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Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie

Published in:

01-09-2013 | Original article

Control of lower incisor inclination with a completely customized lingual appliance for dentoalveolar compensation of class III malocclusion

Authors: PD Dr. S. Lossdörfer, R. Schwestka-Polly, D. Wiechmann

Published in: Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie | Issue 5/2013

Abstract

Objective

Bracket slots and orthodontic archwires offering high dimensional precision are needed for fully customized lingual appliances. We aimed to investigate whether high-precision appliances of this type enable dentoalveolar compensation of class III malocclusion so that lower incisor inclination at the end of treatment will closely match the anticipated situation as defined in a pretreatment setup.

Materials and methods

This retrospective study included a total of 34 consecutive patients who had worn a fully customized lingual appliance to achieve dentoalveolar compensation for class III malocclusion by intermaxillary elastics, or proximal enamel reduction, or extraction of teeth in one or both jaws. Casts fabricated at different points in time were three-dimensionally scanned to analyze how precisely the lower incisor inclinations envisioned in the setup were implemented in clinical practice.

Results

Aside from minor deviations of ±3.75°, the lower incisor inclinations were clinically implemented as planned even in patients with major sagittal discrepancies.

Conclusion

Treatment goals predefined in a setup of dentoalveolar compensation for class III malocclusion can be very precisely achieved via a customized lingual appliance. Correct planning can prevent undesirable lingual tipping of the lower incisors. This finding should not encourage a more liberal use of dentoalveolar compensation, but it should heighten clinicians’ awareness of how essential it is to sufficiently consider the individual anatomy of the dentoalveolar complex during treatment planning.

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Title: Control of lower incisor inclination with a completely customized lingual appliance for dentoalveolar compensation of class III malocclusion
Authors: PD Dr. S. Lossdörfer
R. Schwestka-Polly
D. Wiechmann
Publication date: 01-09-2013
Publisher: Springer Berlin Heidelberg
Published in: Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie / Issue 5/2013
Print ISSN: 1434-5293
Electronic ISSN: 1615-6714
DOI: https://doi.org/10.1007/s00056-013-0163-y

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Control of lower incisor inclination with a completely customized lingual appliance for dentoalveolar compensation of class III malocclusion

Abstract

Objective

Materials and methods

Results

Conclusion

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Objective

Materials and methods

Results

Conclusion

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