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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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1 December 1981

Tongue Thrust and Malocclusion: A Longitudinal Study

and
University of Utah, Salt Lake City, UT, USA

Abstract

The closing phase of the only longitudinal study of tongue thrust, started in 1967 by Hanson and associates, is reported. Data were gathered over a period of 13½ years, starting with a group of 225 children with a mean age of 4 years, 9 months. Of this group, 61 were located and examined at or near age 18. The findings from this final evaluation are analyzed.

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