Effects of Zn-Doped Mesoporous Bioactive Glass Nanoparticles in Etch-and-Rinse Adhesive on the Microtensile Bond Strength

Choi, Yeonju; Sun, Woogyeong; Kim, Yeon; Kim, In‐Ryoung; Gong, Mi-Kyung; Yoon, Soon-Do; Bae, Moon‐Kyoung; Park, Bong Soo; Park, Soo‐Byung; Kim, Yong‐Il

doi:10.3390/nano10101943

Cited by 16 publications

(13 citation statements)

References 59 publications

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“…However, over time, hydrolysis occurs in the hybrid layer, resulting in a decrease in long-term stability of the resin-dentin bond [9,19]. Various factors are involved in the decomposition of the hybrid layer, but two of these are the hydrolysis of the polymer and exposed collagen fibers [9,[19][20][21][22]. It has been reported that collagen fibers exposed in the hybrid layer are hydrolyzed by MMPs, thereby reducing the adhesion of the resin restoration to dentin [15,[21][22][23][24].…”

Section: Discussionmentioning

confidence: 99%

Effect of Remineralized Collagen on Dentin Bond Strength through Calcium Phosphate Ion Clusters or Metastable Calcium Phosphate Solution

et al. 2020

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This study aimed to investigate whether dentin remineralization and micro-tensile bond strength increase when using calcium phosphate ion clusters (CPICs) or metastable Ca-P. After being etched, each dentin specimen was designated into four groups and treated with the appropriate solution for 1 min: 100% ethanol, 2 and 1 mg/mL of CPICs, and metastable Ca-P. The specimens were then prepared for scanning electron microscopy (SEM), transmission electron microscropy (TEM) imaging, a matrix metalloproteinases inhibition assay, and the micro-tensile bond strength test. To compare among the groups, one-way analysis of variance was performed. In the SEM imaging, with a rising concentration of CPICs, the degree of remineralization of dentin increased significantly. The metastable Ca-P treated specimens showed a similar level of remineralization as the 1 mg/mL CPICs treated specimens. The TEM imaging also revealed that dentin remineralization occurs in a CPICs concentration-dependent manner between the demineralized dentin and the resin layer. Furthermore, the results of micro-tensile bond strength showed the same trend as the results confirmed by SEM and TEM. We demonstrated that a 1 min pretreatment of CPICs or metastable Ca-P in etched dentin collagen fibril can achieve biomimetic remineralization and increase micro-tensile bond strength.

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Section: Discussionmentioning

confidence: 99%

Effect of Remineralized Collagen on Dentin Bond Strength through Calcium Phosphate Ion Clusters or Metastable Calcium Phosphate Solution

et al. 2020

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“…This result agrees with that found by previous studies in which both toothpastes have showed similar extent of dentinal tubules occlusion (17) . The higher effect of NHA-containing toothpaste has been attributed to elevation of calcium concentrations, causing the remineralization of early caries lesions in an in-situ study (18) . NHA in dentifrice is reported to function by directly filling up micropores on demineralized tooth surfaces, and when it penetrates dentinal tubules it acts as a template in the remineralization process by continuously attracting large amounts of calcium and phosphate ions from the remineralization solution to the tooth tissue, thus promoting crystal integrity and growth (19) .…”

Section: Discussionmentioning

confidence: 96%

Comparative evaluation of four different remineralizing agents on dentin surface topography: an invitro study

Wakwak

Elkady

Basha

2021

Egyptian Dental Journal

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This study was designed to evaluate the effect of four remineralizing agents on surface topography of dentin.Materials and methods: 75 Teeth were divided according to the remineralizing agents into five treatment groups (Control C, CPP-ACP A, NovaMin V, n-HA N & NaF F) 15 teeth each. Time of pH cycling periods were divided to (one week (W1), two weeks (W2) and five weeks (W5)Results: Regarding all of pH cycle periods (W1, W2&W5); there was statistically significant difference between mean dentinal tubules diameter values of the control group on one hand and each of A, V, N and F groups on the other hand. However, there was no statistically significance difference between all those remineralizing agents. The N groups showed the lowest mean value of dentinal tubules diameter while the F groups showed the highest mean value of dentinal tubules diameter.Conclusions: Surface topography of dentin is positively affected by the application of remineralizing agents. Increasing the application rate (pH cycling periods) of the remineralizing agents significantly affect the surface topography of dentin.

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“…Determination of cytotoxicity for bioactive materials needs to have a pre-conditioning process [ 58 ] or find the optimal concentration of extract [ 31 , 59 ]. Therefore, in this study, the MTT assay of hDPSCs was cultured in the five different concentrations of Mg-CSC extracts (100, 50, 25, 12.5, 0%).…”

Section: Discussionmentioning

confidence: 99%

“…Human dental pulp stem cells (hDPSCs) were seeded at a density of 5 × 10 4 cells/well in a 48-well plate with 25% diluted extraction medium of Mg-CSC (Mg = 0 to 5 mol%) powder [ 30 , 31 ]. hDPSCs were cultured in α-Minimum Essential Medium (α-MEM, Gibco, Grand Island, NY, USA) containing 10 mM β-glycerophosphate, 50 µg/mL ascorbic acid, and 0.1 µM dexamethasone to induce differentiation.…”

Section: Methodsmentioning

confidence: 99%

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Physicochemical and Biological Properties of Mg-Doped Calcium Silicate Endodontic Cement

2021

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Calcium silicate-based cement has been widely used for endodontic repair. However, it has a long setting time and needs to shorten setting time. This study investigated the effects of magnesium (Mg) ion on the setting reaction, mechanical properties, and biological properties of calcium silicate cement (CSC). Sol-gel route was used to synthesize Mg ion-doped calcium silicate cement. Synthesized cement was formulated with the addition of different contents of Mg ion, according to 0, 1, 3, 5 mol% of Mg ion-doped calcium silicate. The synthesized cements were characterized with X-ray diffraction (XRD), Fourier transformed infrared spectroscopy (FT-IR), and scanning electron microscopy (SEM). We also evaluated the physicochemical and biological properties of cement, such as the setting time, compressive strength, micro-hardness, simulated body fluid (SBF) immersion, cytotoxicity, and cell differentiation tests. As a result, the Mg ion improves the hydration properties of calcium silicate cement, and the setting time is reduced by increasing the amounts of Mg ion. However, the mechanical properties deteriorated with increasing Mg ion, and 1 and 3 mol% Mg-doped calcium silicate had appropriate mechanical properties. Also, the results of biological properties such as cytotoxicity, ALP activity, and ARS staining improved with Mg ion. Consequently, the optimal condition is 3 mol% of Mg ion-doped calcium silicate (3%Mg-CSC).

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Effects of Zn-Doped Mesoporous Bioactive Glass Nanoparticles in Etch-and-Rinse Adhesive on the Microtensile Bond Strength

Cited by 16 publications

References 59 publications

Effect of Remineralized Collagen on Dentin Bond Strength through Calcium Phosphate Ion Clusters or Metastable Calcium Phosphate Solution

Effect of Remineralized Collagen on Dentin Bond Strength through Calcium Phosphate Ion Clusters or Metastable Calcium Phosphate Solution

Comparative evaluation of four different remineralizing agents on dentin surface topography: an invitro study

Physicochemical and Biological Properties of Mg-Doped Calcium Silicate Endodontic Cement

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