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Relationship Between Cervical Vertebral Development Stages and the Ossification of the Zygomaticomaxillary Suture in
Arezoo Jahanbin1, Sara Hafez2, Amir Ali Alikhani2
1Department of Orthodontics, School of Dentistry, Mashhad University of Medical Sciences.
Objective:
This study aimed to evaluate the correlation between ossification of the zygomaticomaxillary suture and cervical vertebral maturation to find the appropriate age for maxillary protraction.
Method And Materials:
This cross-sectional retrospective study was performed on 222 CT scans of patients aged between 6 and 18 (including 161 males and 61 females). Zygomaticomaxillary suture (ZMS) maturation and cervical vertebral maturation (CVM) were assessed in 5 and 6 stages, respectively. The Mann-Whitney, Spearman, Kruskal-Wallis, independent samples T test, and logistic regression were used for data analysis. P <0.05 was considered significant.
Results:
If a child is at stage 1 in CVM, 87.5% of the time is at stage A in ZMS maturation. In case a child is at stage 2 in CVM, 46.5% of the time is at stage B, and 41.4% is in stage C in ZMS maturation. In case a child is at stage 3 in CVM, 70.8% of the time is at stage C in ZMS maturation. In case a child is at stage 4 in CVM, 64.5% of the time is at stage D in ZMS maturation.
Conclusion:
According to the fact that patients who are in stages A and B of ZMS maturation respond better to maxillary protraction, it was indicated that if the CVM stage is 1, it is strongly related to stage A of ZMS maturation. Stage 2 in CV maturation can be related to stages B or C of ZMS maturation and CVM stage 3 is highly related to stage C of ZMS maturation.
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