Correlation Study Between Craniofacial Morphology And Cervical Vertebrae Posture In Adolescent And Adult Patients With Mandibular Lateral Deformity

Mandibular lateral deformity is one of the most complex malocclusion.It affect seriously not only face but also occlusion function, even lead to temporomandibular joint disorder. Recently study founded this kind of patients often with symptoms,such as the curve of cervical vertebrae change, neck and shoulder aching , myotonia ,etc.Display degree of mandibular lateral deformity is aggravating gradually to grow at the same time, which is development trend from mandible shift to the genuine skeleton deformity. Mandibular lateral deformity, if left untreated, may be development from fake deformity to genuine skeleton deformity,and from the functionality deformity to the mixing or bone deformity.But whether mandibular lateral deviation influenced craniofacial morphology and cervical vertebrae posture in adolescent patients with mandibular lateral deviation, and how mandibular lateral deviation influenced craniofacial morphology and cervical vertebrae posture from childhood to adulthood are still unknown.In this study, patients with mandibular lateral deformity were as sample and compare with those who exhibiting nomalocclusion. Lateral cephalometric radiographs were used to investigate the correlation between craniofacial morphology and cervical vertebrae posture and their growth changes of patients with mandibular lateral deviation.The study consists of three parts:1. Correlation study between craniofacial morphology and cervical vertebrae posture in adolescent patients with mandibular lateral deviation.The sample consists of 20 adolescent patients with mandibular lateral deviation. 20 adolescent with normal occlusion were as the control. The result showed that: dentofacial morphology and cervical vertebrae posture in the patients with mandibular lateral deviation are no different from those in the individuals with normal occlusion, and craniofacial morphology was correlated to cervical vertebrae posture in adolescent patients with mandibular lateral deviation. The craniofacial morphology and cervical vertebrae posture are almost normal and no pathology changes in patient with mandibular lateral deviation. Mandibular lateral deviation in adolescent may be caused by mandible functionality shift and not presented the obvious skeleton deformity.2. Correlation study between craniofacial morphology and...