Influence of filler addition to bonding agents on shear bond strength to bovine dentin

Miyazaki, Masashi; Ando, Susumu; Hinoura, K; Onose, H; Moore, B. Keith

doi:10.1016/0109-5641(95)80055-7

Cited by 115 publications

(93 citation statements)

References 17 publications

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“…17 Additionally, it is important to mention that the gradient concentration of nanofillers in the SB adhesive seems to create a layer in which the stress generated due to both the polymerization shrinkage and to the loading test is more evenly distributed. 18 According to the manufacturer's information, SB and EO have a similar composition, with the exception of methacrylated phosphoric esters in the latter. This modification in the adhesive composition reduced the pH (from 4.3 to 3.5) and eliminated the need to apply the aggressive, low-pH phosphoric acid gel (pH 0.6), which increased the ability of the adhesive to effectively etch and permeate the smear layer.…”

Section: Discussionmentioning

confidence: 99%

Fracture resistance of teeth restored with different resin-based restorative systems

et al. 2012

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The aim of the present study was to evaluate the fracture resistance of teeth restored with resin composite. Forty-eight maxillary premolar teeth were chosen and randomly divided to six groups: G1 (control): sound teeth; G2: MOD preparation, unrestored; G3: MOD + Adper Single Bond 2 / P60; G4: MOD + Adper Easy One / P60; G5: MOD + P90 restorative system; G6: MOD + Adper Easy One / P90 Bond / P90. Specimens were subjected to compressive axial loading (0.5 mm/min). Flexural strength and the modulus of elasticity were also tested (n = 7). The only statistical equivalence with sound teeth was noted for G3 (p < 0.05). Flexural strength and the modulus of elasticity varied among the composites tested (n = 10). The reestablishment of the resistance to fracture in premolars subjected to Class II MOD preparations is restorative-system-dependent. The silorane restorative system is not able to recover the resistance to fracture.

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Section: Discussionmentioning

confidence: 99%

Fracture resistance of teeth restored with different resin-based restorative systems

et al. 2012

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“…However, nanosilica fillers form a resin film that stabilizes the hybrid layer (19). The intermediate layer of the adhesive filler promotes an elastic zone that improves the capacity to accommodate contractile forces during composite resin polymerization (20,21). Also, functional monomers interact with Ca +2 to form apatite crystallites within the partially demineralized hybrid layer to form an insoluble calcium salt (22,23).…”

Section: Discussionmentioning

confidence: 99%

Shear bond strength of self-etch and total-etch adhesives to bovine enamel and dentin

Raposo¹,

Santana²

2012

Rev. odonto ciênc.

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Purpose: To evaluate the shear bond strength of a self-etch adhesive and an etch-and-rinse adhesive when bonded to bovine enamel and dentin.Methods: The labial surfaces of 28 bovine mandibular incisors were wet ground to achieve a flat enamel or dentin surface. A 1-step self-etch adhesive and a 3-step etch-and-rinse adhesive were bonded to enamel or dentin according to the manufacturer's instructions (Adper Easy One and Adper Scotchbond, respectively). A composite resin cylinder (Filtek Z350 XT) was built upon the adhesive layer using a silicon mold (2 mm in diameter × 3 mm high). The specimens were stored in 37°C distilled water for 24 h. The bond strength was measured by a universal testing machine at a crosshead speed of 1.0 mm/min. Student's t-test was used to compare bond strength values between adhesives at the 95% confidence level.Results: For the enamel specimens, Adper Scotchbond had significantly higher values of bond strength than Adper Easy One (P=0.007). For the dentin specimens, there were no statistically significant differences between adhesives (P=0.12).Conclusion: Adper Easy One showed lower shear bond strength than Adper Scotchbond on enamel. For dentin, Adper Easy One showed bond strength similar to Adper Scotchbond.

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“…Various methods have been reported for evaluating polymerization shrinkage of resin composites, such as mercury dilatometer 16,21) , bonded disk method 22,23) , optical method 24,25) , use of the strain gauge 26) , liner shrinkage [27][28][29] etc. Monteiro et al compared the polymerization shrinkage of resin composites using three different methods; coordinate measuring machine (CMM), optical coherence tomography (OCT) and Archimedes' principle 30) .…”

Section: Discussionmentioning

confidence: 99%

“…Polymerization or adhesiveness of resin composites is affected by the light intensity of light curing unit 23,29,31) . A cavity base material is applied on the cavity wall and floor, and thus the light guide tip cannot be placed close to the restored resin composite.…”

Section: Discussionmentioning

confidence: 99%

Characteristics of low polymerization shrinkage flowable resin composites in newly-developed cavity base materials for bulk filling technique

Nitta

Nomoto

Tsubota

et al. 2017

Dental Materials Journal

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The purpose of this study was to evaluate polymerization shrinkage and other physical properties of newly-developed cavity base materials for bulk filling technique, with the brand name BULK BASE (BBS). Polymerization shrinkage was measured according to ISO/FDIS 17304. BBS showed the significantly lowest polymerization shrinkage and significantly higher depth of cure than conventional flowable resin composites (p<0.05). The Knoop hardness, flexural strength and elastic modulus of that were significantly lower than conventional flowable resin composites (p<0.05). BBS had the significantly greatest filler content (p<0.05). SEM images of the surface showed failure of fillers. The lowest polymerization shrinkage was due to the incorporation of a new type of low shrinkage monomer, which has urethane moieties. There were no clear correlations between inorganic filler contents and polymerization shrinkage, flexural strength and elastic modulus. In conclusion, the low polymerization shrinkage of BBS will be useful for cavity treatment in dental clinics.

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Influence of filler addition to bonding agents on shear bond strength to bovine dentin

Cited by 115 publications

References 17 publications

Fracture resistance of teeth restored with different resin-based restorative systems

Fracture resistance of teeth restored with different resin-based restorative systems

Shear bond strength of self-etch and total-etch adhesives to bovine enamel and dentin

Characteristics of low polymerization shrinkage flowable resin composites in newly-developed cavity base materials for bulk filling technique

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