Is There a Possible Association between Skeletal Face Types and Third Molar Impaction? A Retrospective Radiographic
Melek Tassoker1, Hatice Kok2, Sevgi Sener3
1Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Necmettin Erbakan University, Konya, Turkey, dishekmelek@gmail.com.
Summary
Third molar impaction is linked to skeletal face types, with brachyfacial individuals showing fewer impacted mandibular teeth. This research explores the connection between facial structure and third molar eruption patterns.
Area of Science:
- Dentistry
- Orthodontics
- Anthropology
Background:
- Third molar impaction is a common dental issue, often influenced by eruption direction and space availability.
- Understanding the relationship between facial morphology and impaction can aid in diagnosis and treatment planning.
Purpose of the Study:
- To investigate the association between different skeletal face types and the occurrence of third molar impaction.
- To determine if facial growth patterns correlate with the prevalence of impacted mandibular and maxillary third molars.
Main Methods:
- Retrospective analysis of panoramic and lateral cephalometric radiographs from 158 orthodontic patients (aged 19-25).
- Classification of third molar impaction using Winter's classification.
- Determination of skeletal facial type based on the Ba-Na and Pt-Gn angle measurements (mesofacial, brachyfacial, dolichofacial).
Main Results:
- A significant association was found between skeletal face types and mandibular third molar impaction (p < 0.05).
- No significant association was observed between skeletal face types and maxillary third molar impaction (p > 0.05).
- Brachyfacial individuals exhibited a lower prevalence of third molar impaction compared to dolichofacial individuals.
Conclusions:
- Skeletal face types are associated with mandibular third molar impaction.
- Individuals with a brachyfacial (horizontal growth) pattern have a lower prevalence of impacted mandibular third molars compared to those with a dolichofacial pattern.
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