Bracket bond strength comparison between new unfilled experimental self-etching primer adhesive and conventional filled adhesives

Iijima, Masahiro; Ito, Sachiko; Muguruma, Takeshi; Saito, Takashi; Mizoguchi, Itaru

doi:10.2319/012010-43.1

Cited by 19 publications

(16 citation statements)

References 16 publications

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“…In the present study, a 4-META/MMA-TBB-based resin without BG was used as a control, and the mean bond strength thereof was 11.12 MPa. This value is very similar to the published value of 11.8 MPa for the same material (28). There were no significant differences in mean bond strength between the control specimen and BG-containing 4-META/MMA-TBB-based resins, with the exception of one specimen group with high BG content (50%).…”

Section: Discussionsupporting

confidence: 88%

Inhibition of enamel demineralization and bond-strength properties of bioactive glass containing 4-META/MMA-TBB-based resin adhesive

et al. 2015

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We investigated the enamel demineralization-prevention ability and shear bond strength (SBS) properties of 4-methacryloxyethyl trimellitic anhydride/methyl methacrylate-tri-n-butyl borane (4-META/MMA-TBB)-based resin containing various amounts (0-50%) of bioactive glass (BG). Disk-shaped specimens were immersed in distilled water and ions released were analysed by inductively coupled plasma atomic-emission spectroscopy. Samples were also immersed in lactic acid solution (pH 4.6) to estimate acid-neutralizing ability. Brackets were bonded to human premolars with BG-containing resins and the bonded teeth were alternately immersed in demineralizing (pH 4.55) and remineralizing (pH 6.8) solutions for 14 d. The enamel hardness was determined by nanoindentation testing at twenty equidistant distances from the external surface. The SBS for each sample was examined. The amounts of ions released [calcium (Ca), sodium (Na), silicon (Si), and boron (B)] and the acid-neutralizing ability increased with increasing BG content. After alternating immersion, the specimens bonded with the BG-containing resin with high BG content were harder than those in the other groups in some locations 1-18.5 μm from the enamel surface. Bioactive glass-containing (10-40%) resin had bond strength equivalent to the control specimen. Thus, the SBS obtained for BG-containing resin (6.5-9.2 MPa) was clinically acceptable, suggesting that this material has the ability to prevent enamel demineralization.

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Section: Discussionsupporting

confidence: 88%

Inhibition of enamel demineralization and bond-strength properties of bioactive glass containing 4-META/MMA-TBB-based resin adhesive

et al. 2015

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“…In the present study, Super-Bond/F3 released relatively a large amount of fluoride during the 6-month period, which was significantly greater than the value for Transbond Plus, but lower than the value for Fuji Ortho LC, except first day. Although Super-Bond/F3 requires self-etching for the bracket-bonding procedure 19) , the fluoride-releasing ability of Super-Bond/F3 may promote remineralization of the enamel around the bonded bracket on the enamel surface 13,20) . The use of cross-sectional microhardness measurements with a Knoop indenter has been a popular method for quantitatively investigating the demineralization of enamel 6,8,9) , since there is a strong correlation (R 2 =0.84-0.92) between enamel microhardness and mineral content determined by transversal microradiography in carious lesions 8,21,29) .…”

Section: Discussionmentioning

confidence: 99%

“…Most studies have shown that RMGIC are more effective for preventing the demineralization of enamel than both fluoride-releasing and non-fluoride-releasing composite resin adhesive systems 2,6,9) , although RMGIC were shown to have a lower bond strength than composite resin adhesives 4,5) . A recent study 11) investigated the shear bond strength of a new unfilled experimental self-etching primer (SEP) adhesive system that incorporates 4-META (4-methacryloxyethyl trimellitate anhydride)/MMA-TBB (Methyl methacrylate-tri-n-butyl borane)-based resin, and reported that this experimental adhesive system produced a milder etching pattern and an equivalent SBS. As another advantage, with the experimental SEP adhesive system, it may be easier to remove residual adhesive after debonding since it does not contain filler particles, which greatly influence the grindability of a composite resin adhesive 12) .…”

Section: Introductionmentioning

confidence: 99%

Effects of the addition of fluoride to a 4-META/MMA-TBB-based resin adhesive on fluoride release, acid resistance of enamel and shear bond strength in vitro

et al. 2013

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This study investigated fluoride release, acid resistance and shear bond strength (SBS) of new 4-META/MMA-TBB-based fluoridecontaining resin adhesive (Super-Bond/F3). Super-Bond, Transbond Plus and Fuji Ortho LC were selected for comparison. Fluoride release into distilled water during 6-month period was measured using disk-shaped specimens. Brackets were bonded to human premolars with each material and then the specimens for the nanoindentation test were subjected to alternating immersion (demineralizing and remineralizing solutions); the hardness and elastic modulus of the enamel around bracket were determined. Rest of the specimens was subjected to examine the SBS. Super-Bond/F3 and Fuji Ortho LC showed significantly greater fluoride release compared with the other materials. The reductions in hardness and the elastic modulus for Super-Bond/F3 and Fuji Ortho LC were lower than those for the other materilas. Super-Bond and Super-Bond/F3 showed significantly greater SBS than Fuji Ortho FC. In conclusion, Super-Bond/F3 showed high fluoride-release, cariostatic potential and equivalent SBS.

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“…In order to obtain a smooth and glossy restoration surface, residual adhesives must be carefully removed and polished with finishing-polishing kits so that discoloration and plaque accumulation could be prevented. The failure site is highly influenced by the bond strength between the substrate and the adhesive resin, the strength of the bond between the adhesive resin and the bracket base, and the mechanical properties of the adhesive resin [30]. In the present study, the highest amount of residual adhesives left on the IRC after HF conditioning.…”

Section: Discussionmentioning

confidence: 69%

Adhesion of orthodontic brackets to indirect laboratory-processed resin composite as a function of surface conditioning methods and artificial aging

Yüzbaşıoğlu

Sayar

Özcan

2016

Journal of Adhesion Science and Technology

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This study compared the shear bond strength of orthodontic brackets to laboratory processed indirect resin composites (IRC) after different surface conditioning methods and aging. Specimens made of IRC (Gradia Indirect, GC) (thickness: 2 mm; diameter: 10 mm) (N=80) were randomly assigned to one of the following surface conditioning methods: C-Control: no treatment; AA-Air-abrasion (50 µm Al 2 O 3 particles); DB-Diamond bur and HF-Etching with hydrofluoric acid (9.6%). After adhesive primer application (Transbond XT), orthodontic brackets were bonded to the conditioned IRC specimens using adhesive resin (Transbond XT). Following, storage in artificial saliva for 24 h at 37°C, the specimens were thermocycled (x1000, 5-55°C). The IRC-bracket interface was loaded under shear in a Universal Testing Machine (0.5 mm/min). Failure types were classified using modified Adhesive Remnant Index criteria.Data were analyzed using two-way ANOVA and Tukey`s HSD (⍺=0.05). Surface conditioning method did not significantly affect the bond strength results (p=0.2020) but aging significantly decreased the results (p=0.04). Interaction terms were not significant (p=0.775). In both non-aged and aged conditions, nonconditioned C group presented the lowest bond strength results (MPa) (p<0.05). In non-aged conditions, surface conditioning with DB (8.03±0.77) and HF (7.87±0.64) showed significantly higher bond strength results compared to those of other groups (p<0.05). Thermocycling significantly decreased the mean bond strength in all groups (2.24±0.36-6.21±0.59) (p<0.05). The incidence of Score 5 (all adhesive resin remaining on the specimen) was the highest in HF group without (80%) and with aging (80%) followed by DB (40, 70% respectively). C groups without and with aging showed exclusively Score 1 type (no adhesive resin on the specimen) of failures indicating the least reliable type of adhesion.

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Bracket bond strength comparison between new unfilled experimental self-etching primer adhesive and conventional filled adhesives

Abstract: The unfilled experimental SEP adhesive system showed a clinically sufficient SBS that was equivalent to the filled SEP adhesive system.

Cited by 19 publications

References 16 publications

Inhibition of enamel demineralization and bond-strength properties of bioactive glass containing 4-META/MMA-TBB-based resin adhesive

Inhibition of enamel demineralization and bond-strength properties of bioactive glass containing 4-META/MMA-TBB-based resin adhesive

Effects of the addition of fluoride to a 4-META/MMA-TBB-based resin adhesive on fluoride release, acid resistance of enamel and shear bond strength in vitro

Adhesion of orthodontic brackets to indirect laboratory-processed resin composite as a function of surface conditioning methods and artificial aging

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