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Zygomaticomaxillary suture maturation: A predictor of maxillary protraction? Part I - A classification method
F Angelieri1,2, L Franchi2,3, L H S Cevidanes2
1Department of Orthodontics, Guarulhos University, Guarulhos, Brazil.
Orthodontics & Craniofacial Research
|April 18, 2017
Summary
This study introduces a reliable method using cone-beam CT (CBCT) to classify zygomaticomaxillary suture (ZMS) maturation. The findings show ZMS fusion progresses with age, offering insights into skeletal development.
Area of Science:
- Radiology
- Orthodontics
- Anthropology
Background:
- The zygomaticomaxillary sutures (ZMSs) are crucial anatomical landmarks for assessing craniofacial development.
- Accurate staging of ZMS maturation is essential for age estimation and orthodontic treatment planning.
Purpose of the Study:
- To develop and validate a radiographic classification system for the maturational stages of the zygomaticomaxillary sutures (ZMSs).
Main Methods:
- Cone-beam computed tomography (CBCT) scans of 74 individuals aged 5.6 to 58.4 years were analyzed.
- Five distinct radiographic stages (A-E) of ZMS maturation were defined based on sutural morphology and fusion.
- Intra- and inter-examiner reliability was assessed using weighted kappa statistics.
Main Results:
- High agreement was observed for both intra- and inter-examiner reproducibility.
- No ZMS fusion was evident in individuals up to 10 years of age.
- Significant ZMS fusion was noted in the majority of individuals after 15 years of age, with all stages present between 10 and 15 years.
Conclusions:
- The proposed CBCT-based classification system provides a reliable method for assessing ZMS maturation.
- This classification aids in evaluating individual ZMS morphology, contributing to age estimation and clinical assessments.
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