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Inferior alveolar nerve topography and its bifurcation features: a cone beam computed tomography evaluation
Neset V Asar1,2, Tansu Çimen3, Onurcem Duruel4
1College of Dentistry, Department of Periodontics, University of Illinois at Chicago, Chicago, IL, USA.
Minerva Dental and Oral Science
|June 27, 2022
Summary
The mandibular canal
Area of Science:
- Anatomy
- Radiology
- Oral Surgery
Background:
- The mandibular canal (MC) is crucial for preventing bleeding and paresthesia during mandibular procedures.
- Understanding MC topography is vital for safe dental implantology.
Purpose of the Study:
- To detail MC features (diameter, distances to borders and tooth apex) in posterior tooth regions.
- To analyze MC bifurcation characteristics.
Main Methods:
- Evaluated 418 MC images from 209 patients.
- Recorded MC diameter, distances to mandibular borders, tooth apex, and plates.
- Assessed possible implant length and MC bifurcation features.
Main Results:
- MC diameter was largest in molars, smallest in first premolars.
- MC-to-crest distance decreased from molars to premolars.
- Possible implant length was lowest in first premolars and highest in second molars.
Conclusions:
- MC topography extends bucco-coronally from molars to premolars.
- This topography influences implant length, increasing from premolars to molars.
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