Evaluation of the water sorption of luting cements in different solutions

Gavranović-Glamoč, Alma; Ajanović, Muhamed; Korać, Samra; Zukić, Selma; Strujić-Porović, Sanela; Kamber-Ćesir, Alma; Kazazić, Lejla; Berhamović, Emir

doi:10.5644/ama2006-124.197

Cited by 9 publications

(4 citation statements)

References 31 publications

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“…The sensitivity of RMGI to high water uptake has been observed in older generations of both RMGI lining and cementing products [16]. The RMGI luting agent tested in this study exhibited statistically significant higher water sorption in relation to the composite cements, which agrees with most similar studies [52,53]. The addition of 1, 2.5, and 5% NPs resulted in a non-significant increased water sorption for the case of MER.…”

Section: Discussionsupporting

confidence: 86%

Zirconia Nanoparticles as Reinforcing Agents for Contemporary Dental Luting Cements: Physicochemical Properties and Shear Bond Strength to Monolithic Zirconia

Beketova

Tzanakakis

Vouvoudi

et al. 2023

IJMS

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Nanofillers in resin materials can improve their mechanical and physicochemical properties. The present work investigated the effects of zirconia nanoparticles (NPs) as fillers in commercial dental luting cements. Two dual-cured self-adhesive composites and one resin modified glass ionomer (RMGI) luting cement were employed. Film thickness (FT), flexural strength (FS), water sorption (Wsp), and shear bond strength (SBS) to monolithic zirconia were evaluated according to ISO 16506:2017 and ISO 9917-2:2017, whereas polymerization progress was evaluated with FTIR. Photopolymerization resulted in double the values of DC%. The addition of 1% wt NPs does not significantly influence polymerization, however, greater amounts do not promote crosslinking. The sorption behavior and the mechanical performance of the composites were not affected, while the film thickness increased in all luting agents, within the acceptable limits. Thermocycling (TC) resulted in a deteriorating effect on all composites. The addition of NPs significantly improved the mechanical properties of the RMGI cement only, without negatively affecting the other cements. Adhesive primer increased the initial SBS significantly, however after TC, its application was only beneficial for RMGI. The MDP containing luting cement showed higher SBS compared to the RMGI and 4-META luting agents. Future commercial adhesives containing zirconia nanoparticles could provide cements with improved mechanical properties.

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Section: Discussionsupporting

confidence: 86%

Zirconia Nanoparticles as Reinforcing Agents for Contemporary Dental Luting Cements: Physicochemical Properties and Shear Bond Strength to Monolithic Zirconia

Beketova

Tzanakakis

Vouvoudi

et al. 2023

IJMS

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“…The manual handling of glass ionomer cement is a factor capable of influencing the sorption of liquids. It can lead to porosity formation and, consequently, increase the liquid sorption in the material 12 . However, there were no differences in the glass ionomers cement in this study, showing that the calibrated operator could overcome the constraint of manual mixing.…”

Section: Discussionmentioning

confidence: 99%

Comparative study of physical-chemical properties of bioactive glass ionomer cement

Ramos,

Felizardo,

Berger

et al. 2024

Braz. Dent. J.

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This study analyzed the physical-chemical properties of bioactive ionomer materials. Cention N bioactive materials were evaluated chemically activated (CN) and light-cured (CN-LC), Equia Forte Fill (EQUI); conventional resin composite Filtek Z350 XT (Z350); resin glass ionomer cement Riva light Cure (RIVA) and flowable resin composite Filtek Bulk Fill Flow (BULK-F) were evaluated. Sixty specimens (n=10) were prepared for sorption (SR), solubility (SL), flexural strength (FS), shrinkage stress (SS), conversion degree (CD), microhardness (MI), and surface roughness (SR) tests. Non-cured and light-cured materials were assessed on FTIR. 30 human molar teeth were used in the bond strength test (BS). Data were subjected to ANOVA and post-hoc Tukey’s test (5% of significance). EQUI showed more sorption in SR and no statistical difference from RIVA and CN-LC. CN group showed more solubility and EQUI presented less (p<0.05). BULK-F showed higher FS (MPa), without differences from CN and Z350, whereas EQUI presented the lowest FS not differing from RIVA. BULK-F and CN-LC showed more shrinkage stress differing from EQUI. CN-LC and CN showed higher CD differing from the other which showed no differences (p>0.05) between them. EQUI showed the highest hardness (p<0.05) in MI. There were no differences (p>0.05) in SR (µm). Z350 and BULK-F presented higher BS, whereas CN-LC showed the lowest, although not differing from EQUI and RIVA. Equia Forte's solubility and microhardness make it a good alternative as a restorative material. Cention N degree of conversion and flexural strength making it an esthetic option to amalgam.

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“…7 They may result in degradation of the cement, causing restoration debonding, recurrent caries, pulpal inflammation, post-operative hypersensitivity and periodontal disease also may occur. [22][23][24] The use of chemocatalyzing techniques was introduced in previous studies to improve the physical and mechanical characteristics of glass ionomer cement material using calcium chloride solution and showed positive results. 14,16,17 This was explained "through the cross-linking of the carboxylate groups of polyalkenoic acids with the Al3+ and Ca2+ ions released from glass particles is the main setting reaction of GICs.…”

Section: Discussionmentioning

confidence: 99%

The Effect of Using CaCl2 Gel on Water Sorption and Solubility of Conventional Glass Ionomer (In-vitro Study)

Amer

2024

Journal of Fundamental and Clinical Research

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Background: Glass ionomer cements (GIC) offer unique properties and clinical uses, making them clinically attractive restorative materials. However, these materials still have limitations due to their lower mechanical and physical properties. Calcium chloride (CaCl2) solution has been used as a method of improving water sorption and solubility properties of GIC. A new form of CaCl2 was suggested by different authors to be more user friendly. Water sorption and solubility were measured at baseline and after the pH-cycling protocol. Aim of the study: to evaluate the effect of using CaCl2 in solution and gel forms on water sorption and solubility of the GIC at baseline and after pH cycling. Materials and Methods: Thirty disc-shaped Fuji IX GIC specimens were created and divided into three groups as follows: (n=10); group 1 (control), group 2 (CaCl2 solution), and group 3 (CaCl2 in gel form). Specimens were subjected to pH cycling twice daily with 5% acetic acid (pH=3), rinsed, dried, and kept in distilled water. This cycle was performed 14 times. Water sorption and solubility were measured at baseline and after pH-cycling. Results: The control group showed the highest mean values at baseline and after pH-cycling. Insignificant differences between both CaCl2 groups were seen. Significant increase in water sorption and solubility values was seen after pH-cycling in all groups compared to baseline. Conclusions: CaCl2 in both forms decreased water sorption and solubility of GICs. However, CaCl2 gel was more user-friendly. After pH cycling, all values of water sorption and solubility were diminished.

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Evaluation of the water sorption of luting cements in different solutions

Cited by 9 publications

References 31 publications

Zirconia Nanoparticles as Reinforcing Agents for Contemporary Dental Luting Cements: Physicochemical Properties and Shear Bond Strength to Monolithic Zirconia

Zirconia Nanoparticles as Reinforcing Agents for Contemporary Dental Luting Cements: Physicochemical Properties and Shear Bond Strength to Monolithic Zirconia

Comparative study of physical-chemical properties of bioactive glass ionomer cement

The Effect of Using CaCl2 Gel on Water Sorption and Solubility of Conventional Glass Ionomer (In-vitro Study)

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