Variability of closest speaking space compared with interocclusal distance in dentulous subjects

Rivera-Morales, Warren C.; Mohl, Norman D.

doi:10.1016/0022-3913(91)90166-t

Cited by 22 publications

(23 citation statements)

References 20 publications

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“…It was stated that the closest speaking space is greater than the FS in dentate subjects 10,14 . Similarities between SSS and FS were shown in several studies 3,8,12,21 . However, no previous report showed that the FS was greater than the SSS.…”

Section: Discussionsupporting

confidence: 77%

Relation between speaking space of the /s/ sound and freeway space in dentate and edentate subjects

Souza¹,

Compagnoni

2004

Braz. oral res.

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ABSTRACT:The purpose of this study is to assess the relation between the speaking space of the /s/ sound and the freeway space in two subject groups. One group had natural dentition (Group I, n = 61) and the other comprised complete denture wearers (Group II, n = 33). The analysis was done by means of a jaw-tracking device (K6-I Diagnostic System, Myotronics Research Inc., Seattle, WA, USA). Freeway space was determined by asking the subjects to occlude from the postural rest position. Speaking space of /s/ was measured during the pronunciation of the word "seis" and comprised the mean distance from the /s/ speaking position to maximal intercuspation. A weak correlation was found between the speaking space of /s/ and the freeway space in Group I (r = 0.41, p < 0.01), but in Group II, the correlation was stronger (r = 0.75, p < 0.01). The speaking space of /s/ and freeway space were different in Group I, but statistically similar in Group II (paired t-test, α = 0.05). It can be suggested that anatomic changes following prosthetic procedures caused a functional adaptation which resulted in more similar values for the speaking space of /s/ and the freeway space. DESCRIPTORS: Phonetics; Dental occlusion; Denture, complete; Jaw relation record. RESUMO:O objetivo deste estudo foi investigar a associação entre o espaço de pronúncia do som /s/ e o espaço funcional livre em dois grupos de indivíduos. A amostra foi classificada em dentados (Grupo I, n = 61) e portadores de próteses totais (Grupo II, n = 33). A análise foi realizada empregando um instrumento cinesiográfico (K6-I Diagnostic System, Myotronics Research Inc., Seattle, WA, EUA), capaz de fornecer registros dos movimentos mandibulares. O espaço funcional livre foi determinado solicitando-se ao indivíduo que ocluísse a partir da posição de repouso postural. O espaço de pronúncia do /s/ foi aferido durante a pronúncia da palavra "seis", registrado como a posição mandibular média para o som /s/ em relação à máxima intercuspidação. Houve uma fraca correlação entre o espaço funcional livre e o espaço de pronúncia do /s/ para o Grupo I (r = 0,41, p < 0,01), mas uma correlação relativamente forte para o Grupo II (r = 0,75, p < 0,01). O espaço funcional livre e o espaço de pronúncia do /s/ foram diferentes no Grupo I, mas estatisticamente semelhantes no Grupo II (teste t pareado, α = 0,05). Dessa forma, pode-se deduzir que mudanças anatômicas após o procedimento protético provocaram uma adaptação funcional, sendo que esse processo adaptativo aproximou as duas variáveis -espaço de pronúncia do /s/ e espaço funcional livre.

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Section: Discussionsupporting

confidence: 77%

Relation between speaking space of the /s/ sound and freeway space in dentate and edentate subjects

Souza¹,

Compagnoni

2004

Braz. oral res.

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“…The closest speaking space in dentate subjects shows a low intra-individual variation 20,21 . Nevertheless, further studies are needed to elucidate the precision of speaking spaces after tooth loss and denture wearing.…”

Section: Discussionmentioning

confidence: 99%

“…Another advantage of this technique is the smaller variance of closest speaking space when compared to freeway space 21 . According to Silverman [26][27][28] , the sibilant sounds are the ones that most constantly bring the mandible to the closest speaking level.…”

Section: Introductionmentioning

confidence: 99%

Association between the speaking space of /s/ sound and incisal overlaps in dentate and edentate subjects

et al. 2005

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RESUMOwww.fob.usp.br/revista or www.scielo.br/jaos he purpose of this study is to determine the association of speaking space of /s/ sound with vertical and horizontal overlaps for two subject groups. Group I comprised 61 subjects with complete permanent dentition and Group II comprised 33 complete denture wearers. They had their mandibular movement determined by using an electromagnetic method. Speaking space of /s/ was obtained from each subject as they were instructed to say the word 'seis' three times. The mean interocclusal distance during /s/ production was considered the speaking space of /s/. Vertical and horizontal incisor overlaps were also measured. The mean value of speaking space of /s/ was 2.22 mm (± 1.38) for Group I and 2.61 mm (± 1.53) for Group II. In Group I, significant correlations were found between the speaking space of /s/ and vertical overlap (r=0.36, P<0.01), and between speaking space of /s/ and horizontal overlap (r=0.45, P<0.01). In Group II, no significant correlation was found between speaking space of /s/ and the overlaps. It was concluded that incisor overlap had a direct influence on the measure of speaking space of /s/ for dentate subjects, but this association was not present for complete denture wearers. Uniterms: Phonetics; Dental occlusion; Complete denture; Jaw relation record. objetivo deste estudo foi determinar a associação do espaço de pronúncia do som /s/ com os trespasses vertical e horizontal em dois grupos de indivíduos. O Grupo I foi formado por 61 indivíduos com dentição permanente completa e o Grupo II por 33 usuários de próteses totais. Todos tiveram seus movimentos mandibulares determinados por um método eletromagnético. O espaço de pronúncia do /s/ foi obtido em cada indivíduo conforme eram instruídos a dizer a palavra 'seis' por três vezes. A distância interoclusal média durante a produção do /s/ foi considerada como sendo o espaço de pronúncia do /s/. Os trespasses incisais vertical e horizontal também foram mensurados. Os valores médios do espaço de pronúncia do /s/ foram 2.22 mm (± 1.38) para o Grupo I e 2.61 mm (± 1.53) para o Grupo II. Para o Grupo I, observou-se associação entre o espaço de pronúncia do /s/ e os trespasses vertical (r=0.36, P<0.01) e horizontal (r=0.45, P<0.01). Para o Grupo II, não foi encontrada nenhuma correlação significante entre o espaço de pronúncia do /s/ e os trespasses. Concluiu-se que o trespasse incisal teve influência direta sobre as medidas do espaço de pronúncia do /s/ em indivíduos dentados, mas esta associação não esteve presente nos usuários de próteses totais. Unitermos: Fonética; Oclusão dentária; Prótese total; Registro da relação maxilomandibular. ASSOCIATION BETWEEN THE SPEAKING SPACE OF /S/ SOUND AND INCISAL OVERLAPS IN DENTATE AND EDENTATE SUBJECTS ASSOCIAÇÃO ENTRE O ESPAÇO DE PRONÚNCIA DO SOM /S/ E OS TRESPASSES INCISAIS EM INDIVÍDUOS DENTADOS E EDENTADOS 413J Appl Oral Sci. 2005;13(4):413-7

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“…However, the hypothesis that the CCS could be smaller than IORS have been contested, and recent studies have verified that there are no statistical differences between these two measures during the pronunciation of some sounds 11 , because they are not different physiologic phenomena 12 . In addition, the minimal electromyographical activity (EMG) of some masticatory muscles does not usually correspond to the clinical rest position 10 .…”

Section: Introductionmentioning

confidence: 99%

“…It is recognized that the CSS can vary among idioms and according to Lu, et al 9 (1993) there are differences in the CSS between English and Cantonese languages. As the CSS is produced during sibilants sounds pronunciation 9,12,14 , some authors considered it as being equivalent to the interocclusal distance during speech of /m/ and /s/ phonemes.…”

Section: Introductionmentioning

confidence: 99%

Short term evaluation of interocclusal distance during speech after new removable prosthesis insertion

2003

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he aim of this study was to evaluate the interocclusal distance during the pronunciation of /m/ and /s/ sounds from Portuguese Language, in partially edentulous patients before and after new partial and total prosthesis installation. The subjects were divided into two groups: Experimental group, consisting of 9 patients entirely edentate in the upper maxillary arch and classified as Kennedy Class I in the lower arch; and Control group, consisting of 9 totally dentate patients. The subjects from the first group had their worn out dentures changed and the occlusal vertical dimension (OVD) corrected. A magnetic method of jaw tracking was used to measure the interocclusal distance (mm) during pronunciation of those phonemes. Comparison between groups, by t test, showed significant difference (p<0.05) for /m/ sound in all periods of time: before prosthesis installation -T0 (3.38±1.23), immediately -T1 (2.15±1.06), six hours -T2 (3.41±1.33), twenty-four hours -T3 (2.92±0.92), two days -T4 (4.80±1.93), one week -T5 (3.87±1.43), two weeks -T6 (3.03±0.96), one month -T7 (3.03±0.96), two months -T8 (4.47±1.45) and three months -T9 (4.33±2.56), except for six months -T10 after prosthesis installation. For /s/ sound phoneme the results were different (p<0.05) between the groups in T1 (2.89±1.33), T2 (3.37±1.22), T3 (3.19±1.06), T4 (3.86±1.21), T5 (3.83±1.32), T6 (3.27±1.10), T7 (3.37±0.99) and T10 (3.84±1.38) after oral rehabilitation. The paired-t test, for means comparison between before and after prosthesis insertion, indicated significant differences (p<0.05) for /m/ sound only in T1, and for /s/ sound in T1, T2, T3, T6, T7 and T10. It was concluded that new prosthesis insertion, correcting the OVD, changes the interocclusal distance, and for /m/ sound this distance could be recovered after six months of prosthesis wearing.

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Variability of closest speaking space compared with interocclusal distance in dentulous subjects

Cited by 22 publications

References 20 publications

Relation between speaking space of the /s/ sound and freeway space in dentate and edentate subjects

Relation between speaking space of the /s/ sound and freeway space in dentate and edentate subjects

Association between the speaking space of /s/ sound and incisal overlaps in dentate and edentate subjects

Short term evaluation of interocclusal distance during speech after new removable prosthesis insertion

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