The elongation of the mandible.
D002358:Cartilage, Articular / Q000254:growth & development*; D002508:Cephalometry; D003757:Dental Implantation; D006801:Humans; D008334:Mandible / Q000002:abnormalities* / Q000254:growth & development*; D008335:Mandibular Condyle / Q000254:growth & development*; D010012:Osteogenesis; D011861:Radiography, Dental