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Related Concept Videos

Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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Author Spotlight: Advancing CBCT and Digital Dental Image Integration with AI-Assisted Digitization
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Mandibular Canal Location: Cone-beam Computed Tomography Examination.

Tyler Koivisto1, Daphne Chiona2, Laura L Milroy3

  • 1US Navy Dental Corps, Camp Lejeune, Jacksonville, North Carolina.

Journal of Endodontics
|May 15, 2016
PubMed
Summary
This summary is machine-generated.

Cone-beam computed tomography (CBCT) reveals crucial mandibular canal (MC) and bone dimensions for dental implants. This data aids surgeons in avoiding nerve damage during procedures.

Keywords:
Anatomyendodonticsimplantsmandibular canalnerveoral surgery

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Area of Science:

  • Dentistry
  • Oral and Maxillofacial Surgery
  • Radiology

Background:

  • Dental implant use and endodontic procedures carry risks of nerve damage.
  • Understanding the anatomy of the mandibular canal (MC) is vital for safe surgical interventions.

Purpose of the Study:

  • To investigate the location of the mandibular canal (MC) relative to posterior teeth using cone-beam computed tomography (CBCT).
  • To measure buccal and lingual bone dimensions over the MC, MC diameter, and anterior loop prevalence near the mental foramen.

Main Methods:

  • CBCT scans from 106 patients were analyzed, evaluating 636 teeth and their associated MC regions.
  • Measurements included MC location, bone thickness, canal diameter, and anterior loop presence.

Main Results:

  • The MC was most frequently located inferior to first molars and second premolars, and buccal to second molars.
  • Buccal bone was thickest over the mesial root of second molars; lingual bone was thickest over the second premolar.
  • The average MC diameter was approximately 3 mm, and the anterior loop was present in 10.4% of patients.

Conclusions:

  • CBCT provides essential data on mandibular bone thickness and nerve location for surgical planning.
  • These anatomical insights enhance safety and efficacy in dental implant and endodontic surgeries.
  • CBCT offers superior advantages over traditional radiography for evaluating the mandibular canal.