Closure of an open bite using the 'Mousetrap' appliance: a 3-year follow-up

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Australasian Orthodontic Journal

Australian Society of Orthodontists

Subject: Dentistry, Orthodontics & Medicine

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ISSN: 2207-7472
eISSN: 2207-7480

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VOLUME 31 , ISSUE 2 (November 2015) > List of articles

Closure of an open bite using the 'Mousetrap' appliance: a 3-year follow-up

Benedict Wilmes * / Sivabalan Vasudavan / Bruce Stocker / Jan H. Willmann / Dieter Drescher

Citation Information : Australasian Orthodontic Journal. Volume 31, Issue 2, Pages 208-215, DOI: https://doi.org/10.21307/aoj-2020-157

License : (CC BY 4.0)

Published Online: 15-August-2021

ARTICLE

ABSTRACT

Recently, skeletal anchorage devices have been used as anchorage units for upper molar intrusion as a way of correcting an anterior open bite malocclusion. To avoid the surgical procedures associated with the placement of miniplates in the zygomatic area, mini-implants may be inserted palatally or buccally in the alveolar process. However, consideration must be given to the potential risks of root damage and a higher failure rate associated with the placement of temporary anchorage devices (TADs) in the interradicular area. The anterior hard palate provides a safer and more stable alternative for TAD placement. The current paper describes the biomechanical principles and the clinical procedures of ‘Mousetrap’ mechanics using mini-implants in the anterior palate for upper molar intrusion. The stomatognathic response of maxillary molar intrusion is an autorotation of the mandible and so the sagittal implications for each patient must be considered. The presented patient demonstrates successful correction and stability of the treatment result at a three-year review.

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