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Influence of gutta-percha cone disinfection on leakage: comparison of two sealability assessment methodologies
Scarparo, Roberta Kochemborger; Canali, Fabiane; Hirai, Vinicio Hidemitsu Goto; Silva Neto, Ulisses Xavier da; Hoppe, Carolina Bender; Grecca, Fabiana Soares.
  • Scarparo, Roberta Kochemborger; Federal University of Rio Grande do Sul. School of Dentistry. Department of Conservative Dentistry. Porto Alegre. BR
  • Canali, Fabiane; Federal University of Rio Grande do Sul. School of Dentistry. Department of Conservative Dentistry. Porto Alegre. BR
  • Hirai, Vinicio Hidemitsu Goto; Pontifical Catholic University of Paraná. School of Dentistry. Department of Endodontics. Curitiba. BR
  • Silva Neto, Ulisses Xavier da; Pontifical Catholic University of Paraná. School of Dentistry. Department of Endodontics. Curitiba. BR
  • Hoppe, Carolina Bender; Federal University of Rio Grande do Sul. School of Dentistry. Department of Conservative Dentistry. Porto Alegre. BR
  • Grecca, Fabiana Soares; Federal University of Rio Grande do Sul. School of Dentistry. Department of Conservative Dentistry. Porto Alegre. BR
Braz. j. oral sci ; 10(4): 250-253, oct.-dec. 2011. tab
Article Dans Anglais | LILACS, BBO | ID: lil-638384
ABSTRACT

Aim:

To clarify the influence of 5.25% sodium hypochlorite disinfection of gutta-percha cones onleakage and to compare the outcomes of two sealability assessment methodologies (fluid filtrationand dye penetration methods).

Methods:

Thirty teeth were prepared and filled using the guttaperchalateral condensation technique. Group I was filled with gutta-percha cones disinfectedwith sodium hypochlorite 5.25%, while Group II was filled with cones that were not disinfected.Apical leakage was measured using (a) fluid filtration technique and (b) linear measurement ofdye penetration after clearance.

Results:

The Student’s t-test showed no significant differencebetween the groups for both techniques (p<0.05).

Conclusions:

Both methodologies employed,even with the inherent limitations, were capable of identifying sealing failures. The disinfection ofgutta-percha cones with 5.25% sodium hypochlorite did not alter apical leakage.
Sujets)

Texte intégral: Disponible Indice: LILAS (Amériques) Sujet Principal: Hypochlorite de sodium / Désinfection / Percolation dentaire / Endodontie / Gutta-percha langue: Anglais Texte intégral: Braz. j. oral sci Thème du journal: Dentisterie Année: 2011 Type: Article Pays d'affiliation: Brésil Institution/Pays d'affiliation: Federal University of Rio Grande do Sul/BR / Pontifical Catholic University of Paraná/BR

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Texte intégral: Disponible Indice: LILAS (Amériques) Sujet Principal: Hypochlorite de sodium / Désinfection / Percolation dentaire / Endodontie / Gutta-percha langue: Anglais Texte intégral: Braz. j. oral sci Thème du journal: Dentisterie Année: 2011 Type: Article Pays d'affiliation: Brésil Institution/Pays d'affiliation: Federal University of Rio Grande do Sul/BR / Pontifical Catholic University of Paraná/BR