Effect of laser preparation on adhesion of a self‐adhesive flowable composite resin to primary teeth

Memarpour, Mahtab; Shafıei, Fereshteh; Razmjoei, Faranak; Kianimanesh, Nasrin

doi:10.1002/jemt.22635

Cited by 14 publications

(33 citation statements)

References 31 publications

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“…Thus, it seems that the tooth surface should be prepared with other methods. Similarly, Memarpour et al 22 showed that the use of all-inone OptiBond enhanced the shear bond strength of the self-adhering composite to primary enamel and dentin. Shafiei and Saadat 23 showed that phosphoric acid etching for 15 seconds significantly increased the bond strength to the self-adhering composite.…”

Section: Discussionmentioning

confidence: 91%

“…Erbium laser irradiation creates an irregular rough surface, which is ideal for bonding to composites and is comparable to etched surfaces. 22 However, Jaberi Ansari et al 24 suggested further etching of surfaces treated with the Er,Cr:YSGG laser with phosphoric acid to increase the µSBS to composites. Similar to our study, Memarpour et al 22 used primary enamel samples and applied lasers for their surface treatment.…”

Section: Discussionmentioning

confidence: 99%

“…22 However, Jaberi Ansari et al 24 suggested further etching of surfaces treated with the Er,Cr:YSGG laser with phosphoric acid to increase the µSBS to composites. Similar to our study, Memarpour et al 22 used primary enamel samples and applied lasers for their surface treatment. They showed that the shear bond strength of the self-adhering composite to non-laser irradiated samples was lower than the bond strength of other groups.…”

Section: Discussionmentioning

confidence: 99%

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Microshear Bond Strength of a Self-adhesive Composite to Erbium Laser-Treated Primary Enamel

et al. 2020

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Introduction: Advances have been made in the composition of flowable composites in recent years and self-adhering composites, which do not require a bonding agent, have recently been introduced to the market. This study aimed to assess the microshear bond strength (µSBS) of a self-adhering flowable composite (Vertise) to primary enamel treated with a graphite disc with silicon carbide particles (SIC) and laser irradiation, the result of which was compared to that of a conventional flowable composite (Premise). Methods: In this in vitro, experimental study, 72 samples of sound primary enamel were evaluated. A smooth enamel surface was obtained using a graphite disc. Next, the erbium chromium yttrium scandium gallium garnet (Er,Cr:YSGG) laser was used for enamel surface treatment in half of the samples (n=36). All the samples were then randomly divided into 4 groups of (i) Premise flowable composite (PF) without laser (n=18), (ii) Vertise flowable composite (VF) without laser (n=18), (iii) PF with laser (n=18), and (iv) VF with laser (n=18). The teeth were then incubated at 37°C for 24 hours and were then subjected to thermocycling. The µSBS of samples was measured using a universal testing machine and reported in megapascal (MPa). Data were analyzed using SPSS via the two-way ANOVA and independent-samples t test at P<0.05. Results: The mean µSBS of VF was significantly higher to the laser-treated samples (13.60±5.47) compared with the non-treated samples (5.89±2.42) (P<0.001). However, no significant difference was noted in the µSBS of PF to the laser-treated (13.18±3.45) and non-treated samples (16.06±3.52) (P=0.058). Conclusion: The µSBS of the conventional flowable composite is higher than that of the selfadhering flowable composite to the enamel of primary teeth. Enamel surface treatment with laser irradiation increases the µSBS of self-adhering flowable composites.

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Section: Discussionmentioning

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Microshear Bond Strength of a Self-adhesive Composite to Erbium Laser-Treated Primary Enamel

et al. 2020

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“…This phenomena is termed as laser etching (Martinez‐Insua et al, ). Nevertheless the effectiveness of this technique is controversial; while some researchers support the preparation or etching ability of laser to enamel (Basaran et al, ; Kameyama et al, ; Memarpour et al, ; Ozer et al, ; Shafiei et al, ), others deny its efficacy (Martinez‐Insua et al, ; Usumez et al, ).…”

Section: Discussionmentioning

confidence: 99%

Bonding performance of universal adhesives to er,cr:YSGG laser‐irradiated enamel

Ayar

Erdemir

2016

Microscopy Res & Technique

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Universal adhesives have been recently introduced for use as self-etch or etch-and-rinse adhesives depending on the dental substrate and clinical condition. However, their bonding effectiveness to laser-irradiated enamel is still not well-known. Thus, the aim of this study was to compare the shear bond strength (SBS) of universal adhesives (Single Bond Universal; Nova Compo-B Plus) applied to Er,Cr:YSGG laser-irradiated enamel with SBS of the same adhesives applied in self-etch and acid-etching modes, respectively. Crown segments of sixty bovine incisors were embedded into standardized acrylic blocks. Flattened enamel surfaces were prepared. Specimens were divided into six groups according to universal adhesives and application modes randomly (n = 10), as follows: Single Bond Universal/acid-etching mode; Nova Compo-B Plus/acid-etching mode; Single Bond Universal/self-etching mode; Nova Compo-B Plus/self-etching mode; and Single Bond Universal/Er,Cr:YSGG Laser-etching mode; Nova Compo-B Plus/Er,Cr:YSGG Laser-etching mode. After surface treatments, universal adhesives were applied onto surfaces. SBS was determined after storage in water for 24 h using a universal testing machine with a crosshead speed of 0.5 mm min . Failure modes were evaluated using a stereomicroscope. Data was analyzed using two-way of analyses of variances (ANOVA) (p = 0.05). Two-way ANOVA revealed that adhesive had no effect on SBS (p = 0.88), but application mode significantly influenced SBS (p = 0.00). Acid-etching significantly increased SBS, whereas there are no significant differences between self-etch mode and laser-etching for both adhesives. The bond strength of universal adhesives may depend on application mode. Acid etching may significantly increase bond strength, while laser etching may provide similar bond strength when compared to self-etch mode.

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“…Some other studies have also confirmed this finding. [24][25][26][27][28] Lasing the enamel surface with erbium lasers creates an irregularly rough surface and allows the penetration of adhesive resin into these porosities and undercuts, resulting in the formation of resin tags and subsequent increased micromechanical retention. Previous studies suggested surface roughening by laser irradiation as an alternative to acid etch technique.…”

Section: Discussionmentioning

confidence: 99%

Microshear Bond Strength of OptiBond All-in-One Self-adhesive Agent to Er:YAG Laser Treated Enamel After Thermocycling and Water Storage

2016

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This study aimed to compare the microshear bond strength of composite to enamel treated with Erbium-Doped Yttrium Aluminum Garnet (Er:YAG) laser using a self-etch one step bonding agent. Seventy-six enamel surfaces were prepared from 38 sound human third molar teeth. Specimens were randomly divided into four groups of 18. The enamel surface in half the specimens was irradiated with Er:YAG laser. One extra specimen from each group was evaluated under a scanning electron microscope (SEM). Composite micro-cylinders were bonded to the specimen surfaces using OptiBond All-In-One (OB) adhesive agent and stored in distilled water for 24 hours. Half the specimens were thermocycled (2000 cycles) and stored in distilled water at 37°C for three months (TW). The microshear bond strength of composite to enamel was measured using a universal testing machine at a crosshead speed of 1 mm/min. The fractured surfaces were evaluated under a stereomicroscope at ×40 magnification to determine the mode of failure. Data were analyzed using repeated measures analysis of variance (ANOVA) and test. The mean values (±standard deviation) were 17.96 ± 2.92 MPa in OB group, 22.29 ± 4.25 MPa in laser + OB group, 18.11 ± 3.52 MPa in laser + OB + TW group and 9.42 ± 2.47 MPa in OB + TW group. Repeated measures ANOVA showed that laser irradiation increased the microshear bond strength ( < 0.001). Bond strength decreased when the samples were thermocycled and stored for three months ( < 0.001). The interaction effect of water storage and laser treatment on bond strength was significant ( < 0.05). Enamel surface preparation with Er:YAG laser is recommended to enhance the durability of the bond of self-etch bonding systems to enamel.

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Effect of laser preparation on adhesion of a self‐adhesive flowable composite resin to primary teeth

Cited by 14 publications

References 31 publications

Microshear Bond Strength of a Self-adhesive Composite to Erbium Laser-Treated Primary Enamel

Microshear Bond Strength of a Self-adhesive Composite to Erbium Laser-Treated Primary Enamel

Bonding performance of universal adhesives to er,cr:YSGG laser‐irradiated enamel

Microshear Bond Strength of OptiBond All-in-One Self-adhesive Agent to Er:YAG Laser Treated Enamel After Thermocycling and Water Storage

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