Orthodontic treatment combined with temporary anchorage device for a case of Class II with osteoarthrosis of the temporomandibular joint |
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| Authors: | Naoko Watanabe Tadao Fukui Isao Saito |
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| Institution: | 1. Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University, Yangsan, South Korea;2. Department of Orthodontics, School of Dentistry, Pusan National University, Yangsan, South Korea;3. Department of Tissue Engineering, Regea Institute for Regenerative Medicine, University of Tampere, Tampere, Finland;4. Department of Oral and Maxillofacial Surgery, University of Oulu, Oulu, Finland;5. Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University, Yangsan, South Korea;6. Dental Research Institute, and Institute of Translational Dental Sciences, Pusan National University, Yangsan, South Korea;1. Field of Dentistry, School of Medicine, University of Tampere, P.O. Box 2000, FI-33521 Tampere, Finland;2. Oral and Maxillofacial Unit, Tampere University Hospital, Tampere, Finland;3. Department of Pediatric Dentistry and Clinical Genetics, School of Dentistry, University of Copenhagen, Panum Instituttet, Nørre Allé 20, 2200 Copenhagen, Denmark;4. Department of Maxillofacial Surgery, Aarhus University Hospital, Nørrebrogade 44, 8000 Aarhus C, Denmark;5. Department of Orthodontics, Faculty of Dentistry, University of Oslo, P.O. Box 1109 Blindern, 0317 Oslo, Norway;1. Department of Oral and Maxillofacial Surgery, School of Dentistry, Kyungpook National University, Jung-gu, Daegu, Republic of Korea;2. Department of Oral and Maxillofacial Surgery, Radboud University Nijmegen Medical Centre, Nijmegen, the Netherlands |
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| Abstract: | An adult female patient presented with open bite at Orthodontic Clinic, Niigata University Medical and Dental Hospital. The patient was diagnosed as skeletal Class II open bite with Class III molar relationship, because of temporomandibular joint-osteoarthrosis (TMJ-OA) and the congenital absence of the mandibular lateral incisors. To correct anterior open bite, surgical orthodontic treatment was considered, but post treatment stability was unpredictable and doubtful due to condylar erosion on the CT. We therefore determined that nonsurgical treatment with maxillary first premolars extraction and plate type temporary anchorage device (TAD) placement bilaterally for intruding the maxillary molars would be indicated. At the completion of the active treatment, ideal occlusion was achieved without further resorption of the condyles. Even two years after the treatment, the stable occlusion has been maintained. In conclusion, the orthodontic treatment with TAD is one of the potent devices to provide the ideal occlusion for the patient with TMJ-OA. |
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