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Retromolar foramen: a mandibular variant important to dentistry
1Department of Oral Diagnosis, Pathology & Radiology, Loyola University of Chicago, School of Dentistry.
Annals of Dentistry
|January 1, 1991
Summary
The retromolar foramen (RMF) appears in 7.7% of adult human mandibles. Its presence correlates with accessory mandibular foramina, important for dental practitioners to note during anesthesia and surgery.
Area of Science:
- Anatomy
- Oral and Maxillofacial Surgery
- Dental Anatomy
Background:
- The retromolar foramen (RMF) is an anatomical variation in the human mandible.
- Understanding RMF prevalence is crucial for dental procedures.
- Previous studies have explored mandibular anatomical variations.
Purpose of the Study:
- To determine the prevalence of the retromolar foramen (RMF) in adult human mandibles.
- To investigate potential correlations between RMF occurrence and other mandibular anatomical landmarks.
- To highlight the clinical significance of RMF for dental practitioners.
Main Methods:
- A retrospective study analyzing 234 adult human mandibles.
- Macroscopic examination to identify the presence and location of the RMF.
- Statistical analysis to assess correlations with accessory mandibular foramina, mental foramina, third molars, and three-rooted molars.
Main Results:
- The retromolar foramen (RMF) was identified in 7.7% of the studied mandibles.
- No significant differences in RMF occurrence were found between left and right sides or between sexes.
- A significant positive correlation was observed between the same-side occurrence of RMF and accessory mandibular foramina.
Conclusions:
- The retromolar foramen (RMF) is a relatively common anatomical variant.
- Awareness of RMF is essential for dental professionals to avoid complications during anesthesia and surgery.
- The correlation with accessory mandibular foramina suggests a potential developmental link.
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