Teeth movement during orthodontic therapy

According to the American Association of Orthodontists, the area of dentistry concerned with the supervision, guidance, and correction of growing and mature dentofacial structures, including those conditions requiring teeth movement associated with the application of forces or stimulation and diversion of functional forces in the craniofacial complex formally defined as orthodontics and dentofacial orthopedics. According to the design, orthodontic aids are divided into: mobile and fixed, active and passive, mono and bimaxillary, intra and extra oral. Mobile devices are not placed on the teeth, but the patient takes them in and out of the mouth himself, which affects their effect and the duration of the therapy. Fixed appliances are fixed on the teeth for a long time and the patient cannot remove them from the mouth by himself. Active devices have a built-in active element that moves them such as a screw, spring or wire arch. Passive devices do not have built-in active elements, but are controlled by the power of activated muscles, which is why we call them functional or myofunctional devices