Orthodontics is a specialty of dentistry performed on a preferential basis by the orthodontist. The term also refers to the science that is in charge of the study, prevention, diagnosis and treatment of abnormal shape, position, relation and function of structures dentomaxilofaciales; still pursue the art to prevent, diagnose and correct alterations and maintain within an optimal state of health and harmony through the use and control of different types of forces.

Dentomaxilares structures by means of the full set of teeth with their alveolar bone giving attachment to the jaw, over the bones, upper and lower jaw (mandible) - containing the teeth and alveolar processes, along that shape the lower two thirds of the face.

Surgery is the oldest specialty of dentistry. Is devoted to diagnosis and treatment of diseases, injuries and defects of teeth in the jaws and adjacent soft tissues that require surgical intervention. The oral surgeon must have thorough knowledge of basic sciences for their profession as anatomy, histology and physiology, as well as the most frequent nosological entities. In addition to their training, surgical training and obviously a great manual dexterity, it is essential that the professional maturity of thought and holds a great respect for the living tissues.