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Keiji Moriyama

Biographic Data

ID7401988
NAMEKeiji Moriyama
GIVEN NAMESKeiji
FAMILY NAMEMoriyama
SIGNATUREMORIYAMA K
AFFILIATIONSTokyo Medical and Dental University
ORCID0000-0003-0580-4510
VERIFIEDYes
TOTAL WORKS7
TOTAL CITATIONS0
AUTHOR COUNT7
EDITOR COUNT0
FIRST PUBLICATION YEAR2017
LATEST PUBLICATION YEAR2024
H-INDEX0
  • Association between Short Stature at Grade 1 and Permanent Teeth Caries at Grade 6 in Elementary School Children in Japan

    Open Access•Ayako Suzuki, Yukinori Tani et al.•ARTICLE•International Journal of…•2024

    Short stature in children is a marker of low nutritional status and has been suggested to be associated with dental caries. However, longitudinal studies on this topic are scarce. Data from a longitudinal study of elementary school children in Adachi City, Tokyo, Japan, were analyzed. In 2015, caregivers of children at grade 1 answered questionnaires, and information on dental caries and height measured at school health checkups was merged and fo…

  • Association between Child Abuse and Poor Oral Habits in Mongolian Adolescents

    Open Access•Aina Okawara, Yusuke Matsuyama et al.•ARTICLE•International Journal of…•2022

    (1) This study aimed to investigate the association between child abuse and oral habits in adolescents in Mongolia. (2) A cross-sectional survey was conducted with children and their caregivers in Ulaanbaatar, Mongolia. Parents of 770 children enrolled in two public schools in Ulaanbaatar, Mongolia, completed questionnaires regarding the physical and psychological abuse that their children were subjected to and the presence of poor oral habits (b…

  • Case Report

    Open Access•Motoko Watanabe, Chaoli Hong et al.•ARTICLE•Frontiers in Psychiatry•2021

    Introduction: Phantom bite syndrome (PBS) is considered as the preoccupation with dental occlusion and the continual inability to adapt to changed occlusion. These patients constantly demand occlusal corrections and undergo extensive and excessive dental treatments. We present three cases with PBS-suspected iatrogenic concerns and the attribution to underlying psychosis. Case Presentation: A 70-year-old female demanded orthodontic retreatment and…

  • Association between Smoking during Pregnancy and Short Root Anomaly in Offspring

    Open Access•Y Sagawa, Takuya Ogawa et al.•ARTICLE•International Journal of…•2021

    Short root anomaly (SRA) is a dental anomaly with short dental roots and its pathogenesis is poorly understood. This study investigated the association between maternal smoking during pregnancy and SRA in offspring. A survey was conducted on 558 children aged 8-16 years from two public schools in Ulaanbaatar, Mongolia. SRA was diagnosed using cases with a root-crown ratio of maxillary central incisors of ≤1.0. A questionnaire survey was conducted…

  • The Consumption of Sweets and Academic Performance among Mongolian Children

    Open Access•Noboru Nakahara, Yusuke Matsuyama et al.•ARTICLE•International Journal of…•2020

    The regular consumption of sweets has been shown to have an adverse association with the academic performance of children in developed countries; however, the situation in developing countries is less clear. Therefore, we examined the association between the consumption of sweets and academic performance among Mongolian children via a cross-sectional study employing data from 787 children aged 8-16 from two public schools in Ulaanbaatar, the capi…

  • Association between Maternal Smoking during Pregnancy and Missing Teeth in Adolescents

    Open Access•Junka Nakagawa Kang, Yuko Yasuda et al.•ARTICLE•International Journal of…•2019

    Tooth agenesis and disturbance of tooth eruption is the most prevalent oral defect, and is possibly caused by the interaction of genetic and environmental factors. We hypothesized that prenatal factors may affect tooth development. The objective of this study was to examine whether smoking during pregnancy was associated with missing teeth in the offspring during adolescence. The study population comprised pregnant women and their children regist…

  • Associations between Malocclusion and Oral Health-Related Quality of Life among Mongolian Adolescents

    Open Access•Miyu Yoshizawa Araki, Miyu Araki et al.•ARTICLE•International Journal of…•2017

    Malocclusion may affect oral health-related quality of life (OHR-QoL), however, the previously detected associations were affected by confounding factors. We hypothesized that there is indeed an association between OHR-QoL and malocclusion and investigated in a population-based study of 420 Mongolian adolescents mean age: 12.6 (standard deviation (SD) = 1.09) years from two secondary schools, located in an urban and a suburban area. We randomly s…

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  • Associations between Malocclusion and Oral Health-Related Quality of Life among Mongolian Adolescents

    Open Access•Miyu Yoshizawa Araki, Miyu Araki et al.•ARTICLE•International Journal of…•2017

    Malocclusion may affect oral health-related quality of life (OHR-QoL), however, the previously detected associations were affected by confounding factors. We hypothesized that there is indeed an association between OHR-QoL and malocclusion and investigated in a population-based study of 420 Mongolian adolescents mean age: 12.6 (standard deviation (SD) = 1.09) years from two secondary schools, located in an urban and a suburban area. We randomly s…

  • Association between Maternal Smoking during Pregnancy and Missing Teeth in Adolescents

    Open Access•Junka Nakagawa Kang, Yuko Yasuda et al.•ARTICLE•International Journal of…•2019

    Tooth agenesis and disturbance of tooth eruption is the most prevalent oral defect, and is possibly caused by the interaction of genetic and environmental factors. We hypothesized that prenatal factors may affect tooth development. The objective of this study was to examine whether smoking during pregnancy was associated with missing teeth in the offspring during adolescence. The study population comprised pregnant women and their children regist…

  • The Consumption of Sweets and Academic Performance among Mongolian Children

    Open Access•Noboru Nakahara, Yusuke Matsuyama et al.•ARTICLE•International Journal of…•2020

    The regular consumption of sweets has been shown to have an adverse association with the academic performance of children in developed countries; however, the situation in developing countries is less clear. Therefore, we examined the association between the consumption of sweets and academic performance among Mongolian children via a cross-sectional study employing data from 787 children aged 8-16 from two public schools in Ulaanbaatar, the capi…

  • Case Report

    Open Access•Motoko Watanabe, Chaoli Hong et al.•ARTICLE•Frontiers in Psychiatry•2021

    Introduction: Phantom bite syndrome (PBS) is considered as the preoccupation with dental occlusion and the continual inability to adapt to changed occlusion. These patients constantly demand occlusal corrections and undergo extensive and excessive dental treatments. We present three cases with PBS-suspected iatrogenic concerns and the attribution to underlying psychosis. Case Presentation: A 70-year-old female demanded orthodontic retreatment and…

  • Association between Smoking during Pregnancy and Short Root Anomaly in Offspring

    Open Access•Y Sagawa, Takuya Ogawa et al.•ARTICLE•International Journal of…•2021

    Short root anomaly (SRA) is a dental anomaly with short dental roots and its pathogenesis is poorly understood. This study investigated the association between maternal smoking during pregnancy and SRA in offspring. A survey was conducted on 558 children aged 8-16 years from two public schools in Ulaanbaatar, Mongolia. SRA was diagnosed using cases with a root-crown ratio of maxillary central incisors of ≤1.0. A questionnaire survey was conducted…

  • Association between Child Abuse and Poor Oral Habits in Mongolian Adolescents

    Open Access•Aina Okawara, Yusuke Matsuyama et al.•ARTICLE•International Journal of…•2022

    (1) This study aimed to investigate the association between child abuse and oral habits in adolescents in Mongolia. (2) A cross-sectional survey was conducted with children and their caregivers in Ulaanbaatar, Mongolia. Parents of 770 children enrolled in two public schools in Ulaanbaatar, Mongolia, completed questionnaires regarding the physical and psychological abuse that their children were subjected to and the presence of poor oral habits (b…

  • Association between Short Stature at Grade 1 and Permanent Teeth Caries at Grade 6 in Elementary School Children in Japan

    Open Access•Ayako Suzuki, Yukinori Tani et al.•ARTICLE•International Journal of…•2024

    Short stature in children is a marker of low nutritional status and has been suggested to be associated with dental caries. However, longitudinal studies on this topic are scarce. Data from a longitudinal study of elementary school children in Adachi City, Tokyo, Japan, were analyzed. In 2015, caregivers of children at grade 1 answered questionnaires, and information on dental caries and height measured at school health checkups was merged and fo…

Medicine (7 works) · Demography (4 works) · Demography (4 works) · Dentistry (4 works) · Environmental health (4 works) · Psychology (4 works) · Association (psychology (3 works) · Population (3 works) · Cleft Lip and Palate Research (2 works) · Confidence interval (2 works)

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