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A Cephalometric Study of Cervical Vertebrae Maturation to Evaluate Mandibular Growth at Different Levels in Skeletal
Oishi Chatterjee1, Kanchan Sharma1, Rajalaxmi Sahu1
1Department of Orthodontics and Dentofacial Orthopedics, Awadh Dental College and Hospital, Jamshedpur, Jharkhand, India.
Aim:
This study aims to assess the different increments of mandibular growth with cervical vertebrae maturation (CVM) in skeletal class I and skeletal class II malocclusions by using lateral cephalograms.
Materials And Methodology:
The sample size comprised 200 (100 males and 100 females, aged 7-16 years) lateral cephalometric radiographs with class I and class II skeletal patterns. The linear measurements condylion-gonion (Co-Go) and condylion-gnathion (Co-Gn) were compared between skeletal class I and class II malocclusion, genders, and the correlation with different CVM stages according to Hassel and Farnan (1995). The results were statistically analyzed by the Newman-Keuls post-hoc test.
Results:
The mean Co-Gn and Co-Go showed a linear increase with the rise in maturation stages and was evidently higher in males than females. For Co-Gn, it is evidently higher in class I than class II and for Co-Go it is evidently higher in class II than class I malocclusion.
Conclusion:
Implementing treatments at CVM stages 2-3 or before 3-4 may normalize mandibular length and orientation across malocclusion types.
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