Three-dimensional analysis of the effects of the treatment on anterior crossbite in the primary dentition |
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| Affiliation: | 1. Defense University Center, Spanish Naval Academy, Plaza de Espaa 2, 36920 Marín, Pontevedra, Spain;2. Applied Geotechnologies Research Group, University of Vigo, Rúa Maxwell s/n, Campus Lagoas-Marcosende, 36310 Vigo, Spain;1. Mechanical Engineering Program, Texas A&M University at Qatar, P.O. Box 23874, Education City, Doha, Qatar;2. Zachry Department of Civil Engineering, Texas A&M University, College Station, TX 77843, USA;2. Department of Orthopedic Surgery, Duke Clinical Research Institute, Duke University School of Medicine, USA;3. Department of Medicine, Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, USA;4. Duke Molecular Physiology Institute and Division of Rheumatology, Duke University School of Medicine, Durham, NC, USA;6. Thurston Arthritis Research Center, Department of Radiology, University of North Carolina, Chapel Hill, USA;1. Centre of Marine Sciences (CCMAR), University of Algarve, Campus de Gambelas, FCT Ed 7, 8005-139 Faro, Portugal;2. Department of Environment and Planning & Centre for Environmental and Marine Studies (CESAM), University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal;3. INESC TEC and Faculty of Engineering, University of Porto, Dr. Roberto Frias St., 4200-465 Porto, Portugal;4. Instituto Português do Mar e da Atmosfera I.P./IPMA, Avenida 5 de Outubro, 8700-305 Olhão, Portugal;5. Instituto de Ciências Agrárias e Ambientais Mediterrânicas (ICAAM), University of Evora, Núcleo da Mitra, Edifício Principal, Apartado 94, 7002-554 Évora, Portugal;6. Centro Tecnológico del Mar – Fundación (CETMAR), Rúa de Eduardo Cabello, S/N, 36208 Vigo, Pontevedra, Spain;7. Department of Biology & Centre for Environmental and Marine Studies (CESAM), University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal;8. Oceanlab, University of Aberdeen, Main Street, Newburgh AB416AA, UK;9. Instituto de Investigacións Mariñas (CSIC), Eduardo Cabello 6, 36208, Vigo, Spain;1. State Key Laboratory of Military Stomatology, Department of Oral Anatomy and Physiology and TMD, School of Stomatology, Fourth Military Medical University, Xi’an, China;2. Air Force General Hospital, PLA, Beijing, China;2. State Key Laboratory of Military Stomatology, Department of Oral Anatomy and Physiology and TMD, School of Stomatology, Fourth Military Medical University, Xi''an, China;3. Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi''an, China;4. Endocrine Research Unit, University of California, San Francisco, Veterans Affairs Medical Center, San Francisco, USA;6. Department of Medicine, University of California San Francisco, USA |
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| Abstract: | We performed measurement using a 3-dimensional measurement system in study models of children with anterior crossbite in the primary dentition treated using a chin cap and lingual arch, and evaluated changes in the dentition and occlusion after treatment based on measurement values and also using wire frame models. Comparing with the situation before treatment, the overbite of anterior teeth shows improvement to become shallow and the terminal plane becomes vertical type and the occlusal plane becomes flatter. Labioclination of upper anterior teeth, linguoclination of lower anterior teeth and backward movement of lower dentition are observed. Occlusal view shows that both upper and lower dental arch become semicircular configuration. The width, depth and height of the post-treatment dentition became closer to the standard values. Chin cap and lingual arch treatment for anterior crossbite during early childhood is effective, and also helpful in the normal development of occlusion in children. |
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| Keywords: | Anterior crossbite Chin cap Deciduous dentition Occlusion Three-dimensional analysis |
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