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Volume 11
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International Journal of Orofacial Myology and Myofunctional Therapy is published by MDPI from Volume 51 Issue 1 (2025). Previous articles were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence, and they are hosted by MDPI on mdpi.com as a courtesy and upon agreement with International Association of Orofacial Myology (IAOM).
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Article

Effect of Oral Screen Treatment on Dentition, Lip Morphology, and Function in Children with Incompetent Lips

by
Py Owman-Moll
and
Bengt Ingervall
University of Bern, Freiburgstrasse 7, CH-3010 Bern, Switzerland
Int. J. Orofac. Myol. Myofunct. Ther. 1985, 11(1), 12-23; https://doi.org/10.52010/ijom.1985.11.1.3
Submission received: 1 March 1985 / Revised: 1 March 1985 / Accepted: 1 March 1985 / Published: 1 March 1985

Abstract

The effect of treatment with an oral screen was studied in sixteen children with incompetent lips who were compared with a control group of sixteen children who also had incompetent lips. The period of observation was I year. The treatment brought about retroclination of proclined maxillary incisors with a resulting decrease in overjet, in the diastema between the in­cisors, and in arch length. The mandibular incisors proclined somewhat. No change in general intermaxillary relation or in arch width was observed with the treatment. Neither lip morphology nor the electromyo­graphically recorded function of the lips was affected by the treatment. The maximum force that the lips could exert to resist an external force was increased substantially by the treatment. Whether this is of value for the stability of the orthodontic treatment result is not known. [Reprinted with permission from American Journal of Orthodontics, January 1984]

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MDPI and ACS Style

Owman-Moll, P.; Ingervall, B. Effect of Oral Screen Treatment on Dentition, Lip Morphology, and Function in Children with Incompetent Lips. Int. J. Orofac. Myol. Myofunct. Ther. 1985, 11, 12-23. https://doi.org/10.52010/ijom.1985.11.1.3

AMA Style

Owman-Moll P, Ingervall B. Effect of Oral Screen Treatment on Dentition, Lip Morphology, and Function in Children with Incompetent Lips. International Journal of Orofacial Myology and Myofunctional Therapy. 1985; 11(1):12-23. https://doi.org/10.52010/ijom.1985.11.1.3

Chicago/Turabian Style

Owman-Moll, Py, and Bengt Ingervall. 1985. "Effect of Oral Screen Treatment on Dentition, Lip Morphology, and Function in Children with Incompetent Lips" International Journal of Orofacial Myology and Myofunctional Therapy 11, no. 1: 12-23. https://doi.org/10.52010/ijom.1985.11.1.3

APA Style

Owman-Moll, P., & Ingervall, B. (1985). Effect of Oral Screen Treatment on Dentition, Lip Morphology, and Function in Children with Incompetent Lips. International Journal of Orofacial Myology and Myofunctional Therapy, 11(1), 12-23. https://doi.org/10.52010/ijom.1985.11.1.3

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