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Related Experiment Videos

Sealer distribution in root canals obturated by three techniques.

M K Wu1, A R Ozok, P R Wesselink

  • 1Department of Cariology, Endodontology, Pedodontology, Academic Centre for Dentistry Amsterdam (ACTA), Louwesweg 1, 1066 EA Amsterdam, The Netherlands.

International Endodontic Journal
|April 20, 2001
PubMed
Summary

Root canal filling techniques impact sealer distribution. Condensation methods, particularly single cone, showed higher sealer coverage compared to lateral or vertical condensation, which may remove sealer from canal walls.

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Area of Science:

  • Endodontics
  • Dental Materials Science

Background:

  • Root canal sealers are crucial for the success of endodontic treatment.
  • Understanding sealer distribution is essential for achieving a hermetic seal.

Purpose of the Study:

  • To evaluate the distribution of root canal sealer with different obturation techniques.
  • To compare the percentage of sealer coated canal perimeter (PSCP) among lateral condensation, vertical condensation, and single cone techniques.

Main Methods:

  • AH26 sealer, dyed with carbon black, was used in prepared maxillary central incisor root canals.
  • Root canals were obturated using three distinct gutta-percha techniques: lateral condensation, vertical condensation, and single cone.
  • Horizontal sections were analyzed using a digital imaging system to quantify PSCP.

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Main Results:

  • At 3 mm from the apex, lateral and vertical condensation showed similar PSCP.
  • At 6 mm from the apex, lateral condensation resulted in a significantly higher PSCP than vertical condensation.
  • Single cone technique demonstrated significantly higher PSCP at both apical and middle levels compared to condensation techniques.

Conclusions:

  • Condensation procedures may lead to the removal of sealer from the root canal wall.
  • The single cone technique appears to provide better sealer distribution compared to lateral and vertical condensation.