Development of dual-curing type experimental composite resin cement for orthodontic bonding-Effect of additional amount of accelerators on the mechanical properties-

Li, Jun; Shibuya, Isao; Teshima, I.; Nemoto, Kimiya; Nishiyama, Norihiro

doi:10.4012/dmj.28.401

Cited by 8 publications

(4 citation statements)

References 19 publications

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“…Dual cure cements are thought to improve the mechanical properties of the bracket-cement system 28) . Regarding failure mode, ARI recorded adhesive failures, but failed to record the cohesive fracture of the plastic bracket base, as revealed by SEM, as it is mainly focused on the enamel surface (here, composite bar surface).…”

Section: Discussionmentioning

confidence: 99%

Influence of the bracket on bonding and physical behavior of orthodontic resin cements

et al. 2015

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The aim of the study is to determine the influence of the type of bracket, on bond strength, microhardness and conversion degree (CD) of four resin orthodontic cements. Micro-tensile bond strength (µTBS) test between the bracket base and the cement was carried out on glass-hour-shaped specimens (n=20). Vickers Hardness Number (VHN) and micro-Raman spectra were recorded in situ under the bracket base. Weibull distribution, ANOVA and non-parametric test were applied for data analysis (p<0.05). The highest values of ή as well as the β Weibull parameter were obtained for metallic brackets with Transbond™ plastic brackets with the self-curing cement showing the worst performance. The CD was from 80% to 62.5%.

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Section: Discussionmentioning

confidence: 99%

Influence of the bracket on bonding and physical behavior of orthodontic resin cements

et al. 2015

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“…3 Later, dual-cure composites were developed in an attempt to overcome the problems of limited depth of cure seen in light-cured composites. 4, 5…”

Section: Introductionmentioning

confidence: 99%

“…3 Later, dual-cure composites were developed in an attempt to overcome the problems of limited depth of cure seen in lightcured composites. 4,5 The time needed for photopolymerization of orthodontic brackets has been a major concern in orthodontics. Recent advances in light-curing technology have made it possible to increase light power density and thus reduce the duration of exposure without compromising bonding efficacy.…”

Section: Introductionmentioning

confidence: 99%

High-Intensity Light-Emitting Diode and Reduced Curing Times—An In Vitro Study

Saritha

Sunitha

Chanikya

et al. 2022

J Indian Orthod Soc

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Objective: To evaluate and compare the effect of high-intensity light-emitting diode (LED) light-curing unit at different curing times on the shear bond strength (SBS), surface enamel loss, and degree of polymerization of a light-cure and dual-cure adhesive system. Materials and Methods: One hundred and twenty extracted human premolar teeth were divided into 2 groups— group 1 (light cure) and group 2 (dual cure), depending on the adhesive system used. These groups were further subdivided into 3 subgroups with 20 teeth each, depending on the duration of curing. A high-intensity LED curing unit was used to bond metal brackets onto the teeth. The samples were tested on a universal testing machine to measure the SBS. The samples were then observed under a simple microscope and modified adhesive remnant index scores were assigned. The bracket bases were mapped with energy-dispersive X-ray spectrometry to evaluate the amount of enamel present. Cured adhesive was scraped and was subjected to Fourier-Transform Infrared Spectroscopy to assess the degree of cure (%DC). Results: An increase in curing durations increased mean SBS values, %DC, and calcium-phosphorous ratios (Ca:P). Similarly, these parameters were higher for dual-cure subgroups when compared to light-cure subgroups. Conclusion: High-intensity LEDs can be used successfully for bonding orthodontic brackets with reduced curing duration. These LEDs help to reduce chairside time and can minimize damage to enamel without compromising bond strength.

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“…In a study , the dual cure adhesive was found to provide significantly higher bond strength compared to chemically cured and light cured materials 24 hours following activation. 511-13 …”

Section: Introductionmentioning

confidence: 99%

Comparison of Shear Bond Strength and Estimation of Adhesive Remnant Index between Light-cure Composite and Dual-cure Composite: An in vitro Study

Verma

Trehan

Sharma

2013

International Journal of Clinical Pediatric Dentistry

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Aims and objectives: To measure and compare the shear bond strength and adhesive remnant index of light-cure composite. (Enlight, Ormco.) and dual-cure composite (Phase II dual cure, Reliance Ortho).Materials and methods: Sixty extracted human premolar teeth were divided into two groups: group I (blue): conventional light cure composite resin. (Enlight, Ormco.) and group II (green): dual cure composite resin. (Phase II dual cure, Reliance Ortho.) with 30 teeth in each group. These samples were tested on the universal testing machine to measure the shear bond strength.Results: Student t-test showed that the mean shear bond strength of the conventional light cure group (8.54 MPa - 10.42 MPa) was significantly lower than dual cure group (10.45 MPa -12.17 MPa).Conclusion: These findings indicate that the shear bond strength of dual-cure composite resin (Phase II dual cure, Reliance Ortho) is comparatively higher than conventional light-cure composite resin (Enlight, Ormco). In the majority of the samples, adhesive remnant index (ARI) scores were 4 and 5 in both the groups whereas score 1 is attained by the least number of samples in both the groups.How to cite this article: Verma G, Trehan M, Sharma S. Comparison of Shear Bond Strength and Estimation of Adhesive Remnant Index between Light-cure Composite and Dual-cure Composite: An in vitro Study. Int J Clin Pediatr Dent 2013;6(3):166-170.

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Development of dual-curing type experimental composite resin cement for orthodontic bonding-Effect of additional amount of accelerators on the mechanical properties-

Cited by 8 publications

References 19 publications

Influence of the bracket on bonding and physical behavior of orthodontic resin cements

Influence of the bracket on bonding and physical behavior of orthodontic resin cements

High-Intensity Light-Emitting Diode and Reduced Curing Times—An In Vitro Study

Comparison of Shear Bond Strength and Estimation of Adhesive Remnant Index between Light-cure Composite and Dual-cure Composite: An in vitro Study

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