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orthodontic technology : ウィキペディア英語版 | orthodontic technology
Orthodontic technology is a specialty of dental technology that is concerned with the design and fabrication of dental appliances for the treatment of malocclusions, which may be a result of tooth irregularity, disproportionate jaw relationships, or both. There are three main types of orthodontic appliances: active, passive and functional. All these types can be fixed or removable. == Active appliances == An active appliance is a device used to apply forces to the teeth to change the relationship of the teeth.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「orthodontic technology」の詳細全文を読む
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