Orthodontics is the discipline of dentistry that deals with the alignment of the teeth. It requires a highly specific training course. For each case, a particular study is performed which leads to formulating a diagnosis and therefore a therapy plan. There are different types of orthodontic appliances depending on the type of malocclusion. Crooked teeth can cause alterations both in the aesthetics of the face and in the functions of breathing, chewing and phonation. This is why it is...