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Maturation of permanent teeth in different facial types: a comparative study
Vikas Goyal1, D N Kapoor, Santosh Kumar
1Department of Orthodontics, Daswani Dental College, Kota, Rajasthan, India. dr_goyal1982@yahoo.com
Summary
Vertical growers exhibit earlier dental maturation than horizontal growers. This study compared dental and chronological ages across facial types in Indian children, finding no significant sex differences in dental age. Willem's method reliability was evaluated.
Area of Science:
- Orthodontics and Dentofacial Orthopedics
- Pediatric Dentistry
- Growth and Development Studies
Background:
- Accurate dental maturation diagnosis is crucial for orthodontic diagnosis, treatment planning, and timing.
- Facial type influences growth patterns, impacting orthodontic and dentofacial orthopedic interventions.
- Understanding dental age variations is essential for effective patient management.
Purpose of the Study:
- To compare and correlate chronological age with dental age in average, vertical, and horizontal facial types.
- To investigate potential sex differences in dental age across different growth patterns.
- To evaluate the reliability of Willem's method for dental age estimation in the Indian population.
Main Methods:
- Screening of 150 children aged 8-10 years from orthodontic clinics and schools.
- Utilizing cephalometric radiography and orthopantomograms (OPGs) for analysis.
- Employing angular and linear measurements (SN Go-Gn angle, Jarabak ratio, lower anterior facial height) to categorize growth patterns (average, vertical, horizontal).
- Calculating dental age from OPGs and comparing it with chronological age using Student's t-test.
Main Results:
- A discernible difference in dental age was observed between vertical and horizontal growers.
- Vertical growers demonstrated earlier dental maturation compared to horizontal growers.
- No significant differences in dental age were found when comparing vertical and horizontal growers with average growers.
- No significant sex-based differences in dental age were identified within the same growth patterns.
Conclusions:
- Children with a vertical growth pattern exhibit earlier dental maturation than those with a horizontal growth pattern at the same chronological age.
- Willem's method shows potential for assessing dental age in the Indian population, with variations noted across growth patterns.
- The findings contribute to a better understanding of dental age assessment in orthodontics and dentofacial orthopedics.
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