Factors Influencing Temporomandibular Disorder Awareness Based on the “Health Chart for the Temporomandibular Joint” in Adolescence

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  • NAKASUJI Nobuko
    Department of Community Health Sciences, Meikai University, School of Dentistry
  • FUKAI Tomoko
    Department of Community Health Sciences, Meikai University, School of Dentistry
  • TAKAHASHI Akiko
    Department of Community Health Sciences, Meikai University, School of Dentistry
  • SUGI Yoko
    Department of Community Health Sciences, Meikai University, School of Dentistry
  • SUETSUGU Mayumi
    Department of Community Health Sciences, Meikai University, School of Dentistry
  • MIYAZAWA Kei
    Department of Community Health Sciences, Meikai University, School of Dentistry
  • SAIJYO Mitsumasa
    Department of Community Health Sciences, Meikai University, School of Dentistry
  • SHIMIZU Yoshiaki
    Department of Community Health Sciences, Meikai University, School of Dentistry
  • MATSUMOTO Masaru
    Department of Community Health Sciences, Meikai University, School of Dentistry
  • TAKESHITA Akira
    Department of Community Health Sciences, Meikai University, School of Dentistry
  • TAKANO Risa
    Department of Community Health Sciences, Meikai University, School of Dentistry
  • OKAZAKI Yuka
    Department of Community Health Sciences, Meikai University, School of Dentistry
  • YASUI Toshikazu
    Department of Community Health Sciences, Meikai University, School of Dentistry

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Other Title
  • 思春期における顎関節自覚症状の有無と｢あごの健康診断チャート｣の結果の検討
  • シシュンキ ニ オケル ガク カンセツ ジカク ショウジョウ ノ ウム ト 「 アゴ ノ ケンコウ シンダン チャート 」 ノ ケッカ ノ ケントウ

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<p>We used the 4th version of an original chart prepared in 2008 to assess the health condition of the temporomandibular joint (TMJ) in order to study the dental health of students.</p><p>The purpose of this study was to identify factors associated with subjective symptoms of temporomandibular disorders (TMD), as their identification would be important for establishing specific contents of a health guidance program. This chart incorporates several questions about TMD, the TMJ, and factors influencing TMD awareness (occlusion, lifestyle, and stress). The time period of the study was 2008-2014, and the subjects were 391 prefectural 3rd grade junior high school students (208 males and 183 females) in Saitama Prefecture, because students in junior high school usually encounter marked stress.</p><p>We considered subjective symptoms using this chart. At first, we divided the students into two groups based on the presence or absence of subjective symptoms of TMD. Then, these two groups were compared by 3 kinds of factor: the number of factors, and physical and mental factors measured using the visual analog scale (VAS).</p><p>The study revealed that their subjective symptoms were significantly different (p<0.05) with respect to lifestyle. There were significant differences in the number of influencing factors between the two groups (p<0.05). The VAS score showed a correlation between physical and mental factors. The group with symptoms showed a lower VAS score, and their physical score was significantly lower (p<0.05).</p><p>Therefore, these results suggest that the perceived subjective symptoms of TMD were mainly affected by lifestyle; however, the number of influencing factors was also involved. In the students with symptoms, a weak relationship between physical and mental factors was suggested.</p>

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