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Root canal filling with calcium hydroxide using different techniques.

Carlos Estrela1, Iussif Mamede Neto, Hélio Pereira Lopes

  • 1Faculty of Dentistry, Federal University of Goiás, Goiânia, GO, Brazil. estrela3@terra.com.br

Brazilian Dental Journal
|March 2, 2002
PubMed
Summary

This study evaluated root canal filling techniques for calcium hydroxide paste in dog teeth. Files, paper points, and vertical pluggers showed the fewest empty spaces, ensuring effective paste placement.

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Area of Science:

  • Endodontics
  • Dental Materials Science

Background:

  • Effective root canal filling is crucial for calcium hydroxide efficacy.
  • Various techniques exist for calcium hydroxide placement, including amalgam carriers, pluggers, compactors, drills, files, and syringes.

Purpose of the Study:

  • To compare the effectiveness of different root canal filling techniques for calcium hydroxide paste.
  • To identify techniques minimizing empty spaces within the root canal.

Main Methods:

  • Calcium hydroxide paste was placed into root canals of dog teeth using distinct methods.
  • Techniques assessed included files, absorbent paper points, vertical pluggers, Lentulo drills, and McSpadden compactors.
  • The number of voids (empty spaces) in the coronal, middle, and apical thirds of the root canals was quantified.

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Main Results:

  • The placement of calcium hydroxide using a file, absorbent paper points, and vertical pluggers resulted in the lowest incidence of empty spaces.
  • These techniques demonstrated superior filling of the root canal compared to others.
  • The Lentulo drill and McSpadden compactor showed a higher number of empty spaces.

Conclusions:

  • Files, absorbent paper points, and vertical pluggers are recommended for effective calcium hydroxide paste placement in root canals.
  • These methods minimize voids, potentially enhancing the therapeutic action of calcium hydroxide.
  • Careful technique selection is vital for optimal root canal obturation with calcium hydroxide.