การรักษาทางทันตกรรมจัดฟันในผู้ป่วยที่มีการสบฟันผิดปกติประเภทที่ 2 (Class II) ด้วยเครื่องมือจัดฟันชนิดฟังค์ชั่นนอล (Functional appliance)

Abstract

Functional appliances are devices used to correct a significant disharmony in the
relationship between the upper and lower jaws. Functional appliances may be either fixed
or removable. They work by influencing the growth and development of a growing patient
For Patient with Class II malocclusion due to a retrognathic mandible, the appliance
stimulate mandibular growth by forward positioning of the mandible in order to achieve
normal jaw relationship. The results are proper dentofacial structures and improvement of
masticatory function. Case Selection, appliance selection, timing of treatment and patient’s
cooperation are the key of achievement of treatment.