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Tooth-Level Analysis of Dental Caries in Primary Dentition in Myanmar Children

Author

Listed:
  • Yoshiaki Nomura

    (Department of Translational Research, Tsurumi University School of Dental Medicine, Kanagawa 230-8501, Japan)

  • Ryoko Otsuka

    (Department of Translational Research, Tsurumi University School of Dental Medicine, Kanagawa 230-8501, Japan)

  • Wit Yee Wint

    (Department of Translational Research, Tsurumi University School of Dental Medicine, Kanagawa 230-8501, Japan)

  • Ayako Okada

    (Department of Operative Dentistry, Tsurumi University School of Dental Medicine, Yokohama 230-8501, Japan)

  • Ryo Hasegawa

    (Department of Translational Research, Tsurumi University School of Dental Medicine, Kanagawa 230-8501, Japan)

  • Nobuhiro Hanada

    (Department of Translational Research, Tsurumi University School of Dental Medicine, Kanagawa 230-8501, Japan)

Abstract

In developing countries, the prevalence of dental caries in children remains high, which means that implementing a simple and convenient classification is critical. The classification needs to be evidence-based and needs to reflect tooth-level information. In this study, the prevalence of dental caries in the primary dentition of 352 Myanmar school children at the ages of 5, 6, and 7 was analyzed at the tooth level to clarify the underlying data structure of the patterns of dental caries in the population. Ninety-three percent of subjects had caries in primary dentition and the mean number of decayed teeth in primary dentition was 7.54 ± 4.82. Based on the item response theory analysis, mixed-effect modeling, and Bayesian network analysis, we proposed the following classification: Group 1: No dental caries; Group 2: Dental caries in molar teeth or dental caries in maxillary anterior teeth; Group 3: Dental caries in both molar and maxillary anterior teeth; Group 4: Dental carries in mandibular anterior teeth. Dental caries (dmft) in the groups was different between groups. The results of characteristics of tooth-level information and classification presented in this study may be a useful instrument for the analysis of the data of dental caries prevalence in primary dentition.

Suggested Citation

  • Yoshiaki Nomura & Ryoko Otsuka & Wit Yee Wint & Ayako Okada & Ryo Hasegawa & Nobuhiro Hanada, 2020. "Tooth-Level Analysis of Dental Caries in Primary Dentition in Myanmar Children," IJERPH, MDPI, vol. 17(20), pages 1-13, October.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:20:p:7613-:d:431263
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    References listed on IDEAS

    as
    1. Rongchen Zhu & Xiaofeng Hu & Xin Li & Han Ye & Nan Jia, 2020. "Modeling and Risk Analysis of Chemical Terrorist Attacks: A Bayesian Network Method," IJERPH, MDPI, vol. 17(6), pages 1-23, March.
    2. Yoshiaki Nomura & Ryoko Otsuka & Ryo Hasegawa & Nobuhiro Hanada, 2020. "Oral Microbiome of Children Living in an Isolated Area in Myanmar," IJERPH, MDPI, vol. 17(11), pages 1-11, June.
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    Cited by:

    1. Yuki Ohara & Yoshiaki Nomura & Yuko Yamamoto & Ayako Okada & Noriyasu Hosoya & Nobuhiro Hanada & Hirohiko Hirano & Noriko Takei, 2021. "Daily Tasks and Willingness to Work of Dental Hygienists in Nursing Facilities Using Japanese Dental Hygienists’ Survey 2019," IJERPH, MDPI, vol. 18(6), pages 1-10, March.
    2. Yoshiaki Nomura & Mieko Shimada & Erika Kakuta & Ayako Okada & Ryoko Otsuka & Yasuko Tomizawa & Chieko Taguchi & Kazumune Arikawa & Hideki Daikoku & Tamotsu Sato & Nobuhiro Hanada, 2020. "Mortality- and Health-Related Factors in a Community-Dwelling of Oldest-Older Adults at the Age of 90: A 10-Year Follow-Up Study," IJERPH, MDPI, vol. 17(24), pages 1-17, December.

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