Toyama, Naoki - OU Author List - OKAYAMA UNIVERSITY SCIENTIFIC ACHIEVEMENT REPOSITORY

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Effects of Trehalose on Halitosis: A Randomized Cross-Over Clinical Trial

FullText URL	fulltext.pdf
Author	Miyai, Hisataka\| Tomofuji, Takaaki\| Mizuno, Hirofumi\| Morita, Manabu\| Nakahara, Momoko\| Kataoka, Kota\| Sumita, Ichiro\| Uchida, Yurika\| Toyama, Naoki\| Yokoi, Aya\| Yamanaka-Kohno, Reiko\| Takeuchi, Noriko\| Maruyama, Takayuki\| Ekuni, Daisuke\|
Keywords	halitosis trehalose oral dryness cross-over study randomized trial
Published Date	2025-03-13
Publication Title	Healthcare
Volume	volume13
Issue	issue6
Publisher	MDPI
Start Page	619
ISSN	2227-9032
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2025 by the authors.
File Version	publisher
PubMed ID	40150469
DOI	10.3390/healthcare13060619
Web of Science KeyUT	001452703300001
Related Url	isVersionOf https://doi.org/10.3390/healthcare13060619

Nutrients Associated with Sleep Bruxism

FullText URL	fulltext.pdf
Author	Toyama, Naoki\| Ekuni, Daisuke\| Fukuhara, Daiki\| Sawada, Nanami\| Yamashita, Miho\| Komiyama, Momoe\| Nagahama, Takahiko\| Morita, Manabu\|
Keywords	sleep bruxism dietary fiber electromyography young adult biostatistics nutrition assessment
Published Date	2023-03-31
Publication Title	Journal of Clinical Medicine
Volume	volume12
Issue	issue7
Publisher	MDPI
Start Page	2623
ISSN	2077-0383
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2023 by the authors.
File Version	publisher
PubMed ID	37048706
DOI	10.3390/jcm12072623
Web of Science KeyUT	000968798300001
Related Url	isVersionOf https://doi.org/10.3390/jcm12072623

The Impact of Oral Health Behaviors, Health Belief Model, and Absolute Risk Aversion on the Willingness of Japanese University Students to Undergo Regular Dental Check-Ups: A Cross-Sectional Study

FullText URL	fulltext.pdf
Author	Sumita, Ichiro\| Toyama, Naoki\| Ekuni, Daisuke\| Maruyama, Takayuki\| Yokoi, Aya\| Fukuhara, Daiki\| Uchida-Fukuhara, Yoko\| Nakahara, Momoko\| Morita, Manabu\|
Keywords	oral health behaviors health belief model absolute risk aversion
Published Date	2022-10-26
Publication Title	INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
Volume	volume19
Issue	issue21
Publisher	MDPI
Start Page	13920
ISSN	1660-4601
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2022 by the authors.
File Version	publisher
PubMed ID	36360797
DOI	10.3390/ijerph192113920
Web of Science KeyUT	000882599400001
Related Url	isVersionOf https://doi.org/10.3390/ijerph192113920

Features of the oral microbiome in Japanese elderly people with 20 or more teeth and a non-severe periodontal condition during periodontal maintenance treatment: A cross-sectional study

FullText URL	fulltext.pdf
Author	Toyama, Naoki\| Ekuni, Daisuke\| Yokoi, Aya\| Fukuhara, Daiki\| Islam, Md Monirul\| Sawada, Nanami\| Nakashima, Yukiho\| Nakahara, Momoko\| Sumita, Ichiro\| Morita, Manabu\|
Keywords	oral microbiome elderly people diversity bacteria non-severe periodontal condition
Published Date	2022-10-06
Publication Title	Frontiers In Cellular And Infection Microbiology
Volume	volume12
Publisher	Frontiers Media SA
Start Page	957890
ISSN	2235-2988
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2022 Toyama, Ekuni, Yokoi, Fukuhara, Islam, Sawada, Nakashima, Nakahara, Sumita and Morita.
File Version	publisher
PubMed ID	36275030
DOI	10.3389/fcimb.2022.957890
Web of Science KeyUT	000874245900001
Related Url	isVersionOf https://doi.org/10.3389/fcimb.2022.957890

Trends in Self-Rated Oral Health and Its Associations with Oral Health Status and Oral Health Behaviors in Japanese University Students: A Cross-Sectional Study from 2011 to 2019

FullText URL	fulltext.pdf
Author	Nakahara, Momoko\| Toyama, Naoki\| Ekuni, Daisuke\| Takeuchi, Noriko\| Maruyama, Takayuki\| Yokoi, Aya\| Fukuhara, Daiki\| Sawada, Nanami\| Nakashima, Yukiho\| Morita, Manabu\|
Keywords	self-rated oral health oral health behaviors caries gingivitis oral hygiene oral health behavioral sciences
Published Date	2022-10-20
Publication Title	International Journal of Environmental Research and Public Health
Volume	volume19
Issue	issue20
Publisher	MDPI
Start Page	13580
ISSN	1660-4601
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2022 by the authors.
File Version	publisher
PubMed ID	36294160
DOI	10.3390/ijerph192013580
Web of Science KeyUT	000873221100001
Related Url	isVersionOf https://doi.org/10.3390/ijerph192013580

Comprehensive Analysis of Risk Factors for Periodontitis Focusing on the Saliva Microbiome and Polymorphism

FullText URL	fulltext.pdf
Author	Toyama, Naoki\| Ekuni, Daisuke\| Matsui, Daisuke\| Koyama, Teruhide\| Nakatochi, Masahiro\| Momozawa, Yukihide\| Kubo, Michiaki\| Morita, Manabu\|
Keywords	periodontitis microbiota single-nucleotide polymorphisms
Published Date	2021-06-14
Publication Title	International Journal of Environmental Research and Public Health
Volume	volume18
Issue	issue12
Publisher	MDPI
Start Page	6430
ISSN	1660-4601
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2021 by the authors.
File Version	publisher
PubMed ID	34198553
DOI	10.3390/ijerph18126430
Web of Science KeyUT	000666031300001
Related Url	isVersionOf https://doi.org/10.3390/ijerph18126430

Living with Family Is Directly Associated with Regular Dental Checkup and Indirectly Associated with Gingival Status among Japanese University Students: A 3-Year Cohort Study

FullText URL	fulltext.pdf
Author	Nakahara, Momoko\| Ekuni, Daisuke\| Kataoka, Kota\| Yokoi, Aya\| Uchida-Fukuhara, Yoko\| Fukuhara, Daiki\| Kobayashi, Terumasa\| Toyama, Naoki \| Saho, Hikari\| Islam, Md Monirul\| Iwasaki, Yoshiaki\| Morita, Manabu\|
Keywords	lifestyle dental health behavior oral health oral hygiene gingivitis behavioral sciences
Published Date	2021-01-05
Publication Title	International Journal of Environmental Research and Public Health
Volume	volume18
Issue	issue1
Publisher	MDPI
Start Page	324
ISSN	1660-4601
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2021 by the authors.
File Version	publisher
PubMed ID	33466244
DOI	10.3390/ijerph18010324
Web of Science KeyUT	000606664400001
Related Url	isVersionOf https://doi.org/10.3390/ijerph18010324

Association between Household Exposure to Secondhand Smoke and Dental Caries among Japanese Young Adults: A Cross-Sectional Study

FullText URL	fulltext.pdf
Author	Saho, Hikari\| Taniguchi-Tabata, Ayano\| Ekuni, Daisuke\| Yokoi, Aya\| Kataoka, Kouta\| Fukuhara, Daiki\| Toyama, Naoki \| Islam, Md Monirul\| Sawada, Nanami\| Nakashima, Yukiho\| Nakahara, Momoko\| Deguchi, Junya\| Uchida-Fukuhara, Yoko\| Yoneda, Toshiki\| Iwasaki, Yoshiaki\| Morita, Manabu\|
Keywords	secondhand smoke dental caries permanent dentition young adult
Published Date	2020-11-20
Publication Title	International Journal of Environmental Research and Public Health
Volume	volume17
Issue	issue22
Publisher	MDPI
Start Page	8623
ISSN	1660-4601
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2020 by the authors.
File Version	publisher
PubMed ID	33233610
DOI	10.3390/ijerph17228623
Web of Science KeyUT	000594343500001
Related Url	isVersionOf https://doi.org/10.3390/ijerph17228623

Relationship between oral hygiene knowledge, source of oral hygiene knowledge and oral hygiene behavior in Japanese university students: A prospective cohort study

FullText URL	fulltext.pdf
Author	Fukuhara, Daiki\| Ekuni, Daisuke\| Kataoka, Kota\| Taniguchi-Tabata, Ayano\| Uchida-Fukuhara, Yoko\| Toyama, Naoki \| Yoneda, Toshiki\| Sugiura, Yoshio\| Islam, Monirul\| Saho, Hikari\| Iwasaki, Yoshiaki\| Morita, Manabu\|
Published Date	2020-07-23
Publication Title	PLoS ONE
Volume	volume15
Issue	issue7
Publisher	Public Library of Science
Start Page	e0236259
ISSN	1932-6203
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2020 Fukuhara et al.
File Version	publisher
PubMed ID	32702010
DOI	10.1371/journal.pone.0236259
Web of Science KeyUT	000575913700064
Related Url	isVersionOf https://doi.org/10.1371/journal.pone.0236259

Caries Increment and Salivary Microbiome during University Life: A Prospective Cohort Study

FullText URL	fulltext.pdf
Author	Uchida-Fukuhara, Yoko\| Ekuni, Daisuke\| Islam, Md Monirul\| Kataoka, Kota\| Taniguchi-Tabata, Ayano\| Fukuhara, Daiki\| Toyama, Naoki \| Kobayashi, Terumasa\| Fujimori, Kohei\| Sawada, Nanami\| Iwasaki, Yoshiaki\| Morita, Manabu\|
Keywords	salivary microbiome sequence analysis young adult dental caries saliva oral health
Published Date	2020-05-25
Publication Title	International Journal of Environmental Research and Public Health
Volume	volume17
Issue	issue10
Publisher	MDPI
Start Page	3713
ISSN	1660-4601
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2020 by the authors.
File Version	publisher
PubMed ID	32466124
DOI	10.3390/ijerph17103713
Web of Science KeyUT	000539300900370
Related Url	isVersionOf https://doi.org/10.3390/ijerph17103713

Association between Sleep Quality and Duration and Periodontal Disease among University Students: A Cross-Sectional Study

FullText URL	fulltext.pdf
Author	Islam, Md Monirul\| Ekuni, Daisuke\| Toyama, Naoki \| Taniguchi-Tabata, Ayano\| Kataoka, Kota\| Uchida-Fukuhara, Yoko\| Fukuhara, Daiki\| Saho, Hikari\| Sawada, Nanami\| Nakashima, Yukiho\| Iwasaki, Yoshiaki\| Morita, Manabu\|
Keywords	sleep quality sleep duration periodontal disease university students
Published Date	2020-04-27
Publication Title	International Journal of Environmental Research and Public Health
Volume	volume17
Issue	issue9
Publisher	MDPI
ISSN	1660-4601
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2020 by the authors.
File Version	publisher
PubMed ID	32349308
DOI	10.3390/ijerph17093034
Web of Science KeyUT	000535745400058
Related Url	isVersionOf https://doi.org/10.3390/ijerph17093034

Relationship of Salivary Microbiome with the Worsening of the Periodontal Health Status in Young Adults: A 3-Year Cohort Study

FullText URL	fulltext.pdf
Author	Islam, Md Monirul\| Ekuni, Daisuke\| Toyama, Naoki \| Kobayashi, Terumasa\| Fujimori, Kohei\| Uchida, Yoko\| Fukuhara, Daiki\| Taniguchi-Tabata, Ayano\| Kataoka, Kota\| Iwasaki, Yoshiaki\| Morita, Manabu\|
Keywords	salivary microbiome periodontal health status oral hygiene cohort study young adults
Published Date	2020-03-09
Publication Title	International Journal of Environmental Research and Public Health
Volume	volume17
Issue	issue5
Publisher	MDPI
Start Page	1764
ISSN	1660-4601
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2020 by the authors.
File Version	publisher
PubMed ID	32182740
DOI	10.3390/ijerph17051764
Web of Science KeyUT	000522389200304
Related Url	isVersionOf https://doi.org/10.3390/ijerph17051764

Awareness of Clenching and Underweight are Risk Factors for Onset of Crowding in Young Adults: A Prospective 3-Year Cohort Study

FullText URL	ijerph16_5_00690.pdf
Author	Toyama, Naoki\| Ekuni, Daisuke\| Taniguchi-Tabata, Ayano\| Kataoka, Kota\| Yamane-Takeuchi, Mayu\| Fujimori, Kohei\| Kobayashi, Terumasa\| Fukuhara, Daiki\| Irie, Koichiro\| Azuma, Tetsuji\| Iwasaki, Yoshiaki\| Morita, Manabu\|
Keywords	bruxism cohort study malocclusion underweight young adults
Published Date	2019-02-26
Publication Title	International Journal of Environmental Research and Public Health
Volume	volume16
Issue	issue5
Publisher	MDPI
Start Page	690
ISSN	1660-4601
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2019 by the authors
File Version	publisher
PubMed ID	30813621
DOI	10.3390/ijerph16050690
Web of Science KeyUT	000462664200015
Related Url	isVersionOf https://doi.org/10.3390/ijerph16050690