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Three-dimensional imaging using microcomputed tomography for studying tooth macromorphology.

Gianluca Plotino1, Nicola M Grande, Raffaella Pecci

  • 1Department of Endodontics, Catholic University of the Sacred Heart, Largo Francesco Vito 1, 00168 Rome, Italy. gplotino@fastwebnet.it

Journal of the American Dental Association (1939)
|November 4, 2006
PubMed
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Microcomputed tomography (microCT) provides a reproducible, noninvasive 3D method for analyzing tooth root canal systems. This technique enhances preclinical endodontic training and fundamental procedure analysis.

Area of Science:

  • Dental Anatomy
  • Radiology
  • Endodontics

Background:

  • Microcomputed tomography (microCT) has potential applications in analyzing tooth morphology.
  • Understanding complex root canal anatomy is crucial for endodontic success.

Purpose of the Study:

  • To demonstrate the utility of microCT in the detailed analysis of tooth root canal systems.
  • To evaluate microCT's effectiveness in visualizing intricate dental anatomy.

Main Methods:

  • Selected teeth included molars with extra canals, curved mesial roots, and premolars with complex apical anatomy.
  • Utilized a desktop X-ray microfocus CT scanner (SkyScan 1072) for high-resolution imaging.
  • Acquired three-dimensional (3D) images of 15 individual teeth.

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Main Results:

  • Successfully generated 3D images for all 15 teeth, revealing detailed root canal structures.
  • Observed variations in root canal morphology, including coalescing canals in molars and intricate apical ramifications in premolars.
  • Identified broad, flat mesial canals in mandibular molars and complex apical deltas in premolars.

Conclusions:

  • Microcomputed tomography (microCT) is a reproducible, noninvasive technique for 3D assessment of root canal systems.
  • While not for clinical use, microCT is valuable for preclinical endodontic training and procedural analysis.