Effect of 980-Nanometer Diode Laser on Root Canal Permeability after Dentin Treatment with Different Chemical Solutions

Melissa Marchesan, Aldo Brugnera-Junior, José Estevam Ozorio, Jesus Djalma Pécora, Manoel D. Sousa-Neto

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

This study evaluated the effect of 980-nm diode laser at different parameters on root canal dentin permeability associated with different irrigants. Seventy-five canines were sectioned at 15 mm from the apex, prepared mechanically up to #40 .02 instrument, and irrigated with 2 mL distilled water. Final irrigation (10 mL) was used as follows: (1) distilled water; (2) 1% NaOCl; (3) 17% ethylenediaminetetraacetic acid + a cationic surfactant cetyltrimethylammonium bromide (EDTAC). Laser was applied at 1.5 or 3.0 W as either continuous wave or pulsed wave (100 Hz). The teeth were then processed histochemically, the percentage of copper ion penetration into the dentin of the canal walls was counted, and the data were analyzed statistically with the Tukey-Kramer test (α < .01). When laser was associated with water, an increase in permeability was found, whereas permeability decreased when associated with EDTAC. Dentin permeability after laser irradiation was directly dependent on the solution used for final irrigation.

Original languageEnglish (US)
Pages (from-to)721-724
Number of pages4
JournalJournal of Endodontics
Volume34
Issue number6
DOIs
StatePublished - Jun 1 2008
Externally publishedYes

Fingerprint

Dentin Permeability
Semiconductor Lasers
Dental Pulp Cavity
Lasers
Water
Permeability
Dentin
Surface-Active Agents
Edetic Acid
Canidae
Copper
Tooth
Ions
EDTAC

All Science Journal Classification (ASJC) codes

  • Dentistry(all)

Cite this

Effect of 980-Nanometer Diode Laser on Root Canal Permeability after Dentin Treatment with Different Chemical Solutions. / Marchesan, Melissa; Brugnera-Junior, Aldo; Ozorio, José Estevam; Pécora, Jesus Djalma; Sousa-Neto, Manoel D.

In: Journal of Endodontics, Vol. 34, No. 6, 01.06.2008, p. 721-724.

Research output: Contribution to journalArticle

Marchesan, Melissa ; Brugnera-Junior, Aldo ; Ozorio, José Estevam ; Pécora, Jesus Djalma ; Sousa-Neto, Manoel D. / Effect of 980-Nanometer Diode Laser on Root Canal Permeability after Dentin Treatment with Different Chemical Solutions. In: Journal of Endodontics. 2008 ; Vol. 34, No. 6. pp. 721-724.
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