The Vocal Fold Dysfunction Questionnaire: Validity and Reliability of the Persian Version

Ghaemi, Hamide; Khoddami, Seyyedeh Maryam; Soleymani, Zahra; Zandieh, Fariborz; Jalaie, Shohreh; Ahanchian, Hamid; Khadivi, Ehsan

doi:10.1016/j.jvoice.2017.08.022

Cited by 6 publications

(17 citation statements)

References 27 publications

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“…It elicits a speech sample containing instances of all Persian vowels and consonants in first, middle, and last positions of words. 1,4,5 For articulation analysis, consonant and vowel productions were compared with target productions and analyzed for error types at the segmental level. All analyses were based on a consensus narrow phonetic transcription made by the speech-language pathologist using the symbols and diacritics of the International Phonetic Alphabet.…”

Section: Articulationmentioning

confidence: 99%

“…14,23,32 Velopharyngeal valve closure was performed with a more natural quality to prevent airflow from entering the nose, and transferring to the mouth, during the articulation of oral consonants. 5,6,13,18 On the other hand, during the articulation of nasal consonants, the velopharyngeal valve completely prevents airflow from entering the mouth and directs it into the nasal cavity with better quality than before. In other words, we observed more air emission from the nasal cavity for nasal consonants, and more air emission from the mouth for oral's consonants.…”

Section: (Eight Class III Patients)mentioning

confidence: 99%

“…[1][2][3][4] Assuming normal orofacial structures, individuals typically acquire the appropriate shaping of the vocal tract for the sounds of their language according to common developmental patterns entitled phonological development. 1,4,5 The consonants produced in any language can be described by their distinctive features as follows: 1) the place of production; 2) the degree of constriction between the two articulators; 3) the path of emission or energy enhancement, via the mouth versus the nose; and 4) the voicing, whether or not the vocal folds are in vibration. 1,[5][6][7] Individuals who have Class III malocclusion often present with difficulty producing labiodental and lingua-alveolar consonants.…”

Section: Introductionmentioning

confidence: 99%

“…1,4,5 The consonants produced in any language can be described by their distinctive features as follows: 1) the place of production; 2) the degree of constriction between the two articulators; 3) the path of emission or energy enhancement, via the mouth versus the nose; and 4) the voicing, whether or not the vocal folds are in vibration. 1,[5][6][7] Individuals who have Class III malocclusion often present with difficulty producing labiodental and lingua-alveolar consonants. Furthermore, they tend to have difficulty with the lingua-alveolar consonants /t/, /d/, /l/, /n/, /s/, and /z/.…”

Section: Introductionmentioning

confidence: 99%

“…1,6,[8][9][10] Velopharyngeal dysfunction or insufficiency often co-occurs with malocclusion in individuals who have Class III malocclusion. 1,4,5,11 Velopharyngeal dysfunction (VPD) is a generic term that describes a set of disorders resulting in the leakage of air into the nasal passages during speech production and articulation. Consequently, speech samples can demonstrate hypernasality, nasal emissions, and poor intelligibility.…”

Section: Introductionmentioning

confidence: 99%

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The Effect of Bimaxillary Orthognathic Surgery on Nasalance, Articulation Errors, and Speech Intelligibility in Skeletal Class III Deformity Patients

Ghaemi

Emrani

Labafchi

et al. 2021

wjps

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BACKGROUND We aimed to detect the changes in nasalance, articulation errors, and speech intelligibility after bimaxillary orthognathic surgery in skeletal class III patients. METHODS This double-blinded before and after quasi-experimental study was conducted in the Department of Maxillofacial Surgery, Qaem Hospital, Mashhad, Iran from Mar 2019 to Apr 2020. The main intervention was maxillary advancement with LeFort I osteotomy and mandibular setback surgery with bilateral sagittal split osteotomy (BSSO). The nasalance score, speech intelligibility, and articulation errors were evaluated one week preoperatively (T 0 ), 1 and 6 months (T 1 , T 2 ) postoperatively by a speech therapist. The significance level was set at 0.05 using SPSS 21. RESULTS Eleven women (55%) and 9 men (45%) with a mean age of 31.95 ± 4.72 yr were enrolled. The mean maxillomandibular discrepancy was 6.15 ± 1.53 mm. The mean scores of nasalance for the oral, nasal, and oral-nasal sentences were significantly improved postoperatively ( P <0.001). Pre-operative articulation errors of consonants /r/, /z/, /s/ and /sh/ were corrected following the surgery. The percentage of speech intelligibility was significantly increased over time ( P <0.001). CONCLUSION The patients might show a normal articulation pattern and a modified nasalance feature, following maxillary advancement plus mandibular setback surgery.

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Section: Articulationmentioning

confidence: 99%

Section: (Eight Class III Patients)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The Effect of Bimaxillary Orthognathic Surgery on Nasalance, Articulation Errors, and Speech Intelligibility in Skeletal Class III Deformity Patients

Ghaemi

Emrani

Labafchi

et al. 2021

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Investigating the Effects of Warm-up Exercises on Acoustic Characteristics of Voice in Female Gym Coaches

2023

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The Effect of Bimaxillary Orthognathic Surgery on Voice Characteristics in Skeletal Class 3 Deformity Patients: An Evaluation Using Acoustic Analysis

Emrani¹,

Ghaemi²,

Labafchi³

et al. 2021

Journal of Craniofacial Surgery

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Theaimofthisstudywastoanalyzetheeffectsofbimaxillary orthognathic surgery on the acoustic voice characteristics of skeletal class 3 patients. All healthy nonsyndromic patients with Class 3 deformity who were eligible for bimaxillary orthognathic surgery, were included in this before and after quasi-experimental study. This experiment's main intervention was mandibular setback surgery by bilateral sagittal split osteotomy plus maxillary advancement using LeFort 1 osteotomy. Age, sex, and intraoperative jaw movements were recorded. Acoustic analysis of voice samples (vowels /a/ and /i/) was performed with Praat software as outcome variables. The formant frequencies (F0, F1, F2, and F3) of these vowels were extracted 1 week preoperatively (T0), 1 and 6 months (T1, T2) postoperatively by a speech therapist. The significance level was set at 0.05 using SPSS 19. The study sample comprised 20 patients including 11 women (55%) and 9 men (45%) with a mean age of 31.95 AE 4.72 years. The average mandibular setback and maxillary advancement were 3.30 AE 0.86 and 2.85 AE 0.74 mm, respectively. The fundamental frequency (F0) and the first, second, and third formants (F1, F2, F3) of vowels /i/ and /a/ were significantly decreased over time intervals, postoperatively (P < 0.05). The finding revealed that bimaxillary orthognathic surgery (maxillary advancement and mandibular setback with bilateral sagittal split osteotomy) might reduce the acoustic formant parameters of voice to the normal frequency ranges, in patients with class 3 skeletal deformities. More clinical trials with greater sample sizes and longterm follow-ups are suggested in the future.

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The Vocal Fold Dysfunction Questionnaire: Validity and Reliability of the Persian Version

Cited by 6 publications

References 27 publications

The Effect of Bimaxillary Orthognathic Surgery on Nasalance, Articulation Errors, and Speech Intelligibility in Skeletal Class III Deformity Patients

The Effect of Bimaxillary Orthognathic Surgery on Nasalance, Articulation Errors, and Speech Intelligibility in Skeletal Class III Deformity Patients

Investigating the Effects of Warm-up Exercises on Acoustic Characteristics of Voice in Female Gym Coaches

The Effect of Bimaxillary Orthognathic Surgery on Voice Characteristics in Skeletal Class 3 Deformity Patients: An Evaluation Using Acoustic Analysis

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