Comparison of perception of necessity of orthodontic treatment between orthodontists and dentists at dental check-ups with DAI |
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| Institution: | 1. Department of Orthodontics, School of Dental Medicine, Tsurumi University, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama 230-8501, Japan;2. Department of Translational Research, School of Dental Medicine, Tsurumi University, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama 230-8501, Japan;3. Department of Operative Dentistry, School of Dental Medicine, Tsurumi University, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama 230-8501, Japan;1. Department of Orthodontics, Tokyo Dental College, Tokyo, Japan;2. Department of Orthodontics, The Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, CA, United States;3. Orthodontics School of Dental Medicine, University of Nevada, Las Vegas, NV, United States;4. Clinical Dentistry, The Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, CA, United States;5. Department of Oral Surgery, Tokyo Dental College, Chiba, Japan;1. Mechanical Engineering Department, Division of Biomechanics, Sahand University of Technology, Sahand New Town, Tabriz, Iran;2. School of Dentistry, Division of Orthodontics, Tabriz University of Medical Sciences, Tabriz, Iran;3. Academic Unit of Restorative Dentistry, Sheffield Dental School, Sheffield, UK;1. Orthodontic Unit, School of Dental Sciences, Health Campus, Universiti Sains Malaysia, Malaysia;2. School of Dental Sciences, Health Campus, Universiti Sains Malaysia, Malaysia;3. Department of Oral & Maxillo-facial Surgery, Pioneer Dental College & Hospital, Dhaka, Bangladesh;4. Department of Orthodontics, Pioneer Dental College & Hospital, Dhaka, Bangladesh;5. Department of Orthodontics, Bangladesh Dental College & Hospital, Dhaka, Bangladesh;1. Orthodontic Department, Faculty of Dentistry, University of Science and Technology, Omdurman, Sudan;2. Faculty of Dentistry, Khartoum University, Sudan;1. Watanabe Orthodontic Office, Tokyo, Japan;2. Mizoguchi Orthodontic Clinic, Shizuoka, Japan;3. Kawamura Orthodontic Office, Aichi, Japan;4. Koga Orthodontic Clinic, Tokyo, Japan |
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| Abstract: | PurposeThe aims of this study were to examine the gaps in the perception of the necessity of orthodontic treatment between orthodontists and dentists, and identify the items influencing perception using the Dental Aesthetic Index (DAI).Materials and methodsBoth dentists and orthodontists assessed the necessity of orthodontic treatment in the 693 junior and senior high school students, and orthodontists examined the occlusion of the students with DAI. The data were analyzed with Student's t-test, Bonferroni multiple comparison test and decision analysis.ResultsIn the orthodontist’ perception, clearly significant differences were observed in all DAI items between necessary and unnecessary groups. However, maxillary missing teeth, mandibular missing teeth, spacing and diastema did not show a clear difference in the dentists’ perception. In the comparison of perception between orthodontists and dentists, crowding, largest anterior maxillary irregularity and largest mandibular irregularity showed significant differences. Decision analysis demonstrated that crowding was the most important item for both orthodontists and dentists.ConclusionThere were two types of gaps in the perception of the necessity of orthodontic treatment. The first one is an individual difference among the dentists, which is related to the evaluation of missing teeth and space in the dental arches. The other is recognized as gaps in the perception between orthodontists and dentists, which are related to the amounts of crowding. It is important to realize the difference of perception and improve the mutual understanding to prevent overlooking malocclusion. |
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| Keywords: | Malocclusion Tooth crowding Treatment need Perception gap |
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