Microshear Bond Strength of Different Adhesive Systems to Dentin

Valizadeh, Sara; Moradi, Aida; Mirazei, Mansooreh; Amiri, Hooman; Kharazifard, Mohammad Javad

doi:10.18502/fid.v16i4.2085

Cited by 8 publications

(7 citation statements)

References 18 publications

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“…An universal adhesive system was chosen as the light-cured material since it represents the newest eighth-generation adhesives that can be applied according to the dentist's preference, with or without dentin etching (etch-and-rinse or self-etch application) 14 . Previous studies showed that Scotchbond™ Universal adhesive presents similar dentin bond strength 15 and bond stability 16 for etch-and-rinse and self-etch techniques, or higher bond strength for self-etch technique 17 , which was used in this investigation.…”

Section: Discussion/conclusionmentioning

confidence: 99%

Dual-cured adhesive system improves adhesive properties of dentin cavities restored with a bulk-fill resin composite

Melo

Ribeiro

Cunha

et al. 2022

Braz.j. of oral sci.

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Aim: To evaluate the impact of a dual-cured adhesive system on the in situ degree of conversion (DC), bond strength (BS) and failure mode (FM) of adhesive interfaces in dentin cavities restored with a bulk-fill resin composite. Methods: 4-mm-deep dentin cavities with a 3.1 C-factor were created in 68 bovine incisors (n = 17 per group). The lightcured (Scotchbond™ Universal) or the dual-cured (Adper™ Scotchbond™ Multi-purpose Plus) adhesive system was applied to the cavities, which were then restored with a bulkfill resin composite (Filtek™ Bulk Fill). In situ DC analysis was performed by means of micro Raman spectroscopy at the top and bottom interfaces. Push-out BS was measured in a universal testing machine after 24-h or 6-month water storage. FM was determined with a stereomicroscope. Data of in situ DC and BS were analyzed by two-way analysis of variance (ANOVA) and Tukey test (p<0.05), while the FM was analyzed descriptively. Results: The groups that received the dual-cured adhesive system showed statistically higher in situ DC and BS than those that received the light-cured adhesive system. Cohesive failure mode was the most frequent in all conditions. Conclusion: In situ DC and BS were influenced by the curing strategies of the adhesive systems with better performance of the dual-cured material.

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Section: Discussion/conclusionmentioning

confidence: 99%

Dual-cured adhesive system improves adhesive properties of dentin cavities restored with a bulk-fill resin composite

Melo

Ribeiro

Cunha

et al. 2022

Braz.j. of oral sci.

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“…In addition, the process of etching and rinsing with 35% phosphoric acid can remove calcium from the surface and collagen network and it negatively affects the bond strength. [ 18 ]…”

Section: Discussionmentioning

confidence: 99%

Investigation of the effect of simultaneous use of silver diamine fluoride and potassium iodide on the shear bond strength of total etch and universal adhesive systems to dentin

2022

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Background: Applying silver diamine fluoride (SDF) is recommended to arrest and prevent dental caries. However, it may jeopardize the bond of the restorative materials to the tooth. The aim of the present in vitro study was to evaluate the effect of the simultaneous use of the SDF and potassium iodide (KI) on shear bond strength to the sound dentin. Materials and Methods: In this in vitro study, on the buccal and lingual surfaces of the 48 human third molar teeth, dentinal surfaces with a diameter of 6 mm were created by removing the enamel. Then, the specimens were divided into four groups based on applying or not applying the KI/SDF and adhesive type (etch and rinse [E and R] or universal adhesive). Afterward, cylindrical composite restoration was made on the surfaces. Half of the specimens were subjected to 1000 cycles of thermocycling. Subsequently, the shear bond strength was evaluated by Universal testing machine. Furthermore, the type of failure was determined by a stereomicroscope. Data were analyzed by t -test and Chi-square at a significance level of P < 0.05. Results: There were statistically significant differences in shear bond strength between Groups 1 and 3 ( P < 0.05), whereas the bond strength difference between Groups 2 and 4 was not statistically significant ( P = 0.609). Failures were predominantly of the mixed type in almost all groups. Conclusion: Based on the results of this study, the superiority of shear bond strength of universal adhesive to the sound dentin compared to E and R adhesive was confirmed. Thus, using this type of adhesive is recommended under the condition that KI/SDF anticaries material is applied.

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“…In self-etch adhesives, the etch and rinse step is skipped; thus, the concentration of calcium and phosphorous ions after the dissolution of hydroxyapatite crystals prevents further dissolution and may decrease demineral-ization [ 19 ] . However, some studies showed that the bond strength of self-etch and total-etch adhesives was similar and can provide a reliable bond specially in dentin where achieving an acceptable bond strength is more challenging [ 20 – 22 ]. Other investigations reported that the bond strength of one-step self-etch adhesives was lower than that of total-etch and also two-step self-etch adhesives [ 23 , 24 ].…”

Section: Discussionmentioning

confidence: 99%

Comparative Evaluation of Microtensile Bond Strength of Three Adhesive Systems

Jafarnia¹,

Meymand²,

Zandkarimi³

et al. 2022

fid

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Objectives: The aim of this study was to assess the microtensile bond strength of three universal adhesives to dentin and enamel. Materials and Methods: Sixty extracted human third molar teeth were chosen and divided into six groups regarding the adhesive (G-Premio Bond, Clearfil S3 Bond or Single Bond) and tooth surface. All the applied bonding agents were universal adhesives. The teeth were polished and the adhesives were applied; then the teeth were restored with composite resin. The samples were mounted in acrylic resin and sectioned. The specimens were subjected to a universal testing machine and the microtensile bond strength was measured. The failure mode of each specimen was determined under a stereomicroscope. Data were analyzed using two-way ANOVA (α=0.05). Results: The microtensile bond strength of G-Premio Bond to enamel and dentin was 11.79±8.27 and 17.55±9.47 MPa, respectively which was not significantly different from the values in Single Bond group (15.59±10.66 and 17.19±10.09 MPa to enamel and dentin, respectively; P>0.05). However, the values for Clearfil S3 Bond were 7.11±4.23 and 7.88±8.83 MPa to enamel and dentin, respectively, which were significantly lower than the values for G-Premio Bond (P<0.05). Scanning electron microscopic (SEM) images showed that the adhesive failure was dominant in both enamel and dentin groups and in all adhesive systems. Conclusion: G-Premio Bond and Single Bond provided higher microtensile bond strength compared with Clearfil S3 Bond. Universal adhesives with their acceptable performance can be applied in self-etch mode on both enamel and dentin.

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Microshear Bond Strength of Different Adhesive Systems to Dentin

Cited by 8 publications

References 18 publications

Dual-cured adhesive system improves adhesive properties of dentin cavities restored with a bulk-fill resin composite

Dual-cured adhesive system improves adhesive properties of dentin cavities restored with a bulk-fill resin composite

Investigation of the effect of simultaneous use of silver diamine fluoride and potassium iodide on the shear bond strength of total etch and universal adhesive systems to dentin

Comparative Evaluation of Microtensile Bond Strength of Three Adhesive Systems

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