Shear bond strength, flexural strength, water sorption and solubility of self-adhesive resin cement

The purpose of this study was to evaluate the effect of non-thermal atmospheric pressure plasma (NTP) on shear bond strength (SBS) between yttria-stabilized tetragonal zirconia polycrystal (Y-TZP) and self-adhesive resin cement. For this study, surface energy (SE) was calculated with cube-shaped Y-TZP specimens, and SBS was measured on disc-shaped Y-TZP specimens bonded with G-CEM LinkAce or RelyX U200 resin cylinder. The Y-TZP specimens were classified into four groups according to the surface treatment as follows: Control (no surface treatment), NTP, Sb (Sandblasting), and Sb + NTP. The results showed that the SE was significantly higher in the NTP group than in the Control group (p < 0.05). For the SBS test, in non-thermocycling, the NTP group of both self-adhesive resin cements showed significantly higher SBS than the Control group (p < 0.05). However, regardless of the cement type in thermocycling, there was no significant increase in the SBS between the Control and NTP groups. Comparing the two cements, regardless of thermocycling, the NTP group of G-CEM LinkAce showed significantly higher SBS than that of RelyX U200 (p < 0.05). Our study suggests that NTP increases the SE. Furthermore, NTP increases the initial SBS, which is higher when using G-CEM LinkAce than when using RelyX U200.

Download Full-text

The Effect of Aging and Surface treatments on Micro-shear Bond Strength of Resin Nano-Ceramic Material Using Two Resin Cements

Journal of Dentistry and Oral Sciences ◽

10.37191/mapsci-2582-3736-2(1)-021 ◽

2020 ◽

Author(s):

Ayman Mohammed Said

Keyword(s):

Bond Strength ◽

Hydrofluoric Acid ◽

Shear Bond Strength ◽

Surface Treatments ◽

Resin Cement ◽

Acid Etching ◽

Resin Cements ◽

Adhesive Resin ◽

Mean Values ◽

Adhesive Resin Cement

Purpose: To evaluate the effect of aging and different surface treatments on micro-shear bond strength of two resin cements to resin nano-ceramic composite blocks using an in-vitro study. Materials and methods: Blocks of resin nano-ceramic (Lava Ultimate, 3M, St Paul, Minnesota, USA) were used to prepare eight plates having the following dimensions: (14mm × 12mm × 2mm). After plates preparation they were assigned to two main groups according to the surface treatment applied, either hydrofluoric acid etching and silane or sandblasting and silane. Scanning electron microscope (SEM) was used to analyze the surface topography of the Lava-Ultimate plates before and after application of surface treatments. Two resin cements were used; dual cured adhesive resin cement (Bifix QM, VOCO, Cuxhafen, Germany) and dual cured self-adhesive resin cement (Bifix SE, VOCO, Cuxhafen, Germany) to create a five resin micro-cylinders received on each lava ultimate plate. Ten specimens from each subgroup were tested after 24 hours and the other ten specimens were tested after aging in saline for 6 months. Micro-shear bond strength test was applied until failure. . Multi-factorial ANOVA test and One-way ANOVA followed by pair-wise Tukey’s post-hoc tests were used to analyze the data. Results: Both resin cements showed statistically significant decrease on bond strength after aging. Before aging, both surface treatments with adhesive resin cement showed statistically significant higher micro-shear bond strength mean values than with self-adhesive resin cement. After aging sandblasting showed a statistically significant higher micro-shear bond strength mean values with adhesive resin cement, while hydrofluoric acid etching revealed a statistically non-significant higher values with adhesive resin cement than self-adhesive resin cement. Conclusion: For both surface treatments and resin cements aging had a detrimental effect on micro- shear bond strength.

Download Full-text

Micro-Shear Bond Strength of Novel MDP Calcium-Fluoride–Releasing Self-Adhesive Resin Cement After Thermocycling

The International Journal of Periodontics & Restorative Dentistry ◽

10.11607/prd.3992 ◽

2020 ◽

Vol 40 (3) ◽

pp. 445-455 ◽

Cited By ~ 1

Author(s):

Aliaa Mahrous ◽

Mohamed Radwan ◽

Samah Kamel

Keyword(s):

Bond Strength ◽

Calcium Fluoride ◽

Shear Bond Strength ◽

Resin Cement ◽

Adhesive Resin ◽

Adhesive Resin Cement

Download Full-text

Relining effects on the push-out shear bond strength of glass fiber posts

Revista de Odontologia da UNESP ◽

10.1590/1807-2577.14815 ◽

2016 ◽

Vol 45 (4) ◽

pp. 227-233

Author(s):

Adriana Rosado Valente ANDRIOLI ◽

Margareth COUTINHO ◽

Andréa Araújo de VASCONCELLOS ◽

Milton Edson MIRANDA

Keyword(s):

Bond Strength ◽

Glass Fiber ◽

Shear Bond Strength ◽

Resin Cement ◽

Cervical Region ◽

Adhesive Resin ◽

Fiber Posts ◽

Glass Fiber Posts ◽

Adhesive Resin Cement ◽

Push Out

Abstract Introduction The correct use of glass fiber posts in endodontically treated teeth is essential for the clinical success of restorative treatment. Objective This study evaluated the push-out shear bond strength of relined (R) or non-relined (NR) glass fiber posts, cemented with self-adhesive resin cement [RelyXTM U100 (U100)] and conventional resin cement [RelyXTM ARC (ARC)]. Material and method Sixty human single-rooted teeth were endodontically treated and divided into ARC-NR; U100-NR; ARC-R; U100-R groups. The teeth were sectioned into cervical, middle and apical thirds, and subjected to the push-out test. Bond strength was analyzed by the Friedman test; cement and post types were compared by the Mann Whitney test. The pattern of failures was evaluated with digital camera through images at 200x magnification, and was classified as adhesive (at the cement/dentin or cement/post interface), cohesive (cement or post), and mixed failures. Result In ARC-NR, bond strength values were higher in the cervical third; in U100-NR and ARC-R they were similar between the thirds. In U100-R, in the cervical and middle thirds the bond strength values were similar, and there was lower value in the apical third. For non-relined glass fiber posts, the highest mean bond strength values were observed with self-adhesive resin cement. Whereas, relined posts cemented with conventional resin cement had stronger cement layer in comparison with non-relined fiber posts. Conclusion The post relining technique was efficient in ARC-R. ARC-NR and U100-R showed improved bond strength in the cervical region of canal walls. The main failures were adhesive at the cement-post interface.

Download Full-text

The Effect of Sandblasting and Different Primers on Shear Bond Strength Between Yttria-tetragonal Zirconia Polycrystal Ceramic and a Self-adhesive Resin Cement

Operative Dentistry ◽

10.2341/13-149-l ◽

2015 ◽

Vol 40 (1) ◽

pp. 63-71 ◽

Cited By ~ 41

Author(s):

Y-A Yi ◽

J-S Ahn ◽

Y-J Park ◽

S-H Jun ◽

I-B Lee ◽

...

Keyword(s):

Bond Strength ◽

Shear Bond Strength ◽

Tetragonal Zirconia ◽

Xrd Analysis ◽

Resin Cement ◽

Air Abrasion ◽

Adhesive Resin ◽

Multiple Comparison Test ◽

Adhesive Resin Cement ◽

Tetragonal Zirconia Polycrystal

SUMMARY Purpose To evaluate the effect of zirconia primers, air-abrasion, and tribochemical surface treatment methods on the shear bond strength between yttria-tetragonal zirconia polycrystal (Y-TZP) ceramic and self-adhesive resin cement. Methods and Materials Y-TZP ceramic surfaces were ground flat with 600-grit silicon carbide paper and then divided into seven groups of 10 and treated as follows: untreated (control), Monobond Plus, Z-PRIME Plus, ESPE Sil with CoJet, air-abrasion, Monobond Plus with air-abrasion, and Z-PRIME Plus with air-abrasion. Self-adhesive resin cement was placed onto the treated Y-TZP specimens for each group. All specimens were thermocycled and subjected to a shear bond strength test. Scanning electron microscope images of the fractured areas and x-ray diffraction (XRD) analysis of the surface-treated Y-TZP specimens were performed. Data were statistically analyzed using one-way analysis of variance and the Student-Newman-Keuls multiple comparison test (p<0.05). Results The Z-PRIME Plus treatment in combination with air-abrasion produced the highest bond strength (16.50±2.26 MPa), followed by air-abrasion (10.56±3.32 MPa), and then Monobond Plus combined with air-abrasion (8.93±3.13 MPa), ESPE Sil after CoJet application (8.54±3.98 MPa), and the Z-PRIME Plus group (8.27±2.79 MPa). The control (3.91±0.72 MPa) and Monobond Plus (4.86±1.77 MPa) groups indicated the lowest results (p<0.05). The XRD results showed the peaks of the monoclinic phase for the air-abrasion and CoJet treatment groups compared with the Y-TZP control. Conclusion Z-PRIME Plus primer application after air-abrasion presented the best results for improving the bond strength between Y-TZP ceramic and self-adhesive resin cement.

Download Full-text