Different surface modifications combined with universal adhesives: the impact on the bonding properties of zirconia to composite resin cement

Lümkemann, Nina; Eichberger, Marlis; Stawarczyk, Bogna

doi:10.1007/s00784-019-02825-z

Cited by 39 publications

(58 citation statements)

References 44 publications

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“…This would also explain the higher rates of cohesive failure in the sandblasting group in the current study, which is in line with prior reports. 13,27,33,39 In contrast to previous studies comparing bond strengths of untreated, sandblasted, and oxygen plasma treated surfaces, 25,40 the present study found lower bond strength values for the OPT group than the SAB group. The differences in study findings may be due to differences in amounts of applied power, discharge voltage, and treatment duration.…”

Section: Discussioncontrasting

confidence: 97%

“…In line with El-Helbawy et al's 33 report of increases in increased O 2 levels following oxygen-plasma treatment, the relatively higher bond strength achieved through oxygen plasma treatment found in the present study may be due to improvements in the chemical adhesion between titanium and cement achieved through higher levels of O 2 on the cleaned titanium surfaces. 39,40 Sandblasting was also found to improve bond strength values. Sandblasting of surfaces creates areas of micro-retention that can improve adhesion of luting cements through mechanical interlocking.…”

Section: Discussionmentioning

confidence: 95%

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Effect of different surface treatments on the shear bond strength of luting cements used with implant-supported prosthesis: Anin vitrostudy

Değirmenci

Sarıdağ

2020

J Adv Prosthodont

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The aim of this study was to investigate the shear bond strength of luting cements used with implant retained restorations on to titanium specimens after different surface treatments. MATERIALS AND METHODS. One hundred twenty disc shaped specimens were used. They were divided into three groups considering the surface treatments (no treatment, sandblasting, and oxygen plasma treatment). Water contact angle of specimens were determined. The specimens were further divided into four subgroups (n=10) according to applied cement types: polycarboxylate cement (Adhesor Carbofine-AC), temporary zinc oxide free cement (Temporary Cement-ZOC), non eugenol provisional cement for implant retained prosthesis (Premier Implant Cement-PI), and non eugenol acrylic-urethane polymer based provisional cement for implant luting (Cem Implant Cement-CI). Shear bond strength values were evaluated. Two-way ANOVA test and Regression analysis were used to statistical analyze the results. RESULTS. Overall shear bond strength values of luting cements defined in sandblasting groups were considerably higher than other surfaces (P<.05). The cements can be ranked as AC > CI > PI > ZOC according to shear bond strength values for all surface treatment groups (P<.05). Water contact angles of surface treatments (control, sandblasting, and plasma treatment group) were 76.17° ± 3.99, 110.45° ± 1.41, and 73.80° ± 4.79, respectively. Regression analysis revealed that correlation between the contact angle of different surfaces and shear bond strength was not strong (P>.05). CONCLUSION. The retentive strength findings of all luting cements were higher in sandblasting and oxygen plasma groups than in control groups. Oxygen plasma treatment can improve the adhesion ability of titanium surfaces without any mechanical damage to titanium structure.

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Section: Discussioncontrasting

confidence: 97%

Section: Discussionmentioning

confidence: 95%

Effect of different surface treatments on the shear bond strength of luting cements used with implant-supported prosthesis: Anin vitrostudy

Değirmenci

Sarıdağ

2020

J Adv Prosthodont

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“…Generally, dental universal adhesives may be defined as single-bottle, no-mix systems [12]. Universal adhesives are characterized by simplified application steps and capability of bonding to various materials and dental hard tissues after appropriate surface treatment [13,14]. In general, they are composed of complex mixtures of crosslinked and functional hydrophilic and hydrophobic monomers in appropriate solvents, usually comprising acetone, ethanol, and/or water [4].…”

Section: Introductionmentioning

confidence: 99%

The Cytotoxicity and Genotoxicity of Three Dental Universal Adhesives—An In Vitro Study

Wawrzynkiewicz

Rozpędek‐Kamińska

Galita

et al. 2020

IJMS

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Dental universal adhesives are considered an useful tool in modern dentistry as they can be used in different etching techniques, allow for simplified protocol and provide sufficient bond strength. However, there is still no consensus as to their toxicity towards pulp. Thus, the present study aimed to evaluate the cytotoxicity and genotoxicity of three universal adhesives: OptiBond Universal, Prime&Bond Universal and Adhese in an in vitro experimental model, monocyte/macrophage cell line SC (ATCC CRL-9855). The cytotoxicity was measured by means of XTT assay, whereas the genotoxicity (comet assay) was evaluated based on the percentage of DNA present in the comet tail. Furthermore, the ability of the adhesives to induce apoptosis was analyzed using flow cytometry (FC) with the FITC annexin V/propidium iodide (PI) double staining. The analysis of the cell cycle progression was performed with FC using PI staining. OptiBond Universal presented significant, while Prime&Bond Universal and Adhese Universal had minimal cytotoxicity and genotoxicity towards human SC cells. Moreover, only OptiBond Universal increased the level of apoptosis in SC cell line. None of the adhesives showed significant cell cycle arrest, as revealed by FC analysis. Due to substantial differences in toxicity in in vitro studies of dental adhesives, there is a great need for further research in order to establish more reliable test protocols allowing for standardized methodology.

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“…With the KHF 2 or NH4HF2 etching technique, the surface roughness was lower than with air-borne particle abrasion and it was discussed that the bonding ability could have been enhanced by the better wettability of the surface. However, in that study they did not use the MDP-monomer containing primer, which was shown to be substantial for the successful clinical outcome of zirconia bonding 22) . In the present study the SBS of all the groups varied between 19.5-22.5 MPa when tested dry and 2.4-7.4 MPa when tested after thermal cycling.…”

Section: Discussionmentioning

confidence: 98%

“…The role of MDP-monomer in the bond strength of zirconia-to-resin cement has been addressed in several studies 9,[22][23][24] . In this study air-borne particle abrasion and MDP-monomer containing primer was used as a control group.…”

Section: Discussionmentioning

confidence: 99%

Effect of potassium hydrogen difluoride in zirconia-to-resin bonding

et al. 2021

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The objective of this study was to compare potassium hydrogen difluoride (KHF2) etching for zirconia with commonly used surface roughening and chemical bonding methods (silane, MDP-monomer primer) for resin-based luting cement bonding to zirconia. Zirconia specimens were divided into six groups (n=10) according to surface treatment and bonding procedures, with and without thermocycling (6,000 cycles, 5-55ºC): 1) airborne particle abrasion with alumina+MDP-monomer (ABP), 2) airborne particle abrasion with silicacoated trialuminium trioxide+silane (ABPR-S) and 3) KHF2 etching+silane (ETC). Surface roughness and bond strength (SBS-test) for dry and thermocycled specimens were measured. SBS did not vary statistically between the dry groups, but thermocycling decreased the bond strengths of all the tested methods (p<0.05). After thermocycling, ABP had statistically significantly lower bond strength values compared to ABPR-S and ETC (p<0.05). Etching method with KHF2 did not provide better bonding capacity to previously introduced and commonly adopted bonding methods.

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Different surface modifications combined with universal adhesives: the impact on the bonding properties of zirconia to composite resin cement

Cited by 39 publications

References 44 publications

Effect of different surface treatments on the shear bond strength of luting cements used with implant-supported prosthesis: Anin vitrostudy

Effect of different surface treatments on the shear bond strength of luting cements used with implant-supported prosthesis: Anin vitrostudy

The Cytotoxicity and Genotoxicity of Three Dental Universal Adhesives—An In Vitro Study

Effect of potassium hydrogen difluoride in zirconia-to-resin bonding

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