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Craniofacial changes from 13 to 62 years of age
Nameer Al-Taai1, Maurits Persson1, Maria Ransjö1,2
1Orthodontics, Department of Odontology, Umeå University, Umeå, Sweden.
European Journal of Orthodontics
|March 29, 2022
Summary
Craniofacial changes continue into adulthood, with jaw growth and anterior face height increasing until age 31. Significant changes in jaw position and incisor inclination occur between ages 31 and 62.
Area of Science:
- Orthodontics and craniofacial biology.
- Longitudinal cephalometric analysis.
Background:
- Control subjects are essential for evaluating orthodontic, orthognathic, and prosthodontic treatments.
- Understanding untreated craniofacial development is crucial for comparative studies.
Purpose of the Study:
- To document craniofacial changes in individuals with normal occlusion from adolescence to older adulthood.
- To establish normative data for untreated craniofacial development.
Main Methods:
- Longitudinal study of 30 subjects with Class I normal occlusion.
- Cephalometric analysis of X-rays taken at ages 13, 16, 31, and 62.
- Measurement of 53 angular and linear craniofacial parameters.
Main Results:
- Significant anterior jaw growth and increased anterior face height occurred until age 31.
- Retrognathism and posterior mandibular rotation were observed between ages 31 and 62.
- Incisor retroclination and facial profile changes were noted in later adulthood.
Conclusions:
- Craniofacial morphology continues to change into the sixth decade of life.
- Adult craniofacial changes differ from adolescent growth patterns, particularly in jaw and incisor positioning.
- These findings provide valuable reference data for clinical treatments.
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