Abstract: Skeletal class II malocclusion characterized by mandibular retrognathism, is a common kind of orthodontic issues. Functional appliances can be used in growing adolescents, aimed to advance the growth of mandible, improve overjet and facial soft tissue profile. This article describes the research methods, dentoalveolar effects, skeletal effects and soft tissue profile effects of class II functional appliances.

Key words: Skeletal class II Malocclusion, Functional Appliances, Dental Effects, Skeletal Effects