Mandibular prognathism (Class III malocclusion) can either be a result of pure mandibular prognathism, maxillary hypoplasia/retrognathism, or a combination of the two. The class III malocclusion has a strong genetic influence under polygenic and multifactorial mode of inheritance. Moreover, environmental factors and ethnicity plays a substantial role in the expression of Class III Jaw relation. Most of the Class III Jaw relations are as a result of prognathic mandible. Period of pubertal growth spurt is longer in developing class III which influences the overall growth of an individual along...