Effect of Volume and Renewal of the Storage Media on the Release of Monomer from Dental Composites

Shahabi, Sima; Sayyari, Maryam; Sadrai, Sima; Valizadeh, Sara; Hajizamani, Hamidreza; Sadr, Alireza

doi:10.1155/2021/9769947

Cited by 5 publications

(7 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The US Food and Drug Administration (FDA) recommends a 75% ethanol-water solution, which is similar to the oral conditions, for the detection of residual monomers [ 34 ]. While artificial saliva barely penetrates the polymer network of the resin-based material [ 20 , 21 ], ethanol has been used by many researchers because it penetrates the polymer network of the material, widening the gaps between the polymer chains and facilitating the release of unreacted monomers over time [ 8 , 16 , 20 – 22 , 35 ]. Therefore, in this study, 75% ethanol—25% deionized water was used as the extraction medium to measure the release of the monomers.…”

Section: Discussionmentioning

confidence: 99%

“…The ethanol solution was not changed from the beginning to the end of the study in our previous study [ 26 ]. However, in this study, the solution was changed at the end of each time period based on the previous studies [ 20 – 22 , 35 ]. Shahabi et al [ 22 ] evaluated the effect of the volume (1 mL or 3 mL) and renewing of storage media (ethanol/water solution) on monomer (UDMA, BIS-GMA, TEGDMA) leachability from two dental composites using HPLC.…”

Section: Discussionmentioning

confidence: 99%

“…However, in this study, the solution was changed at the end of each time period based on the previous studies [ 20 – 22 , 35 ]. Shahabi et al [ 22 ] evaluated the effect of the volume (1 mL or 3 mL) and renewing of storage media (ethanol/water solution) on monomer (UDMA, BIS-GMA, TEGDMA) leachability from two dental composites using HPLC. They reported that saturation makes the storage media volume important factor in monomer elution and refreshing of storage media had significant effect on monomer release before the elution of 50% of total released monomer.…”

Section: Discussionmentioning

confidence: 99%

See 2 more Smart Citations

Evaluation of residual monomer release after polymerization of different restorative materials used in pediatric dentistry

2022

View full text Add to dashboard Cite

Background The choice of the restorative resin material to be used in pediatric dentistry is of a great importance due to the cytotoxic effects caused by residual monomers. In this study, it was aimed to investigate the amount of residual monomer released over time from different resin-based restorative materials, which are widely used in pediatric dentistry, by using high performance liquid chromatography with photodiode array detector (HPLC–PDA). Methods The compomers in all colors (Twinky Star and Glasiositte A2), two composites with different hybrid properties (Arabesk-GrandioSO), and RMGIC (Ionolux) samples with 2 × 5 mm diameters were prepared. The samples were polymerized with an LED light unit (CELALUX 2, VOCO, Cuxhaven, Germany) and then finishing-polishing procedures were applied. A total of 156 samples were obtained, 13 samples in each of the 12 groups. The amount of residual monomer (BIS-GMA; HEMA, TEGDMA, UDMA) (µg/mL) released into the 75% ethanol solution was determined at different times, (1st hour, 1st, 7th, 14th, and 21st day) by using HPLC–PDA. Results The residual monomer release continued on day 21 and BIS-GMA was the most released monomer in all groups. HEMA release showed a maximum increase in all the materials at day 7. The highest amount of residual monomer was detected in the gold-colored compomer. HEMA and BIS-GMA release from RMGIC was less than others in all time frames. Conclusions The color and composition of resin-based restorative materials affect the amount of residual monomer. Pediatric dentists should prefer gold-colored compomers less than others as a restorative material, especially in deep cavities. More studies are needed about the subject.

show abstract

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Evaluation of residual monomer release after polymerization of different restorative materials used in pediatric dentistry

2022

View full text Add to dashboard Cite

show abstract

“…In this context, various storage solutions are used to investigate the cytotoxicity of dental materials, such as distilled water, physiological saline, ethanol, methanol, acetone- and ethanol-added saline, artificial saliva, and cell culture medium [ 35 ]. Ethanol penetrates the polymer network of resin-based restorative materials, widens the gaps between polymer chains, and facilitates monomer release [ 18 , 36 , 37 ]. These properties have led to its being used as a storage medium in many studies evaluating residual monomer release [ 10 , 19 , 29 , 38 ].…”

Section: Discussionmentioning

confidence: 99%

Effect of topical fluoride applications on residual monomer release from resin-based restorative materials

et al. 2023

View full text Add to dashboard Cite

Background The effects of topical fluoride applications on the release of monomer ingredients from resin-based dental materials by immersion in various extraction solutions are unclear. The aim of this study was to determine the effect of topical fluorides (APF and NaF) on the elution of residual monomers (Bis-GMA, TEGDMA, UDMA, and HEMA) from resin-based materials. Methods Ninety specimens were prepared, 30 bulk-fill composite resin, 30 nanohybrid universal composite resin, and 30 polyacid-modified composite resin (compomer). These were randomly divided into three groups based on fluoride application procedures. Each specimen was kept in 75% ethanol solution, and residual monomers released from materials were analyzed using high-performance liquid chromatography (HPLC) after 10 min, 1 h, 24 h, and 30 days. The groups were compared using the Mann Whitney U and Kruskal Wallis tests. Measurements were analyzed using the Friedman and Wilcoxon signed-rank tests. Results Fluoride applications generally had no considerable effect on the amount of residual monomer released from resin-based restorative materials. The amount of monomer release after topical APF application was similar to the release in the control group and was lower than the release in the NaF group. The release of monomers from the resin-based material used in the study did not approach toxic levels at the applied time intervals. The compomer released lower amounts of monomer than other resin-based materials. Conclusions Fluoride applications do not increase monomer release from resin-based restorative materials. However, compomers should be employed by clinicians due to their lower monomer release compared to other resin restorative materials. The release of monomers from all the resin-based materials did not approach toxic levels at the applied time intervals.

show abstract

“…Temperature and environmental conditions such as pH and lubrication level are other conditions able to significantly impact the clinical performance and durability of composites [47][48][49][50].…”

Section: Discussionmentioning

confidence: 99%

Application of Tribology Concept in Dental Composites Field: A Scoping Review

Rosa

Generali

Bugea

et al. 2022

JFB

View full text Add to dashboard Cite

Tribology is the discipline concerning the application of friction, lubrication, and wear concepts of interacting surfaces in relative motion. A growing interest has developed in tribology application in medical biomaterials, such as resin composites used in restorative dentistry. Yet, the keywords “tribology” and “biotribology” are little applied in the pertinent publications. The aim of this scoping review was to offer an overview of tribology application in dental composites research and to identify knowledge gaps and address future research. A literature search was conducted on Pubmed and Scopus databases and the studies investigating the tribological behavior of resin composites were included for qualitative synthesis. The majority of studies on dental tribology were published in the research areas of mechanical engineering/nanotechnology and differed in several methodological aspects. The preponderant engineering approach and the lack of standardized testing make the laboratory findings poorly informative for clinicians. Future research should focus on the tribological behavior of dental materials composites by means of an integrated approach, i.e., engineering and clinical, for improving development and advancement in this field of research.

show abstract

Effect of Volume and Renewal of the Storage Media on the Release of Monomer from Dental Composites

Cited by 5 publications

References 16 publications

Evaluation of residual monomer release after polymerization of different restorative materials used in pediatric dentistry

Evaluation of residual monomer release after polymerization of different restorative materials used in pediatric dentistry

Effect of topical fluoride applications on residual monomer release from resin-based restorative materials

Application of Tribology Concept in Dental Composites Field: A Scoping Review

Contact Info

Product

Resources

About