Novel self-adhesive composites: Chemical and microstructural comparisons to commercial materials

Delgado, António H. S.; AlMusa, Arwa; Eshmawi, Yousef; Xia, Wendy; Ashley, Peter; Young, Alison

doi:10.1016/j.dental.2018.08.124

Cited by 3 publications

(3 citation statements)

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“…Infrared analysis is a widely employed technique, utilized for identifying functional groups present in both pure substances and mixtures, as well as for comparing different compounds. This method relies on the correlation between the vibrational movement of atoms and molecules (10,11). The FTIR spectra of Nano-hydroxyapatite, as shown in Figure 3, exhibit two strong absorption bands at 1022 cm -1 and 555 cm -1 , which are attributed to PO4 -3 and the weak absorption band at 3695 cm -1 corresponding to the hydroxyl group (12).…”

Section: Discussionmentioning

confidence: 99%

Novel incorporation of charged hydroxyapatite nanoparticles into resin adhesive

Bahra H. Agha,

Niaz Hamaghareeb Hamasaeed,

Faiq H. S. Hussain

2023

Cell Mol Biol (Noisy-le-grand)

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Section: Discussionmentioning

confidence: 99%

Novel incorporation of charged hydroxyapatite nanoparticles into resin adhesive

Bahra H. Agha,

Niaz Hamaghareeb Hamasaeed,

Faiq H. S. Hussain

2023

Cell Mol Biol (Noisy-le-grand)

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“…In the OBFL group, a red stain is also visible. This is because the primer fails to reach the entire demineralization front, which can range from 8 μm to 10 μm, for 15 s of orthophosphoric acid (37.5%), again leaving some collagen fibrils bare [ 64 ].…”

Section: Discussionmentioning

confidence: 99%

Comparative Assessment of Different Pre-Treatment Bonding Strategies to Improve the Adhesion of Self-Adhesive Composites to Dentin

et al. 2022

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The aim of this study is to compare the adhesive interface formed in dentin, using self-adhesive composites applied with different bonding strategies, by testing the microtensile bond strength (μTBS) and ultramorphology through the use of light microscopy. Permanent, sound human molars were randomly allocated to six experimental groups. The groups included a negative control group, where only etching was performed via EtchOnly; a positive control group where an adhesive was applied, OptiBondFL (OBFL); and an experimental group where a primer was applied using a co-curing strategy together with a composite (Primer_CoCuring). The samples were sectioned into microspecimens for μTBS (n = 8) and into 1-mm thick slabs for light microscopy using Masson’s trichrome staining protocol (n = 3). The statistical analysis included a two-way ANOVA for μTBS data and Tukey’s HSD was used as a post-hoc test (significance level of 5%; SPSS v. 26.0). The results of the μTBS revealed that the self-adhesive composite (F = 6.0, p < 0.018) and the bonding strategy (F = 444.1, p < 0.001) significantly affected the bond strength to dentin. However, their interactions were not significant (F = 1.2, p = 0.29). Etching dentin with no additional treatment revealed the lowest μTBS (VF_EtchOnly = 2.4 ± 0.8 MPa; CC_EtchOnly = 2.0 ± 0.4 MPa), which was significantly different from using a primer (VF_CoCu = 8.8 ± 0.8 MPa; CC_CoCu = 6.3 ± 1.0 MPa) or using the full adhesive (VF_OptiBondFL = 22.4 ± 0.3 MPa; CC_OptibondFL = 21.2 ± 0.4 MPa). Microscopy images revealed that the experimental Primer_CoCuring was the only group with no collagen fibers exposed to the dentin–composite interface. Overall, the use of a primer, within the limitations of this study, increased the bonding of the self-adhesive composite and provided sufficient infiltration of the collagen based on light-microscopic imaging.

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“…Bulk fill restorations have become popular these days due to the shorter of time and fewer steps required for their application, which paved the way for the self-adhesive composite [9]. Self-adhesive composites consist of the traditional system of methacrylate plus the same acidic monomers in self-etch bonding materials ( ) [10].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Self-Adhesive Composite Restorations Bond on Primary Canines: An In Vitro Study

Bashi¹,

Bshara²,

Alzoubi³

2023

Cureus

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Background and purposeThe aesthetic requirements for the restoration of the primary anterior teeth of both the child and his parents increased recently, especially with the presence of materials with good mechanical properties capable of giving a good aesthetic shape. However, the challenge remains in the possibility of applying these materials to primary teeth, where the child's cooperation and ability to keep their mouth open during the completion of the restoration is an important challenge for the dentist. Therefore, this study aimed to evaluate the bonding of self-adhesive composite by studying the microleakage in primary canines. Materials and methodsThe studied sample consisted of 60 extracted primary canines that were divided into three equal groups (n=20) according to the type of restoration: group 1 (experimental) -self-adhesive composite alone, group 2 (experimental) -self-adhesive composite with selective enamel etching, and group 3 (control)conventional composite with the self-etching bond and selective enamel etching. A Class V cavity was prepared at the cementoenamel junction, 2 mm deep and 1 mm in diameter. In this way, the gingival wall is dentine, while the incisal wall is enamel-dentine. Restorations were placed according to the group to which the tooth belongs. After that, all teeth were subjected to 500 cycles of thermocycling. Then, a methylene blue dye microleakage test was performed, and longitudinal sections of the teeth were made and studied under x20 magnification using a stereo microscope. ResultsIn the gingival wall, the scores of microleakage in the conventional composite group after selective etching were lower than those of the self-adhesive composite groups, with a statistically significant difference. While in the incisal wall, there were no statistically significant differences in the frequencies of the scores of microleakage between the three groups. ConclusionsWithin the limitations of this study, the conventional composite bonded better to enamel and dentine than self-adhesive composite resin applied alone or after selective enamel etching. The bonding of the selfadhesive composite was lower than that of the conventional composite, and it is not recommended to use it in Class V restorations of primary anterior teeth.

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Novel self-adhesive composites: Chemical and microstructural comparisons to commercial materials

Cited by 3 publications

References 0 publications

Novel incorporation of charged hydroxyapatite nanoparticles into resin adhesive

Novel incorporation of charged hydroxyapatite nanoparticles into resin adhesive

Comparative Assessment of Different Pre-Treatment Bonding Strategies to Improve the Adhesion of Self-Adhesive Composites to Dentin

Evaluation of Self-Adhesive Composite Restorations Bond on Primary Canines: An In Vitro Study

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