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Daily life habits associated with eveningness lead to a higher prevalence of dental caries in children

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Title: Daily life habits associated with eveningness lead to a higher prevalence of dental caries in children
Authors: Nishide, Shinya Browse this author →KAKEN DB
Yoshihara, Toshihiro Browse this author →KAKEN DB
Hongou, Hirohisa Browse this author
Kanehira, Takashi Browse this author →KAKEN DB
Yawaka, Yasutaka Browse this author →KAKEN DB
Keywords: Dental caries
Oral health
Circadian rhythms
Life habits
Questionnaire
Issue Date: Sep-2019
Publisher: Elsevier
Journal Title: Journal of dental sciences
Volume: 14
Issue: 3
Start Page: 302
End Page: 308
Publisher DOI: 10.1016/j.jds.2019.01.015
Abstract: Background/purpose: Circadian rhythm is an endogenous daily variation observed in most physiological functions including salivary secretion. Irregular lifestyle causes many diseases such as obesity and sleep disorders. The aim of this study is to examine the effects of the timings of sleep and meal on the prevalence of dental caries. Materials and methods: Study was conducted at university hospital in Japan. We asked 230 children (1-16 years old) to record the following life habits for 8 days: waking time, bedtime, mealtimes, snacking frequency, and tooth brushing frequency. We analyzed sleep habits from all data and compared dental caries and life habits using data from subjects with primary (2-7 years old) or permanent (11-16 years old) dentition period. Results: The number of dental caries assessed using the decay or filled teeth (dft) index correlated with bedtime, supper time, regularity of supper time, and snacking frequency in subjects with primary dentition. Multiple regression analysis revealed that bedtime and snacking frequency were mutually independent risk factors for dental caries. No correlations were found between the prevalence of dental caries and other measurement items. The number of caries correlated with the regularity of supper time and age in subjects with permanent dentition. Conclusion: Children with daily life habits associated with eveningness have a higher prevalence of dental caries. (C) 2019 Association for Dental Sciences of the Republic of China. Publishing services by Elsevier B.V.
Rights: https://creativecommons.org/licenses/by-nc-nd/4.0/
Type: article
URI: http://hdl.handle.net/2115/75894
Appears in Collections:歯学院・歯学研究院 (Graduate School of Dental Medicine / Faculty of Dental Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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