Relationship of the hard and soft tissues in patients with skeletal class III malocclusion
Duan Yin-zhong
Abstract
Duan Yin-zhong
Abstract
Objective To investigate the relationship of the hard and soft tissues in patients with skeletal class III malocclusion. Methods All 20 patients in this research were diagnosed to be skeletal class III malocclusion. The lateral X-ray cephalometric films were analyzed for the relationship of the hard and soft tissues by the SPSS software. Results Most items of the hard tissue were closely related with the items of the relevant soft tissue. The items of the hard tissue which effected the soft profile orderly were:SND?1-T?SNB?T-NB?T-NB(mm)?ANB?1-NA?1-NA(mm)?SNA?FMIA. Conclusion For the patient with skeletal class III malocclusion, the skeletal profile is the frame and basis of the soft profile of the face. The most related items of the hard tissue focus to the low 1/3 face.
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Objective To investigate the relationship of the hard and soft tissues in patients with skeletal class III malocclusion. Methods All 20 patients in this research were diagnosed to be skeletal class III malocclusion. The lateral X-ray cephalometric films were analyzed for the relationship of the hard and soft tissues by the SPSS software. Results Most items of the hard tissue were closely related with the items of the relevant soft tissue. The items of the hard tissue which effected the soft profile orderly were:SND?1-T?SNB?T-NB?T-NB(mm)?ANB?1-NA?1-NA(mm)?SNA?FMIA. Conclusion For the patient with skeletal class III malocclusion, the skeletal profile is the frame and basis of the soft profile of the face. The most related items of the hard tissue focus to the low 1/3 face.
Key concepts: Malocclusion, Soft tissue, Hard tissue, Orthodontics, Medicine, Dentistry, Cephalometry, Surgery