment? Turkish J Orthod 2017; 30: 84-8.

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