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Title: Cervical vertebral maturation as a valid predictor of growth
Author: Hosni, Sara
ISNI:       0000 0004 5369 0623
Awarding Body: University of Liverpool
Current Institution: University of Liverpool
Date of Award: 2015
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Objectives: The primary objective was to assess if a correlation exists between CVM and statural height growth velocity. The secondary objective was to assess if a correlation exists between CVM and mandibular growth velocity. Design/Setting: A prospective longitudinal study undertaken at Liverpool University. Subjects: Participants were aged between 8-18 years, of either gender and enrolled from the orthodontic waiting list at Liverpool University Dental Hospital. Methods: Standing height was measured every 6 weeks with subjects barefoot and in natural head position. Lateral cephalograms were taken at the start of treatment, on completing functional appliance therapy and prior to debond. Mandibular growth was assessed using the area of the triangle condylion-gnathion-gonion. Intra- and inter-observer reliability of CVM staging, cephalometric and statural height measurements were assessed using Cohen’s weighted kappa, intra-class correlation coefficient, and Bland and Altman plots respectively. ANOVA was used to test for statistically significant differences between the CVM stages. Results: 108 participants were included for analysis. The peak in statural height growth velocity occurred at CVM stage 3 (P=0.001). The peak in mandibular growth occurred at CVM stage 3, although this was not statistically significant. Conclusions: The findings of this study demonstrate that CVM staging is valid for identifying the pubertal peak in statural height. The peak in mandibular growth as assessed by the triangle Co-Go-Gn occurred at CVM Stage 3, but this was not statistically significant. Ethical approval was granted from Liverpool East Research Ethics Committee on 30th October 2013 with reference number 13/NW/0408 and protocol number UoL000751.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (D.D.Sc.) Qualification Level: Doctoral
Keywords: RJ Pediatrics ; RK Dentistry