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Third molar eruption among rural Nigerians
1Department of Oral and Maxillofacial Surgery, Obafemi Awolowo University, Ile-Ife, Nigeria.
Oral Surgery, Oral Medicine, and Oral Pathology
|February 1, 1991
Summary
Third molar eruption timing in Nigerian adolescents shows earlier eruption in females. Diet and jaw structure significantly influence third molar eruption patterns.
Area of Science:
- Dentistry
- Anthropology
- Human Biology
Background:
- Third molars, or wisdom teeth, erupt late in adolescence.
- Understanding eruption timing is crucial for dental development and orthodontic assessments.
Purpose of the Study:
- To investigate the eruption patterns of third molars in rural Nigerian adolescents.
- To identify factors influencing the timing and incidence of third molar eruption.
Main Methods:
- A cross-sectional study involving 125 males and 133 females.
- Data collection on the eruption status of third molars across different age groups.
Main Results:
- Average initial eruption: 15 years (males), 13 years (females).
- Significant eruption increase post-16 (males) and post-14 (females).
- Lower third molars erupted earlier than upper ones.
Conclusions:
- Mandibular trigone space, influenced by diet and masticatory activity, affects third molar eruption timing.
- Fibrous diets and vigorous chewing may contribute to earlier eruption.
- Findings suggest a link between lifestyle factors and dental development.