Nd:YAG Laser Influence on Sound Dentin Bond Strength

Matos, Adriana Bona; Oliveira, Denise Cerqueira; Kuramoto, Massuji; Eduardo, Carlos; Matson, Edmir

doi:10.1089/clm.1999.17.165

Cited by 33 publications

(29 citation statements)

References 28 publications

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“…The development of this new substrate explains why all of the groups irradiated by laser in this study showed a substantial increase in bond strength. This is in agreement with Matos and others 5 and Matos and others, 6 who evaluated Nd:YAG irradiation before and after adhesive application and concluded that the best results were observed when laser was used after the adhesive system application. According to Dayem and others, 18 treatment of the acid-etched dentin with Nd:YAG laser led to the significantly increased penetration depth of the adhesive bonding system into dentin.…”

Section: Discussionsupporting

confidence: 91%

“…3 Although most researchers have found significantly higher bond strength values for adhesive systems that received Nd:YAG irradiation prior to polymerization, most of the studies investigated total-etch adhesives bonded to dentin. [4][5][6] The influence of laser irradiation on self-etch adhesives has not yet been adequately evaluated, especially on enamel.…”

Section: Introductionmentioning

confidence: 99%

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Influence of Nd:YAG Laser on the Bond Strength of Self-etching and Conventional Adhesive Systems to Dental Hard Tissues

Marimoto

Cunha

Yui

et al. 2013

Operative Dentistry

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The application of Nd:YAG laser prior to photopolymerization of adhesive systems in an attempt to create a new bonding layer by dentin/adhesive melting significantly increased the shear bond strength to the dentin substrate. SUMMARYPurpose: The aim of this study was to investigate the influence of Nd:YAG laser on the shear bond strength to enamel and dentin of total and self-etch adhesives when the laser was applied over the adhesives, before they were

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Section: Discussionsupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Influence of Nd:YAG Laser on the Bond Strength of Self-etching and Conventional Adhesive Systems to Dental Hard Tissues

Marimoto

Cunha

Yui

et al. 2013

Operative Dentistry

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“…Other investigations also concluded that bond strength of teeth treated with laser irradiation before bonding was weaker than that of teeth in the control group. 5,28,36 Previous studies on teeth conditioned by laser treatment confirm the results of our study. The control groups treated conventionally with adhesive systems attained the highest bond strengths.…”

Section: Discussionsupporting

confidence: 91%

“…The surfaces appeared as an amorphous, nonhomogenous structure. Our findings can be explained by the study by Matos and Ceballos 19,28 on the lacking formation of a hybrid layer after laser irradiation and thereby the lower bond strength. In comparison, the SEM images of samples treated with laser plus phosphorous acid revealed a homogenous surface ( Figures 6 and 7).…”

Section: Discussionmentioning

confidence: 52%

Influence of femtosecond laser treatment on shear bond strength of composite resin bonding to human dentin under simulated pulpal pressure

et al. 2011

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This in vitro study evaluated the influence of femtosecond laser (fs-laser)-generated patterns on shear bond strength (SBS) of composite resin bonded to human dentin under simulated pulpal pressure. Laser treatment was used to produce two different patterns on dentin surfaces. Three test groups and a control group without laser treatment under pulpal pressure were investigated. Dentin discs of 800 nm thickness were cut from 60 extracted caries-free human molars. Using a perfusion machine, the discs were exposed to Ringer solution on their basal surfaces. Clearfil SE Bond/ Herculite XRV system was used. The samples were stored in distilled water and thermocycled. Bonding failures caused by a test set-up to challenge SBS were analyzed by scanning electron microscope (SEM). An 80 lm-sized cube-shaped pattern caused more cohesive failures in dentin or resin compared with the 160 lm-sized cube-shaped pattern. Weibull statistics demonstrated a significant difference between the two laser patterns, but only the test group with small-sized laser pattern was significantly different from the control group. The Weibull moduli ranged from 4.3 to 9.6 (control group). The 160 lm-sized pattern enhanced the bonding quality and avoided dentin weakening. It was concluded that fslaser treatment in a 160 lm-sized cube-shaped pattern enabled a simplified bonding procedure by dispensing the primer without affecting SBS, compared with the control group.

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“…The idea of association of laser with adhesive system for protection against erosion and abrasion on enamel emerged from the good results of studies using this technique to increase the bond strength of composite JCDP restorations. 20,21,38 That improvement is due to a permanent physical change in the dental substrate, which was fused with the resinous monomers, creating a new tissue composed of crystallized hydroxyapatite in the presence of monomers, improving the mechanical and chemical binding of the substrate to adhesives. 21,39 Based on those studies, it was assumed that a new substrate could increase the retention of the adhesive and its protective effect on erosion and abrasion.…”

mentioning

confidence: 99%

Protective Effect of Adhesive Systems associated with Neodymium-doped Yttrium Aluminum Garnet Laser on Enamel Erosive/Abrasive Wear

Crastechini¹,

Borges²,

Becker³

et al. 2017

The Journal of Contemporary Dental Practice

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Aim: This study evaluated the efficacy of self-etching adhesive systems associated or not associated with the neodymiumdoped yttrium aluminum garnet (Nd:YAG) laser on the protection against enamel erosive/abrasive wear. Materials and methods:Bovine enamel specimens were demineralized with 0.3% citric acid (5 minutes). The samples were randomly assigned to eight groups (n = 20): SB -Single Bond Universal (3M/ESPE); SB+L -Single Bond Universal + laser (80 mJ/10 Hz); FB -Futurabond U (Voco); FB+L -Futurabond U + laser; GEN -G-aenial bond (GC); GEN+L -G-aenial bond + laser; L -laser irradiation; and C -no treatment.The laser was applied before light curing. The samples were subjected to erosive/abrasive challenges (0.3% citric acid -2 minutes and tooth brushing four times daily for 5 days). Enamel surface loss was recovered profilometrically by comparison of baseline and final profiles. The adhesive layer thickness, retention percentage of the protective layer, and microhardness of cured adhesive were measured. Data were analyzed using one-way analysis of variance and Tukey's test (5%).Results: There were significant differences for all parameters Conclusion:The application of Futurabond U and G-aenial bond on enamel surface, as well as the Nd:YAG laser irradiation alone, was able to reduce the enamel wear. The use of laser after the adhesive systems did not improve their efficacy.Clinical significance: Erosive/abrasive wear is a prevalent condition in clinical practice affecting many patients. The association of adhesive systems and Nd:YAG laser is of considerable clinical interest because it assesses new treatments to reduce the erosive/abrasive wear that would help dentists in clinical treatment decisions to reduce enamel wear and achieve a successful treatment.

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Nd:YAG Laser Influence on Sound Dentin Bond Strength

Cited by 33 publications

References 28 publications

Influence of Nd:YAG Laser on the Bond Strength of Self-etching and Conventional Adhesive Systems to Dental Hard Tissues

Influence of Nd:YAG Laser on the Bond Strength of Self-etching and Conventional Adhesive Systems to Dental Hard Tissues

Influence of femtosecond laser treatment on shear bond strength of composite resin bonding to human dentin under simulated pulpal pressure

Protective Effect of Adhesive Systems associated with Neodymium-doped Yttrium Aluminum Garnet Laser on Enamel Erosive/Abrasive Wear

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