An experimental apparatus for the simulation of three-dimensional movements in orthodontics |
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| Affiliation: | 1. Graduate student, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, China;2. Assistant professor, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, China;3. Professor, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, China;4. Professor, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Medical University, Chongqing; professor, Key Laboratory for Biomechanics and Mechanobiology of Chinese Education Ministry, International Research Center for Implantable and Interventional Medical Devices, Beihang University, Beijing, China;1. School of Dentistry, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada;2. Department of Mechanical Engineering, Faculty of Engineering, University of Alberta, Edmonton, Alberta, Canada;3. Advanced Education Program in Orthodontics and Dentofacial Orthopedics, School of Dental Medicine, University of Nevada, Las Vegas, Nev;1. Orthodontics and Dentofacial Orthopedics, Field of Oral and Maxillofacial Growth and Development, Course of Clinical Science, The Nippon Dental University Graduate School of Life Dentistry at Niigata, Niigata, Japan;2. The Nippon Dental University Graduate School of Life Dentistry at Niigata, Niigata, Japan;3. Department of Orthodontics, The Nippon Dental University School of Life Dentistry at Niigata, Niigata, Japan;1. Division of Orthodontics and Dentofacial Orthopedics, Department of Otolaryngology-Head and Neck Surgery, American University of Beirut Medical Center-Beirut, Lebanon;2. Department of Orthodontics, University of Pennsylvania, Philadelphia, Pennsylvania;1. Department of Orthodontics, School of Dentistry, University of Washington, Seattle, Wash;2. Private Practice, Vancouver, British Columbia, Canada;3. Department of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, Wash;4. Department of Oral Health Sciences, School of Dentistry, University of Washington, Seattle, Wash |
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| Abstract: | An apparatus for the study of three-dimensional force systems and the resulting movements during orthodontic treatment is presented. The instrument consists of two force-torque transducers which are capable of recording both forces and torques simultaneously, in all spatial directions. Each sensor has a measuring range of 15 N (450 Nmm) and a resolution of 0.02 N (0.5 Nmm) and is mounted on a set of three translational and three rotational stages driven by stepping motors. Positioning accuracy is in the range of 1 μm and 0.01° respectively. The apparatus is computer controlled and supported by comprehensive software. |
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