Annual Review of Selected Dental Literature: Report of the Committee on Scientific Investigation of the American Academy of Restorative Dentistry

Allen, Edward P.; Bayne, Stephen C.; Becker, Irwin M.; Donovan, Terence E.; Hume, W.R.; Kois, John C.

doi:10.1067/mpr.2000.107084

Cited by 10 publications

(10 citation statements)

References 194 publications

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“…In Vitremer the two networks are, in addition, cross linked through pendant methacrylate groups on the polyalkenoate molecules. 1,11 Advantages of these resin-modified glass-ionomer cements include a shortened setting time, decreased early moisture sensitivity, extended working time and greater strength properties compared to conventional glass-ionomer cements. In vitro studies indicate that fluoride release of resin-modified glass-ionomer and conventional glass ionomer cements are same.…”

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confidence: 99%

“…Leached residual monomer can easily diffuse through the dentinal tubules due to its hydrophilic property and low molecular weight, and reach dental pulp cells. 3,[11][12][13][14][15][16][17][18][19] A significant disadvantage of resin ionomer is the hydrophilic nature of poly-hydroxyethyl methacrylate, which results in increased water absorption and subsequent plasticity and hygroscopic expansion. 12,20,21 The purpose of this study was to evaluate the water absorption and the amount of hydroxyethyl metacrylate released from different modified glass ionomer cements.…”

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Water Absorption and HEMA Release of Resin-Modified Glass-Ionomers

Beriat

Nalbant

2009

Eur J Dent

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ObjectivesThe aim of this study was to evaluate the water absorption and the amount of hydroxyethyl metacrylate (HEMA) level released from various resin modified glass ionomer cements.MethodsAdvance, Vitremer and Protec-Cem resin modified glass ionomer cements were used to evaluate the HEMA release. Ten specimens were fabricated from each cement in 10 x 1 mm height. Thirty specimens were immersed in glass containers filled with 20 ml deionized water. 1 ml solution was taken from the container at 10 minutes, 1 hour, 24 hour and 7 days intervals from each group and analyzed with high performance liquid chromatography (HPLC) machine and the results are presented in ppm. The data were subjected to Kruskal-Wallis, Mann-Whitney and Wilcoxon tests at a 0.05 significance level.ResultsAt all time intervals Vitremer showed highest HEMA release ( 10 min: 54.2 ppm; 1 h: 86.8 ppm; 24 h: 93.4 ppm) (P=0.0001). At the end of 10 minutes and first hour, following Vitremer, HEMA release was highest for Protec-Cem (10 min: 14.8 ppm; 1 h: 23.6 ppm) and then Advance (10 min: 5.5 ppm; 1 h: 18.8 ppm) (P<.05). Water absorption tests were performed according to the specifications of ISO 4049. Water absorption was highest for Vitremer and lowest for the Protec-Cem and the difference among cement groups was significant (P<.005).ConclusionsVitremer showed the highest HEMA release and water absorption values and Protec-Cem showed the lowest values. HEMA release by time was significant for Advance cement. This release may be relevant both to the risk of adverse pulpal responses in patients and to the risk of allergy in patients and dental personnel.

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confidence: 99%

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Water Absorption and HEMA Release of Resin-Modified Glass-Ionomers

Beriat

Nalbant

2009

Eur J Dent

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“…При дневном бруксизме пациенты жалуются на нарастающие болевые ощущения в течение дня и отмечают отсутствие симптомов после пробуждения. Пациенты указывают на различной степени стирание твердых тканей зубов [3,4,5].…”

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Aspects of Diagnostic Activities in Patients With Dysfunction of Temporomandibular Joints and Signs of Bruxism

Рубникович¹,

Бородин²,

Денисова³

et al. 2018

Kuban. nauсh. med. vestnik

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Aim. The research was conducted to develop and implement the complex of diagnostic activities in patients with dysfunction of temporomandibular joints with signs of bruxism.Materials and methods. To achieve this aim we conducted a comprehensive diagnosis of 61 patients aged 20-29 years with bruxism and temporomandibular joints dysfunction (TMJD), the patients were divided into two groups. To diagnose and analyze the results of the disease treatment in patients we used a computer analysis with visualization of changes of the osteoarticular surface and parameters of the joint gap in the TMJ. Depending on the ratio of prognostic risk criteria and the development of bruxism, we distinguished the area of low, medium and high level of risk of disease progression.Results. Comparison of the treatment results of patients with bruxism from two groups in 12-24 months showed that patients from the second group had good treatment results. Patients of the second group underwent a complex of diagnostic activities and its data increased the treatment effectiveness. The results obtained from the treatment of patients from the first group indicate the lack of data from the standard examination of patients with bruxism.Conclusion. The developed complex diagnostic activities in patients with bruxism in combination with dysfunction of the TMJ and occlusive attrition of teeth allow to assess not only the local status but also to determine the functional state of dentoalveolar system and the cerebral cortex which affects the amount of therapeutic activities in the patient.

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“…luoride therapy is a commonly used method for caries prevention in children and adults, which also enhances remineralization. 1,2 Different methods of fluoride therapy include daily use of fluoride mouthwashes, application of fluoride gels and use of fluoride varnishes in the dental office. 3,4 In pediatric dentistry, fluoride therapy is often performed as the first treatment procedure in the first dental visit of patients and prior to other procedures.…”

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confidence: 99%

Effect of topical fluoride on microshear bond strength of primary enamel to composite, microhardness of enamel and its surface morphology: An in vitro study

Biria

Ghasemi²,

Sheikh-Al-Eslamian

et al. 2019

J Dent Res Dent Clin Dent Prospects

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Background. This in vitro study aimed to evaluate the microshear bond strength (μSBS), microhardness and morphological characteristics of primary enamel after treating with sodium fluoride (NaF) and acidulated phosphate fluoride (APF). Methods. Forty-eight primary canines were cut into mesial and distal sections and assigned to five groups randomly: group 1 (immersed in saliva as a control), group 2 (treated with NAF and immersed in saliva for 30 minutes), group 3 (treated with APF and immersed in saliva for 30 minutes), group 4 (treated with NAF and immersed in saliva for 10 days), and group 5 (treated with APF and immersed in saliva for 10 days). Composite resin (Filtek Z250) was bonded on the specimens (n=15) for measuring the μSBS. After storage in 37°C artificial saliva for 24 hours, µSBS and Vickers hardness tests (10 readings) were performed. The data were analyzed using one-way ANOVA and Kolmogorov-Smirnov, Levene’s and Tukey HSD tests (P<0.05). Morphological analysis of enamel and modes of failure were carried out under a scanning electron microscope (SEM) on two remaining specimens. Results. Significant differences in μSBS were only noted between groups 2 and 4 (P=0.024). Group 3 showed a significant decrease in hardness after storage in artificial saliva (P<0.001), with a significantly lower hardness than the other groups (P<0.001). The SEM observations showed irregular particles in groups 3 and 5; uniform, smooth and thin coats were seen in groups 2 and 4. Conclusion. Fluoride therapy with NaF and APF gels prior to restorative treatments had no adverse effects on the microshear bond strength.

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Annual Review of Selected Dental Literature: Report of the Committee on Scientific Investigation of the American Academy of Restorative Dentistry

Cited by 10 publications

References 194 publications

Water Absorption and HEMA Release of Resin-Modified Glass-Ionomers

Water Absorption and HEMA Release of Resin-Modified Glass-Ionomers

Aspects of Diagnostic Activities in Patients With Dysfunction of Temporomandibular Joints and Signs of Bruxism

Effect of topical fluoride on microshear bond strength of primary enamel to composite, microhardness of enamel and its surface morphology: An in vitro study

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