A Study Of Minor Organic Deviations In ‘Functional’ Disorders Of Articulation: 4. The Teeth And Hard Palate

Fairbanks, Grant; Lintner, Mary Van Horn

doi:10.1044/jshd.1603.273

Cited by 15 publications

(4 citation statements)

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“…They found that there was no clear evidence directly relating malocclusions to speech discrepancies. In addition, some researchers have reported that, during speech, subjects with a Class II malocclusion show a compensatory capability effected by readjusting the position of the tongue and mandible for the correct production of lingual-palatal sounds (Fairbanks and Lintner, 1951). However acoustic characteristics of /s/ and /s/ fricatives in Class III patients showed a distinct difference compared with a control group (Wakumoto, Isaacson, Friel, Suzuki, Gibbon, Nixon, Hardcastle, and Michi, 1996;Lee, Whitehill, Ciocca, and Samman, 2002 , [y]) following surgical RME in patients whose speech was considered perceptually normal before and after expansion.…”

Section: Discussionmentioning

confidence: 99%

“…Each patient was treated with a Hyrax (OSI, Wilmington, Delaware) expansion appliance in the traditional technique (Fairbanks and Lintner, 1951) ( Figure 1). The expansion appliance was activated one-quarter turn in the morning and another one-quarter turn in the evening immediately after surgery, each day for 2-3 weeks until the necessary amount of expansion was achieved.…”

Section: Surgical Proceduresmentioning

confidence: 99%

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The effects of surgical rapid maxillary expansion (SRME) on vowel formants

Sarı¹,

Kılıç

2009

Clinical Linguistics & Phonetics

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The objective of this study was to investigate the effect of surgical rapid maxillary expansion (SRME) on vowel production. The subjects included 12 patients, whose speech were considered perceptually normal, that had undergone surgical RME for expansion of a narrow maxilla. They uttered the following Turkish vowels, ([a], [e], [dotless i], [i], [o], [oe], [u], [y]), in isolation before and after the maxillary expansion. These samples were recorded for acoustical analysis. The fundamental frequencies (F0) and the frequencies and bandwidths of the first two formants (F1 and F2) of the vowels were measured using the Multi-Speech programme (Kay Elemetrics). Statistical analysis revealed that the second formant frequency (F2) and bandwidth values in the vowel [i] and [oe] were lowered after maxillary expansion (p<.05). Surgical RME induced the decrease in the second formant of the [i] and [oe] vowels by affecting the size of the anterior oral cavity, however the influence was too small to cause any differences in the acoustic properties of the other vowels.

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Section: Discussionmentioning

confidence: 99%

Section: Surgical Proceduresmentioning

confidence: 99%

The effects of surgical rapid maxillary expansion (SRME) on vowel formants

Sarı¹,

Kılıç

2009

Clinical Linguistics & Phonetics

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“…According to Niemi et al, compensatory movements of the tongue and mandible enabling normal incisor relations could occur in patients with class II malocclusion, and no significant changes in pronunciation were observed after mandibular advancement. However, this outcome may not be relevant to patients with class III malocclusion, and only a few studies of the structural changes in pronunciation and articulation after a mandibular setback have been conducted, there is no consensus on the effects of mandibular setback on the speech and voice (Fairbanks and Lintner, 1951;Hassan et al, 2007;Mishima et al, 2013). According to the author's previous study, patients with Angle's class III malocclusion showed a larger aperture for low vowels and a forwarding of the back vowels compared with occlusion patients.…”

Section: Introductionmentioning

confidence: 95%

Acoustic analysis of vowel sounds before and after orthognathic surgery

Ahn

Kim

et al. 2015

Journal of Cranio-Maxillofacial Surgery

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“…We selected the adult volunteers who had a skeletal ClassI jaw relationship as normal subjects for this study, because it was reported that speech obstruction was not often seen in patients with Class I malocclusions . For the articulatory samples, /t/, /s/ and /k/ were chosen because a patient with mandibular prognathism was reported to have difficulty pronouncing these consonants .…”

Section: Discussionmentioning

confidence: 99%

Tongue–palatal contact changes in patients with skeletal mandibular prognathism after sagittal split ramus osteotomy: an electropalatography study

Kojima

Kaku

Yamamoto

et al. 2017

J of Oral Rehabilitation

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The purpose of this study was to investigate the changes in tongue-palatal contact patterns using electropalatography (EPG) before and after sagittal split ramus osteotomy (SSRO) in patients with mandibular prognathism. Nine clients who underwent SSRO for mandibular setback and seven control subjects were participated in this study. Tongue-palatal contact patterns for /t/, /s/ and /k/ production were investigated using EPG before surgery and 3 months after surgery. The mean value of whole total of palate contact (WT) in the maximum contact frame was examined before and after SSRO. The correlation quantity between the change of center of gravity (COG) value and the amount of mandibular setback was also evaluated. The mean value of WT for /t/ and /s/ significantly increased after SSRO, and the EPG pattern became normal. However, a remarkable change in WT for /k/ was not observed, and the mean value was significantly larger in the SSRO group before and after surgery than in the control group. A negative correlation between COG variation and the amount of mandibular setback for /t/ and positive correlation for /s/ was observed. This study demonstrated that tongue-palatal contact patterns for /t/ and /s/ articulation improved clearly after SSRO. There was a significant correlation between COG variation and the amount of mandibular setback. However, no significant change was detected through perceptual assessment before and after SSRO. Further investigation is needed to determine whether these results will change over time.

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A Study Of Minor Organic Deviations In ‘Functional’ Disorders Of Articulation: 4. The Teeth And Hard Palate

Cited by 15 publications

References 0 publications

The effects of surgical rapid maxillary expansion (SRME) on vowel formants

The effects of surgical rapid maxillary expansion (SRME) on vowel formants

Acoustic analysis of vowel sounds before and after orthognathic surgery

Tongue–palatal contact changes in patients with skeletal mandibular prognathism after sagittal split ramus osteotomy: an electropalatography study

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