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Completely impacted teeth in dentate and edentulous jaws
M Yamaoka1, K Furusawa, K Fujimoto
1Oral and Maxillofacial Surgery Department II, Matsumoto Dental College, Japan.
Australian Dental Journal
|June 1, 1996
Summary
Completely impacted teeth, including third molars, are less common in edentulous jaws. However, impacted canine teeth and mesiodens prevalence remains unchanged, suggesting tooth loss doesn't affect them.
Area of Science:
- Dentistry
- Oral and Maxillofacial Radiology
Background:
- Impacted teeth are a common dental finding.
- The prevalence of impacted teeth may vary based on dentition status.
Purpose of the Study:
- To investigate the prevalence of completely impacted teeth in dentate versus edentulous jaws.
- To determine if tooth loss influences the impaction of specific tooth types.
Main Methods:
- Analysis of panoramic radiographs from 1026 patients.
- Comparison of impacted tooth prevalence in edentulous and dentate jaws (upper and lower).
Main Results:
- Lower prevalence of completely impacted teeth in edentulous jaws compared to dentate jaws.
- Impacted third molars were less prevalent in edentulous jaws.
- No significant difference in the prevalence of impacted canine teeth and mesiodens between dentate and edentulous jaws.
Conclusions:
- Completely impacted canine teeth and mesiodens prevalence are not influenced by the loss of erupted teeth.
- Tooth impaction patterns differ between dentate and edentulous states, particularly for third molars.