Bonding to Er-YAG-laser-treated dentin

L. Ceballos, M. Toledano, R. Osorio, Franklin Chi Meng Tay, G. W. Marshall

Research output: Contribution to journalArticle

226 Citations (Scopus)

Abstract

Er-YAG laser irradiation has been claimed to improve the adhesive properties of dentin. We tested the hypothesis that dentin adhesion is affected by Er-YAG laser conditioning. Superficial or deep dentin from human molars was: (a) acid-etched with 35% H3PO4; (b) irradiated with an Er-YAG laser (KaVo) at 2 Hz and 180 mJ, with water-cooling; and (c) laser- and acid-etched. Single Bond (3M ESPE) and Z100 composite (3M ESPE) were bonded to the prepared surfaces. After storage, specimens were tested in shear to failure. Bonded interfaces were demineralized in EDTA and processed for transmission electron microscopy. Two-way ANOVA revealed that conditioning treatment and interaction between treatment and dentin depth significantly influenced shear bond strength results. Acid-etching alone yielded shear bond strength values that were significantly higher than those achieved with laser ablation alone, or in combination with acid-etching. The Er-YAG laser created a laser-modified layer that adversely affects adhesion to dentin, so it does not constitute an alternative bonding strategy to conventional acid etching.

Original languageEnglish (US)
Pages (from-to)119-122
Number of pages4
JournalJournal of Dental Research
Volume81
Issue number2
StatePublished - Feb 1 2002
Externally publishedYes

Fingerprint

Solid-State Lasers
Dentin
Acids
Shear Strength
Lasers
Laser Therapy
Transmission Electron Microscopy
Edetic Acid
Adhesives
Analysis of Variance
Water
Therapeutics

Keywords

  • Acid etch
  • Laser irradiation
  • Shear bond strength
  • Ultrastructure

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Ceballos, L., Toledano, M., Osorio, R., Tay, F. C. M., & Marshall, G. W. (2002). Bonding to Er-YAG-laser-treated dentin. Journal of Dental Research, 81(2), 119-122.

Bonding to Er-YAG-laser-treated dentin. / Ceballos, L.; Toledano, M.; Osorio, R.; Tay, Franklin Chi Meng; Marshall, G. W.

In: Journal of Dental Research, Vol. 81, No. 2, 01.02.2002, p. 119-122.

Research output: Contribution to journalArticle

Ceballos, L, Toledano, M, Osorio, R, Tay, FCM & Marshall, GW 2002, 'Bonding to Er-YAG-laser-treated dentin', Journal of Dental Research, vol. 81, no. 2, pp. 119-122.
Ceballos L, Toledano M, Osorio R, Tay FCM, Marshall GW. Bonding to Er-YAG-laser-treated dentin. Journal of Dental Research. 2002 Feb 1;81(2):119-122.
Ceballos, L. ; Toledano, M. ; Osorio, R. ; Tay, Franklin Chi Meng ; Marshall, G. W. / Bonding to Er-YAG-laser-treated dentin. In: Journal of Dental Research. 2002 ; Vol. 81, No. 2. pp. 119-122.
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