Oral diadochokinesis and associated oro-facial function in young and old German mother-tongue speakers: A cross-sectional study.

Schimmel, Martin; Domioni, Tania; Bukvic, Hristina; Arakawa, Itsuka; Seifert, Eberhard; Abou-Ayash, Samir (2022). Oral diadochokinesis and associated oro-facial function in young and old German mother-tongue speakers: A cross-sectional study. Gerodontology, 39(1), pp. 33-40. Wiley-Blackwell 10.1111/ger.12602

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OBJECTIVES

The aims of this study were to compare oral diadochokinesis and to test associations with oro-facial functional parameters in healthy young and old German speakers.

BACKGROUND

Oral diadochokinesis is a key component in the concept of oro-facial hypofunction and relates to tongue and lip motor function but may depend on the linguistic background.

MATERIALS AND METHODS

Healthy German speakers with a minimum of 20 teeth were recruited to form a young (<60 years) and an older group (≥60 years). Oral diadochokinesis was assessed as the number of repetitions/s for the monosyllables /pa/, /ta/ and /ka/ to evaluate movement capacity of the lip, the anterior region of the tongue and the posterior region of the tongue, respectively. Maximum voluntary lip force, maximum voluntary bite force, masticatory performance, maximum voluntary tongue pressure, xerostomia and swallowing function were assessed with validated instruments. Results are presented as median (IQR).

RESULTS

Sixty participants formed the younger group (n = 35, 30.0 years [24.0-49.0]) and the older group (n = 25, 64.0 years [62.0-72.0]). Counts/s of /ta/ were different between age groups (younger group: 6.0 vs older group: 5.4) but not for syllables /pa/ (younger group: 6.0 vs older group: 5.8) and /ka/ (younger group: 5.6 vs older group: 5.0). The oral diadochokinesis with /pa/ was overall associated with maximum voluntary lip force; oral diadochokinesis performed with /ta/ was associated with tongue pressure, and oral diadochokinesis with /ka/ with swallowing function. Masticatory performance was not associated with oral diadochokinesis but with maximum voluntary bite force, xerostomia and with maximum voluntary tongue pressure.

CONCLUSIONS

The published thresholds for oral diadochokinesis should be reconsidered in non-Japanese mother-tongue speakers. However, they still play an important role in the overall concept of oro-facial functional assessment.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Ear, Nose and Throat Disorders (ENT)
04 Faculty of Medicine > School of Dental Medicine > Department of Reconstructive Dentistry and Gerodontology

UniBE Contributor:

Schimmel, Martin, Bukvic, Hristina, Arakawa, Itsuka, Seifert, Eberhard, Abou-Ayash, Samir

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0734-0664

Publisher:

Wiley-Blackwell

Language:

English

Submitter:

Lena Augé

Date Deposited:

13 Jan 2022 14:19

Last Modified:

05 Dec 2022 15:59

Publisher DOI:

10.1111/ger.12602

PubMed ID:

34741348

Uncontrolled Keywords:

cross-sectional study oral diadochokinesis oro-facial fitness oro-facial hypofunction

BORIS DOI:

10.48350/163261

URI:

https://boris.unibe.ch/id/eprint/163261

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