A Longitudinal Study on Dental Caries Focusing on Long-Term Breastfed Children in Japan

Otsugu, Masatoshi; Mikasa, Yusuke; Kadono, Maika; Matsunami, Katsura; Nakamura, Motomi; Ohno, Yuko; Kato, Takafumi; Nakano, Kazuhiko

doi:https://doi.org/10.3390/nu17243846

A Longitudinal Study on Dental Caries Focusing on Long-Term Breastfed Children in Japan

Otsugu, Masatoshi; Mikasa, Yusuke; Kadono, Maika et al.

Nutrients, 2025, 17(24), 3846

アクセス数:22件（2026-04-03 13:51 集計）

固定URL: https://hdl.handle.net/11094/104050

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タイトル	A Longitudinal Study on Dental Caries Focusing on Long-Term Breastfed Children in Japan
著者	NRID 1000040803086 1000040803086 researchmap permalink tsugu tsugu Scopus Author ID 55853966200 55853966200 著者名 Otsugu, Masatoshi
	ORCID 0009-0000-1538-0745 0009-0000-1538-0745 Scopus Author ID 57851237900 57851237900 著者名 Mikasa, Yusuke
	著者名 Kadono, Maika
	著者名 Matsunami, Katsura
	著者名 Nakamura, Motomi
	NRID 1000060183026 1000060183026 著者名 Ohno, Yuko
	NRID 1000050367520 1000050367520 ORCID 0000-0003-2452-7328 0000-0003-2452-7328 researchmap permalink read0111598_hrfc15 read0111598_hrfc15 Scopus Author ID 57210579311 57210579311 著者名 Kato, Takafumi
	NRID 1000000379083 1000000379083 researchmap permalink read0202427 read0202427 Scopus Author ID 7402011667 7402011667 著者名 Nakano, Kazuhiko
キーワード等	breastfeeding
	dental caries
	longitudinal analysis
	mental health
	postnatal class
内容	Otsugu M., Mikasa Y., Kadono M., et al. A Longitudinal Study on Dental Caries Focusing on Long-Term Breastfed Children in Japan. Nutrients 17, 3846 (2025); https://doi.org/10.3390/nu17243846.
抄録	Background/Objectives: Although the relationship between prolonged breastfeeding and early childhood caries remains unclear, dentists must manage children’s oral health while respecting mothers’ chosen feeding practices and providing information on maintaining oral health as long as possible. This longitudinal study was performed to investigate the occurrence of dental caries and identify associated factors, with particular attention to maternal condition and oral-health-related support in long-term breastfed children. Methods: Of 6746 children aged 42 months in Toyonaka City, Japan, 1210 who had been breastfed for at least the first 18 months were enrolled. Participants underwent oral examinations and anthropometric measurements at 18 and 42 months of age. In addition, a self-administered questionnaire was distributed to families when the child was 18 months old. Logistic regression analysis was used to evaluate risk factors for dental caries, with caries occurrence at 42 months as the dependent variable. Results: Overall, 24.3% of the children had experienced dental caries at 42 months. Logistic regression analysis identified several significant factors associated with caries occurrence: birth order (p < 0.001), snacking frequency (p = 0.038), Cariostat® caries-risk test results (p < 0.001), and wake-up time (p = 0.015) among child factors, and parental exhaustion (p = 0.041) and participation in postnatal oral health classes (p = 0.005) among maternal factors. Conclusions: Waking habits in early childhood, maternal psychological condition, and participation in postnatal oral health instruction were significantly associated with dental caries occurrence over time among long-term breastfed children.
出版者	Multidisciplinary Digital Publishing Institute (MDPI)
収録物名	Nutrients
巻(号)	17(24)
ページ	3846
刊行年月	2025-12-09
言語	英語
ハンドルURL	https://hdl.handle.net/11094/104050
eISSN	20726643
関連情報 (isIdenticalTo)	DOI (出版社版) https://doi.org/10.3390/nu17243846
アクセス権	open access
権利情報	This article is licensed under a Creative Commons Attribution 4.0 International License.
出版タイプ	Version of Record
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	Nutrients. 2025, 17(24), p. 3846
DC.title	A Longitudinal Study on Dental Caries Focusing on Long-Term Breastfed Children in Japan
DC.creator	Otsugu, Masatoshi
	Mikasa, Yusuke
	Kadono, Maika
	Matsunami, Katsura
	Nakamura, Motomi
	Ohno, Yuko
	Kato, Takafumi
	Nakano, Kazuhiko
DC.publisher	Multidisciplinary Digital Publishing Institute (MDPI)
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2025-12-09
DC.identifier	https://doi.org/10.3390/nu17243846
DC.subject	breastfeeding
	dental caries
	longitudinal analysis
	mental health
	postnatal class
DC.description	Otsugu M., Mikasa Y., Kadono M., et al. A Longitudinal Study on Dental Caries Focusing on Long-Term Breastfed Children in Japan. Nutrients 17, 3846 (2025); https://doi.org/10.3390/nu17243846.
DCTERMS.abstract	Background/Objectives: Although the relationship between prolonged breastfeeding and early childhood caries remains unclear, dentists must manage children’s oral health while respecting mothers’ chosen feeding practices and providing information on maintaining oral health as long as possible. This longitudinal study was performed to investigate the occurrence of dental caries and identify associated factors, with particular attention to maternal condition and oral-health-related support in long-term breastfed children. Methods: Of 6746 children aged 42 months in Toyonaka City, Japan, 1210 who had been breastfed for at least the first 18 months were enrolled. Participants underwent oral examinations and anthropometric measurements at 18 and 42 months of age. In addition, a self-administered questionnaire was distributed to families when the child was 18 months old. Logistic regression analysis was used to evaluate risk factors for dental caries, with caries occurrence at 42 months as the dependent variable. Results: Overall, 24.3% of the children had experienced dental caries at 42 months. Logistic regression analysis identified several significant factors associated with caries occurrence: birth order (p < 0.001), snacking frequency (p = 0.038), Cariostat® caries-risk test results (p < 0.001), and wake-up time (p = 0.015) among child factors, and parental exhaustion (p = 0.041) and participation in postnatal oral health classes (p = 0.005) among maternal factors. Conclusions: Waking habits in early childhood, maternal psychological condition, and participation in postnatal oral health instruction were significantly associated with dental caries occurrence over time among long-term breastfed children.
DC.rights	This article is licensed under a Creative Commons Attribution 4.0 International License.
DC.format	104050
citation_title	A Longitudinal Study on Dental Caries Focusing on Long-Term Breastfed Children in Japan
citation_author	Otsugu, Masatoshi
	Mikasa, Yusuke
	Kadono, Maika
	Matsunami, Katsura
	Nakamura, Motomi
	Ohno, Yuko
	Kato, Takafumi
	Nakano, Kazuhiko
citation_publisher	Multidisciplinary Digital Publishing Institute (MDPI)
citation_language	英語
citation_date	2025-12-09
citation_journal_title	Nutrients
citation_volume	17
citation_issue	24
citation_firstpage	3846
citation_doi	https://doi.org/10.3390/nu17243846
citation_public_url	https://hdl.handle.net/11094/104050

A Longitudinal Study on Dental Caries Focusing on Long-Term Breastfed Children in Japan

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