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INTERNAL ROOT MORPHOLOGY IN MANDIBULAR FIRST PERMANENT MOLARS IN A KENYAN POPULATION
N J Muriithi1, S W Maina, J Okoth
1Ministry of Medical Services, Division of Oral Health, Rift Valley Provincial Hospital, Nakuru, Kenya.
East African Medical Journal
|February 16, 2016
Summary
Mandibular first molars in Kenyan adults often have three canals. The distal root shows significant gender variations, with females more commonly presenting two canals than males.
Area of Science:
- Endodontics
- Dental Anatomy
- Anthropology
Background:
- Understanding root canal anatomy is crucial for successful endodontic treatment.
- Variations in root morphology can impact treatment outcomes.
- Limited data exists on the internal root morphology of mandibular first molars in specific populations.
Purpose of the Study:
- To investigate the internal root morphology of mandibular first permanent molars.
- To identify potential gender-related variations in root canal anatomy.
- To provide population-specific anatomical data for Kenyan individuals.
Main Methods:
- An in vitro descriptive cross-sectional study was conducted.
- Mandibular first permanent molars were examined.
- Internal root morphology and canal configurations were analyzed.
Main Results:
- The mesial root predominantly featured two canals (96.3%) with a Type IV configuration.
- The distal root exhibited one canal in 57.7% of teeth.
- Significant gender differences were observed in the distal root: two canals were more common in females (53.6%) than males (30.4%), while one canal was more frequent in males (69.6%) than females (46.4%).
Conclusions:
- A majority of mandibular first molars (56%) possess three canals.
- Two canals in the distal root are significantly more prevalent in females compared to males.
- These findings highlight population- and gender-specific variations in mandibular molar root anatomy.
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