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Related Experiment Videos

Mandibular premolars: aberrations in pulp space morphology

V K Sikri1, P Sikri

  • 1Department of Dental Surgery, G.G.S. Medical College, Faridkot.

Indian Journal of Dental Research : Official Publication of Indian Society for Dental Research
|January 1, 1994
PubMed
Summary

This study analyzed mandibular premolars, revealing variations in root canal anatomy. Understanding these morphological aberrations, like extra canals and C-shaped canals, is crucial for effective dental treatment.

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Area of Science:

  • Endodontics
  • Dental Anatomy
  • Morphological Aberrations

Background:

  • Pulp space morphology is critical for successful endodontic treatment.
  • Variations in mandibular premolar root canal systems can complicate procedures.

Purpose of the Study:

  • To investigate morphological aberrations in the pulp spaces of mandibular first and second premolars.
  • To document the prevalence of features such as second root canals, canal curvatures, and C-shaped canals.

Main Methods:

  • Radiographic analysis (buccolingual and mesiodistal views) of 112 mandibular first premolars and 96 mandibular second premolars.
  • Sectioning of teeth at cementoenamel junction, middle third, and apical third.
  • Evaluation of root canal shape and presence of additional canals.

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Main Results:

  • 29.5% of mandibular first premolars and 13.5% of mandibular second premolars had a second root canal.
  • High canal curvatures were observed in 44.60% and 46.9% of these cases, respectively.
  • Oval canal shapes were common in the cervical third, transitioning to round in middle and apical thirds. 10% of mandibular first premolars exhibited C-shaped canals.

Conclusions:

  • Mandibular premolars exhibit significant morphological variations in their root canal systems.
  • Awareness of these anatomical aberrations, including C-shaped canals and multiple canals, aids dentists in diagnosis and treatment.
  • Detailed understanding of root canal morphology improves endodontic management and patient outcomes.