Evaluation of genetic factors involved in nocturnal electromyographic activity of masticatory muscles in twins

Takaoka, Ryota; Ishigaki, Shoichi; Yatani, Hirofumi; Ogata, Soshiro; Hayakawa, Kayoko

doi:10.1007/s00784-016-1794-3

Cited by 11 publications

(54 citation statements)

References 32 publications

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“…18 The same results were also found in Japanese twins. 19 In the studies cited above, with the exception of the last one, the diagnosis of SB used to assess heritability was based on self-report or clinical criteria; the absence of polysomnographic recording to confirm SB using validated research methodology restrains extrapolation of these findings.…”

Section: Significancementioning

confidence: 99%

Sleep Bruxism-Tooth Grinding Prevalence, Characteristics and Familial Aggregation: A Large Cross-Sectional Survey and Polysomnographic Validation

Khoury

Carrà

Huynh

et al. 2016

Sleep

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Study Objectives: Sleep bruxism (SB) is characterized by tooth grinding and jaw clenching during sleep. Familial factors may contribute to the occurrence of SB. This study aims are: (1) revisit the prevalence and characteristics of SB in a large cross-sectional survey and assess familial aggregation of SB, (2) assess comorbidity such as insomnia and pain, (3) compare survey data in a subset of subjects diagnosed using polysomnography research criteria. Methods: A sample of 6,357 individuals from the general population in Quebec, Canada, undertook an online survey to assess the prevalence of SB, comorbidities, and familial aggregation. Data on familial aggregation were compared to 111 SB subjects diagnosed using polysomnography. Results: Regularly occurring SB was reported by 8.6% of the general population, decreases with age, without any gender difference. SB awareness is concomitant with complaints of difficulties maintaining sleep in 47.6% of the cases. A third of SB positive probands reported pain. A 2.5 risk ratio of having a first-degree family member with SB was found in SB positive probands. The risk of reporting SB in first-degree family ranges from 1.4 to 2.9 with increasing severity of reported SB. Polysomnographic data shows that 37% of SB subjects had at least one first-degree relative with reported SB with a relative risk ratio of 4.625. Conclusions: Our results support the heritability of SB-tooth grinding and that sleep quality and pain are concomitant in a significant number of SB subjects.

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Section: Significancementioning

confidence: 99%

Sleep Bruxism-Tooth Grinding Prevalence, Characteristics and Familial Aggregation: A Large Cross-Sectional Survey and Polysomnographic Validation

Khoury

Carrà

Huynh

et al. 2016

Sleep

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“…Detachment of the device during sleep occurred in 13 out of 63 (20.6%) recordings. Detachments have been reported in other studies . Takaoka et al encountered lack of adhesiveness of the EMG device (GrindCare 3.0, Medotech A/S) in one out of 106 (0.9%) participants performing three recordings.…”

Section: Discussionmentioning

confidence: 70%

“…Detachments have been reported in other studies . Takaoka et al encountered lack of adhesiveness of the EMG device (GrindCare 3.0, Medotech A/S) in one out of 106 (0.9%) participants performing three recordings. Shedden Mora et al reported loosened electrodes and failure to charge batteries of the EMG devices (basic PTA device, Haynl Elektronik GmbH with silver‐silver‐chloride electrodes; T3402 Triodes, Thought Technology Ltd) in nine out of 117 (7.7%) participants performing three overnight recordings .…”

Section: Discussionmentioning

confidence: 70%

“…The electrode used presently carries the EMG sensor. In the studies of Shedden Mora et al and Takaoka et al, the sensor was attached to the electrode through a wire. It is thus possible that the weight and/or volume of the sensor in the current study contributed to detachment from the skin.…”

Section: Discussionmentioning

confidence: 99%

“…Portable EMG devices have been used in sleep bruxism studies (eg ), and their further development may prove extremely useful for future research. To our knowledge, however, no studies have addressed the issue of how participants experience the use of such devices.…”

Section: Introductionmentioning

confidence: 99%

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Patient‐based experiences with the use of an ambulatory electromyographic device for the assessment of masticatory muscle activity during sleep

Thymi

Verhoeff

Visscher

et al. 2020

J of Oral Rehabilitation

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Background: It is important to know how easy or difficult it is to use an ambulatory electromyographic (EMG) device for sleep bruxism assessment, and how this might affect its future utilisation. Objective:To explore the experience of individuals using an EMG device that pairs with a smartphone app, in order to detect factors that could facilitate and/or hamper its utilisation in future scientific research. Methods: Fifteen adults were recruited in the Orofacial Pain and Dysfunction Clinic of the Academic Centre for Dentistry Amsterdam (ACTA). Overnight recordings were performed in the home setting during one week. Time investment, feelings and thoughts, encountered difficulties and reasons for not using the device were assessed in a diary through open-ended questions and 5-point Likert scales. Content analysis of textual data was performed, and descriptives of quantitative data were calculated.Results: Time investment was low (mean 10.2 minutes in the clinic, and 1.9 minutes per recording at home). Quantitative data showed an overall good experience (median of 4). Qualitative diary data showed that the desire to gain insight into one's masticatory muscle activity formed the main motivation to use the device. Device detachment and difficulty in using the app were the most prominent negative experiences. Conclusion:The EMG device was well accepted for multiple overnight recordings.Curiosity for gaining insight into muscle activity was the most important factor that facilitated its use, and the app addressed this need. Device detachment and difficulties in using the app were the main factors that hampered its use. K E Y W O R D Sambulatory, electromyography, experience, mixed methods, sleep bruxism, smartphone

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Genetics and sleep bruxism: a systematic review and meta-analysis of studies with twins

Pereira,

Muniz,

de Lima

et al. 2024

Sleep Breath

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Evaluation of genetic factors involved in nocturnal electromyographic activity of masticatory muscles in twins

Cited by 11 publications

References 32 publications

Sleep Bruxism-Tooth Grinding Prevalence, Characteristics and Familial Aggregation: A Large Cross-Sectional Survey and Polysomnographic Validation

Sleep Bruxism-Tooth Grinding Prevalence, Characteristics and Familial Aggregation: A Large Cross-Sectional Survey and Polysomnographic Validation

Patient‐based experiences with the use of an ambulatory electromyographic device for the assessment of masticatory muscle activity during sleep

Genetics and sleep bruxism: a systematic review and meta-analysis of studies with twins

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