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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 the previous journal publisher.

Int. J. Orofac. Myol. Myofunct. Ther., Volume 36, Issue 1 (November 2010) – 6 articles , Pages 4-59

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16 pages, 229 KiB

Open AccessArticle

Confirmational Study: A Positive-Based Thumb and Finger Sucking Elimination Program

by Shari E. Green

Int. J. Orofac. Myol. Myofunct. Ther. 2010, 36(1), 44-59; https://doi.org/10.52010/ijom.2010.36.1.5 - 1 Nov 2010

Cited by 7 | Viewed by 118

Abstract

This article emphasizes the critical need for information specifically regarding the topic of retained sucking behaviors. The study aimed to confirm results provided by Van Norman of 723 subjects in 1997. Parent surveys were collected on 441 subjects who received an orofacial myofunctional treatment program provided by one certified orofacial myologist. Results of this study do confirm that retained digit sucking behavior may be addressed successfully and expediently by a program based on positive behavior modification techniques. Full article

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11 pages, 297 KiB

Open AccessArticle

Quantitative Evaluation of Tongue Protrusion Force

by Renata Maria Moreira Moraes Furlan, Amanda Freitas Valenti, Tatiana Vargas de Castro Perilo, Cláudio Gomes da Costa, Márcio Falcão Santos Barroso, Estevam Barbosa de Las Casas and Andréa Rodrigues Motta

Int. J. Orofac. Myol. Myofunct. Ther. 2010, 36(1), 33-43; https://doi.org/10.52010/ijom.2010.36.1.4 - 1 Nov 2010

Cited by 12 | Viewed by 86

Abstract

The tongue plays an important role in the functions of speech, mastication, swallowing, and breathing. The tongue helps in the maintenance of proper dental alignment and arch stability. Adequate strength is essential for the tongue to perform these tasks. Recently the Biomechanical Engineering Group from Universidade Federal de Minas Gerais, Brazil, developed a device to improve tongue strength evaluation. The purpose of this study is to describe and compare the main results obtained in tongue protrusion force measurements in different age groups using this new device. Fifteen healthy subjects were given a qualitative evaluation and determined to have normal tongue strength. They were separated by age in three groups: children, adults and elderly. They were then given a quantitative evaluation. Maximum and average forces were analyzed. The time taken to reach maximum force was also assessed. Higher values of maximum and average tongue force were obtained in the adult group, followed by the elderly group and the group of children. Older subjects had greater tongue force when compared to children. However, there were statistically significant differences in the average force and in the maximum force only between children and adults. Time taken to reach maximal isometric force was longer in the elderly group and shorter in the group of children than in the group of adults although no statistically significant difference was found between groups. Full article

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6 pages, 146 KiB

Open AccessArticle

Speech-Language Pathology Findings in Patients with Mouth Breathing: Multidisciplinary Diagnosis According to Etiology

by Patricia Junqueira, Irene Queiroz Marchesan, Luciana Regina de Oliveira, Emilio Ciccone, Leonardo Haddad and Maria Cândida Rizzo

Int. J. Orofac. Myol. Myofunct. Ther. 2010, 36(1), 27-32; https://doi.org/10.52010/ijom.2010.36.1.3 - 1 Nov 2010

Cited by 16 | Viewed by 129

Abstract

The purpose of this study was to identify and compare the results of the findings from speechlanguage pathology evaluations for orofacial function including tongue and lip rest postures, tonus, articulation and speech, voice and language, chewing, and deglutition in children who had a history of mouth breathing. The diagnoses for mouth breathing included: allergic rhinitis, adenoidal hypertrophy, allergic rhinitis with adenoidal hypertrophy; and/or functional mouth breathing. This study was conducted with on 414 subjects of both genders, from 2 to 16-years old. A team consisting of 3 speech-language pathologists, 1 pediatrician, 1allergist, and 1 otolaryngologist, evaluated the patients. Multidisciplinary clinical examinations were carried out (complete blood counting, X-rays, nasofibroscopy, audiometry). The two most commonly found etiologies were allergic rhinitis, followed by functional mouth breathing. Of the 414 patients in the study, 346 received a speech-language pathology evaluation. The most prevalent finding in this group of 346 subjects was the presence of orofacial myofunctional disorders. The most frequently orofacial myofunctional disorder identified in these subjects who also presented mouth breathing included: habitual open lips rest posture, low and forward tongue rest posture and lack of adequate muscle tone. There were also no statistically significant relationships identified between etiology and speech-language diagnosis. Therefore, the specific type of etiology of mouth breathing does not appear to contribute to the presence, type, or number of speech-language findings which may result from mouth breathing behavior. Full article

10 pages, 172 KiB

Open AccessArticle

A Lateral Cephalometric X-ray Study of Selected Vertical Dimensions in Children with Atypical Deglutition

by Almiro J. Machado Júnior and Agricio N. Crespo

Int. J. Orofac. Myol. Myofunct. Ther. 2010, 36(1), 17-26; https://doi.org/10.52010/ijom.2010.36.1.2 - 1 Nov 2010

Cited by 3 | Viewed by 92

Abstract

Atypical deglutition (tongue thrust swallowing) has been thought by some to be an etiological factor related to dental malocclusion, especially changes related to excessive increase in vertical facial growth. The purpose of this study was to investigate this possible relationship between atypical deglutition and vertical facial growth by documenting the lower, middle and upper facial areas of children with atypical deglutition. 55 lateral cephalometric radiographs were analyzed and measured in each of two groups of subjects according to standardized facial plane angles between the (I) palatal plane and mandibular plane, (II) palatal plane and occlusal plane, (III) mandibular plane and occlusal plane, (IV) skull base and Frankfurt plane, and (V) mandibular angle. The experimental group was comprised of 55 subjects with atypical deglutition, while 55 subjects with normal swallowing were used as a control group. The linear/angular measurements were subjected to Mann-Whitney statistical test with a significance level of 5%. Results: The average angle of the variables I, II, III and IV are, respectively: 29, 14, 14 and 9 degrees in both groups. There were no significant differences in the variables studied in the normal and atypical swallowing groups. However, for variable V there were 3 degrees of difference between the groups, which was statistically significant. The results of this study suggest that the problem of atypical swallowing may be of functional origin and not associated with anatomical changes seen in vertical growth patterns. Full article

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10 pages, 495 KiB

Open AccessArticle

Submental Muscle Tissue Compliance During Relaxation, Contraction, and After Tone-Modification Interventions

by Heather M. Clark and Nancy Pearl Solomon

Int. J. Orofac. Myol. Myofunct. Ther. 2010, 36(1), 6-15; https://doi.org/10.52010/ijom.2010.36.1.1 - 1 Nov 2010

Cited by 4 | Viewed by 83

Abstract

Deviations in muscle tone are presumed to accompany speech motor control deficits in select forms of dysarthria, although there is little confirmation of these associations. For patients experiencing neuromuscular impairments, therapeutic interventions and/or principles have been devised to alleviate tone deviations where they occur and to prevent the development or exacerbation of tone deviations. Potentially therapeutic effects of these interventions on muscle tone in the speech musculature have not been studied empirically. One reason for the paucity of research is that tools for assessing muscle tone in the speech musculature are not generally available. This pilot study explored the feasibility of a commercially available, handheld instrument for measuring submental muscle compliance during relaxed and active conditions in 16 women with normal speech and swallowing. Additionally, the study examined changes in muscle compliance when interventions presumed to impact muscle tone were applied to the submental region. The Myotonometer™ was sensitive to changes in tissue compliance related to active contraction of the submental musculature. Applying ice or vibration to the submental region resulted in no systematic changes in submental tissue compliance in the relaxed or contracted state. Additional research is needed to validate the use of this instrument to reliably assess muscle tone and other contributors to tissue compliance. If successful, studies should examine the sensitivity of the Myotonometer™ to assess intervention-induced tissue compliance changes in patient groups with suspected muscle tone impairments. Further study of intervention effects across muscle groups and dosage levels can help inform clinical decisions about the potential usefulness of tone-altering interventions for the orofacial musculature. Full article

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2 pages, 68 KiB

Open AccessArticle

Editor's Corner: Tribute to Rosemarie Van Norman

by Patricia Taylor

Int. J. Orofac. Myol. Myofunct. Ther. 2010, 36(1), 4-5; https://doi.org/10.52010/ijom.2010.36.1.6 - 1 Nov 2010

Viewed by 61

Abstract

This issue of the International Journal of Orofacial Myology is dedicated as a tribute to Rosemarie Van Norman and her contributions to the International Association of Orofacial Myology [...] Full article

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Int. J. Orofac. Myol. Myofunct. Ther., Volume 36, Issue 1 (November 2010) – 6 articles , Pages 4-59

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