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Correlation study between craniofacial structure and cervical vertebrae posture in adult skeletal Class Ⅲ malocclusion

Chen Lin, Ding Yin, Wang Yanqing, et al. Department of Orthodontics, School of Stomatology, The Forth Military Medical University. Xi'an, 710032  
Objective To investigate the correlation between craniofacial structure and cervical vertebra posture of adult skeletal class Ⅲ malocclusion. Method Lateral cephalometric radiographs were taken for each 45 adult skeletal class Ⅲ malocclusion under natural head posture. Results Significant negative correlation was found between SN-VEL? SN-OPT? SN-CVT and SNA? SNB? SND? SNPo, and sigificant positive correlation was found between SN-VEL? SN-OPT? SN-CVT and SN-GoGn? SN-PP? SN-OP? NSGn in adult skeletal class Ⅲ malocclusion. Conclusion Craniofacial structure was correlated to cervical vertebra posture in adult skeletal class Ⅲ malocclusion.
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