The Effect of Femtosecond Laser Treatment on the Effectiveness of Resin-Zirconia Adhesive: An In Vitro Study

Prieto, María Vicente; Gomes, Ana Luísa; Martín, Javier Montero; Alvarado-Lorenzo, Alfonso; Mato, Vicente Seoane; Martínez, Alberto Albaladejo

doi:10.15171/jlms.2016.38

Cited by 31 publications

(31 citation statements)

References 38 publications

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“…Six types of lasers were identified in the 52 articles analyzed in this review. A total of 14 studies included CO 2 laser [ 21 , 24 , 30 , 32 , 37 – 46 ]; six studies used Er,Cr:YSGG laser [ 22 , 30 , 47 – 50 ]; 23 articles included Er:YAG laser groups [ 9 , 10 , 31 , 32 , 37 , 44 , 51 – 67 ]; Femtosecond laser was used in six articles [ 25 , 26 , 53 , 55 , 68 , 69 ]; Nd:YAG in 18 of the studies [ 11 , 24 , 39 , 48 , 52 , 53 , 55 , 56 , 63 , 65 , 66 , 70 – 76 ]; and Yb:YAG laser was used in only one study [ 29 ]. The lasers were used with different power outputs, ranging from 400mW to 10W, femtosecond lasers using the lowest power, in contrast with Er:YAG and CO 2, which were set at the highest power outputs.…”

Section: Resultsmentioning

confidence: 99%

“…But other investigations have found lasers to increase the bond strength of composites and cements to ceramics compared with other methods [ 21 , 25 , 26 , 29 , 38 , 39 , 43 , 46 , 48 , 53 , 61 , 70 , 75 , 76 ]. Nevertheless, these studies compared different lasers [ 24 , 30 , 32 , 37 , 39 , 44 , 48 , 52 , 53 , 55 , 56 , 59 , 65 , 66 ], with results that express a lack of consensus as to which laser type is more effective.…”

Section: Discussionmentioning

confidence: 99%

“…Femtosecond lasers have been the latest addition, and have investigated in the last few years, reporting good results in terms of bond strength. Some authors have tested femtosecond lasers comparing them with conventional techniques or with other lasers, concluding that femtosecond laser increases the bond strength of resin cements and composites to ceramic surfaces [ 26 , 55 ]. Other studies have focused on determining the best parameters and protocols for obtaining optimal results with this laser.…”

Section: Discussionmentioning

confidence: 99%

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The effects of lasers on bond strength to ceramic materials: A systematic review and meta-analysis

et al. 2018

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Lasers have recently been introduced as an alternative means of conditioning dental ceramic surfaces in order to enhance their adhesive strength to cements and other materials. The present systematic review and meta-analysis aimed to review and quantitatively analyze the available literature in order to determine which bond protocols and laser types are the most effective.A search was conducted in the Pubmed, Embase and Scopus databases for papers published up to April 2017. PRISMA guidelines for systematic review and meta-analysis were followed.Fifty-two papers were eligible for inclusion in the review. Twenty-five studies were synthesized quantitatively. Lasers were found to increase bond strength of ceramic surfaces to resin cements and composites when compared with control specimens (p-value < 0.01), whereas no significant differences were found in comparison with air-particle abraded surfaces.High variability can be observed in adhesion values between different analyses, pointing to a need to standardize study protocols and to determine the optimal parameters for each laser type.

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Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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The effects of lasers on bond strength to ceramic materials: A systematic review and meta-analysis

et al. 2018

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“…Zirconia flat plates were used so the shape and dimensions of the adherent surfaces could be standardized through the experiment, being reproducible, and so the results could be compared to similar researches [ 12 , 13 , 15 ]. Square shape was chosen rather than round since it was found to be more stable in the acrylic resin bases during testing.…”

Section: Discussionmentioning

confidence: 99%

“…Femtosecond lasers have been proposed as an alternative for treating zirconia surfaces in an attempt to improve the adhesion of dental cements and orthodontic brackets [ 12 – 15 ]. These lasers, consisting of a Titanium-Sapphire oscillator, provide ultrashort pulses in the femtosecond range, and cause no thermal damage to the irradiated surfaces [ 16 ].…”

Section: Introductionmentioning

confidence: 99%

Effects of femtosecond laser and other surface treatments on the bond strength of metallic and ceramic orthodontic brackets to zirconia

et al. 2017

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Femtosecond laser has been proposed as a method for conditioning zirconia surfaces to boost bond strength. However, metallic or ceramic bracket bonding to femtosecond laser-treated zirconia surfaces has not been tested. This study compared the effects of four conditioning techniques, including femtosecond laser irradiation, on shear bond strength (SBS) of metallic and ceramic brackets to zirconia.Three hundred zirconia plates were divided into five groups: 1) control (C); 2) sandblasting (APA); 3) silica coating and silane (SC); 4) femtosecond laser (FS); 5) sandblasting followed by femtosecond laser (APA+SC). A thermal imaging camera measured temperature changes in the zirconia during irradiation. Each group was divided into 2 subgroups (metallic vs ceramic brackets). SBS was evaluated using a universal testing machine. The adhesive remnant index (ARI) was registered and surfaces were observed under SEM. Surface treatment and bracket type significantly affected the bracket-zirconia bond strength. SBS was significantly higher (p<0.001) for ceramic brackets in all groups (APA+FS > APA > FS > SC > control) than metallic brackets (APA+FS > FS > SC > APA > control). For metallic brackets, groups SC (5.99 ± 1.86 MPa), FS (6.72 ± 2.30 MPa) and APA+FS (7.22 ± 2.73 MPa) reported significantly higher bond strengths than other groups (p < 0.05). For ceramic brackets, the highest bond strength values were obtained in groups APA (25.01 ± 4.45 MPa), FS (23.18 ± 6.51 MPa) and APA+FS (29.22 ± 8.20 MPa).Femtosecond laser enhances bond strength of ceramic and metallic brackets to zirconia. Ceramic brackets provide significantly stronger adhesion than metallic brackets regardless of the surface treatment method.

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Direct Laser Interference Patterning of Zirconia Using Infra‐Red Picosecond Pulsed Laser: Effect of Laser Processing Parameters on the Surface Topography and Microstructure

Henriques,

Fabris,

Voisiat

et al. 2023

Adv Funct Materials

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This study investigates the influence of processing parameters when applying direct laser interference patterning (DLIP) on the morphology and microstructure of zirconia surfaces using a 10 ps‐pulsed laser source with 1064 nm wavelength. An experimental testing matrix is built with different values of laser fluence (5.7–18.2 J cm−2) and pulse overlap (66–98%). Surface morphology and microstructure are characterized by confocal microscopy and scanning electron microscopy. Homogeneous line‐like patterns with periodic spatial repetition of 5.0 µm, with varying depths, widths, and aspect ratio, are fabricated using proper processing parameters (5.7–7.6 J cm−2 and 92–96%). Structures with maximum depth of 1.5 µm and sharp edges are obtained (7.6 J cm−2 and 96% overlap). Ablated regions presented a morphology typical of photophysical ablation mechanism, with signs of molten material at the surface. Sub‐micrometric pores and nanodroplets are registered for all conditions, while sub‐micrometric cracks developed only for higher fluences. A processing window conducing to homogenous DLIP structures is set based on experimental data. Periodic structures with multiscale topographic features are successfully obtained on zirconia surfaces using DLIP technology in this study. These outcomes open new perspectives for fabrication of multifunctional zirconia surfaces for advanced biomedical and engineering applications.

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The Effect of Femtosecond Laser Treatment on the Effectiveness of Resin-Zirconia Adhesive: An In Vitro Study

Cited by 31 publications

References 38 publications

The effects of lasers on bond strength to ceramic materials: A systematic review and meta-analysis

The effects of lasers on bond strength to ceramic materials: A systematic review and meta-analysis

Effects of femtosecond laser and other surface treatments on the bond strength of metallic and ceramic orthodontic brackets to zirconia

Direct Laser Interference Patterning of Zirconia Using Infra‐Red Picosecond Pulsed Laser: Effect of Laser Processing Parameters on the Surface Topography and Microstructure

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