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The Association of Occipital Spur with Craniocervical Posture and Craniofacial Morphology
Qiaoyu Cheng1, Chuqiao Xiao1, Sophie Lau Rui Han1
1State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China.
Purpose:
This cross-sectional study aimed to evaluate the relationship between occipital spur (OS) with both craniocervical posture and craniofacial morphology.
Methods:
The study involved 240 lateral cephalograms from subjects with and without OS. The craniocervical posture and facial morphology of every individual were assessed through Uceph software analysis of their cephalograms, considering 32 variables. The Independent T-test and the Mann-Whitney U-test were used to evaluate the relationships between the measures and OS. Differences in craniocervical posture and craniofacial morphology between the two groups were investigated by logistic regression.
Results:
Subjects with OS exhibited more severe forward head posture (FHP) (larger C0-C1, Ba-C3ia, C2ap-C4ip, craniocervical angle, CVT-OPT, and NSL-C2') and larger facial configuration (greater mandibular body length, posterior cranial base length, and posterior facial height) than the subjects without OS. Larger C2ap-C4ip (OR 1.53; 95% CI 1.282~1.82), Craniocervical angle (OR 1.70; 95% CI 1.457~1.977) and NSL-C2' (OR 1.18; 95% CI 1.097~1.264), were associated with greater likelihood of having OS.
Conclusion:
The subjects with OS were more prone to forward head posture than the control group. For subjects observed with OS on cephalograms, attention should be given to their possible abnormal cervical and head postures.
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