Enamel surface roughness analysis after laser ablation and acid‐etching

Arcoria, Charles J.; Lippas, M.G.; Vitasek, B.A.

doi:10.1111/j.1365-2842.1993.tb01603.x

Cited by 64 publications

(31 citation statements)

References 25 publications

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“…Studies have shown that changes in the morphology of enamel/dentin surfaces after laser irradiation are similar to those produced in acid-etched specimens [Hess, 1990;Arcoria et al, 1993]. The potential use of lasers as an alternative to acid etching has resulted in extensive composite-resin bonding studies with CO 2 and Nd-YAG lasers [Liberman et al, 1984;Cooper et al, 1988;von Fraunhofer et al, 1993].…”

mentioning

confidence: 99%

In vitro Acid Resistance of CO<sub>2</sub>and Nd-YAG Laser-Treated Human Tooth Enamel

et al. 2002

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The purposes of this study were to test the effectiveness of laser treatment (pulsed CO₂ and pulsed Nd-YAG) on in vitro acid resistance of human enamel. Thirty enamel surfaces were prepared from 10 extracted permanent premolars (3 surfaces per tooth). Two experimental surfaces on each tooth were irradiated with either CO₂ or Nd-YAG lasers. All specimens were demineralized in 10 ml lactate buffer for 24 or 72 h after laser treatment. After 24-hour acid treatment the mean concentration of calcium that dissolved into the lactate buffer in the CO₂ laser group was significantly less than in the control group, while the dissolved calcium concentration in the Nd-YAG laser group did not differ from the control group (p > 0.05). The erosion depth in the CO₂ laser group was significantly shallower than in the Nd-YAG laser group (p < 0.001). After 72-hour acid treatment, the acid resistances of neither group of laser-treated surfaces differed significantly from the controls. By scanning electron microscopy, the acid-eroded laser-treated enamel surfaces had type I and type II etching patterns, fissures, and disordered rough surfaces compared to control enamel, with a regular type II etching pattern. CO₂ laser-treated tooth enamel was more resistant to acid challenge than was Nd-YAG laser-treated enamel, given the same fluence, but neither type of laser increased acid resistance of subsurface enamel.

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confidence: 99%

In vitro Acid Resistance of CO<sub>2</sub>and Nd-YAG Laser-Treated Human Tooth Enamel

et al. 2002

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“…With the advent of dental lasers, the effects of these devices on surface treatment of enamel have been investigated, and laser ablation has become an alternative to acid etching. 21 Research has shown that laser irradiation produces an amount of surface roughness comparable 22 or similar 23 to that seen with acid etching. Er:YAG laser conditioning has been proven effective for hard-tissue ablation without thermal side effects.…”

Section: Discussionmentioning

confidence: 90%

Effect of enamel laser irradiation at different pulse settings on shear bond strength of orthodontic brackets

Sağır

Üşümez

Ademci

et al. 2013

The Angle Orthodontist

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Objective: To compare the effect of laser irradiation at two different pulse settings and acid etching on the shear bond strength (SBS) of orthodontic brackets to enamel. Materials and Methods: Thirty-six premolars were allocated to three groups (n 5 12): (1) 37% phosphoric acid etching, (2) erbium-doped yttrium aluminum garnet (Er:YAG) laser etching with medium-short pulse mode (MSP; 100 ms, 120 mj, 10 Hz, 1.2 W), and (3) Er:YAG laser etching with quantum-square pulse mode (QSP; 120 mj, 10 Hz, 1.2 W). Metallic brackets were bonded with Transbond XT. After photopolymerization, the samples were subjected to 5000 thermal cycles and debonded with a universal testing machine, and the SBS values were recorded. Surface morphology was evaluated with profilometric examination, scanning electron microscopy, and atomic force microscopy. The adhesive remnant index (ARI) was evaluated to assess the remaining adhesive. Results: The results of SBS testing were analyzed by one-way analysis of variance and Tukey honestly significant diffference tests. The mean SBS values of QSP and MSP laser groups were 11.80 6 2.7 MPa and 10.10 6 4.5 MPa, respectively, and the QSP group demonstrated significantly higher SBS (P , .01) than that of the acid-etched group (6.6 6 2.4 MPa). No significant difference was observed between the SBS values of the two laser groups (P , .05). The difference between the ARI scores of the laser groups and the acid-etched group was statistically significant (P , .05). Conclusion: Laser etching at MSP and QSP modes present successful alternatives to acid etching; however, long-term clinical studies are required to verify clinical success. (Angle Orthod. 2013;83:973-980.)

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“…Technological advances during the last decade have resulted in the increased use of lasers in dentistry. Many of these advances have been directed at the use of lasers in clinical applications as an alternative to acid etching of enamel or dentin for bonding dental materials to the tooth surface (Arcoria et al 1993). However, the use of lasers in dental material processing has been limited (Akova et al 2008).…”

Section: Onementioning

confidence: 99%

Er:YAG lazer uygulamasının Cr-Co alaşımı ve polimetil metakrilat arasındaki makaslama bağlantı kuvveti üzerine etkisi

Sarı¹

2016

Selcuk Dental Journal

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Enamel surface roughness analysis after laser ablation and acid‐etching

Cited by 64 publications

References 25 publications

In vitro Acid Resistance of CO<sub>2</sub>and Nd-YAG Laser-Treated Human Tooth Enamel

In vitro Acid Resistance of CO<sub>2</sub>and Nd-YAG Laser-Treated Human Tooth Enamel

Effect of enamel laser irradiation at different pulse settings on shear bond strength of orthodontic brackets

Er:YAG lazer uygulamasının Cr-Co alaşımı ve polimetil metakrilat arasındaki makaslama bağlantı kuvveti üzerine etkisi

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