An in Vitro Evaluation of the Solubility, Water Sorption, Hygroscope Expansion and Hardness of Resin and Glass-Ionomer Cements

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HEKMAT AZAM; MOUSAVINASAB SEYED MOSTAFA; MIRZAKOCHAKI PARVIN

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Journal: Journal of Isfahan Dental School Year:2020 | Volume:16 | Issue:2 Page(s): 162-174

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Title

An in Vitro Evaluation of the Solubility, Water Sorption, Hygroscope Expansion and Hardness of Resin and Glass-Ionomer Cements

Author(s)

HEKMAT AZAM | MOUSAVINASAB SEYED MOSTAFA | MIRZAKOCHAKI PARVIN | Issue Writer Certificate

Keywords

ExpansionQ2

Glass-ionomer cementQ2

HardnessQ2

Resin cementQ2

SolubilityQ1

Water sorptionQ2

Abstract

Introduction: The long-term success of indirect restorations depends on the clinical behavior of luting cements. In the oral environment, properties such as Water sorption and Solubility negatively affect the cements’ clinical performance over time, jeopardizing the restoration’ s longevity. This study aimed to compare a self-adhesive resin luting cement with conventional resin-based and glass-ionomer luting materials in terms of Water sorption (WS), Solubility (WSB), hygroscopic Expansion (HE), and Hardness (H). Materials & Methods: In this experimental study, 15 discs (6×2 mm) were prepared for each group from a self-adhesive luting cement (Bifix SE), a conventional dual-cured Resin cement (Bifix Q), a glass-ionomer luting cement (Meron), and a resin-modified glass-ionomer (Meron Plus) using a silicone mold. The specimens were placed on an oversaturated sodium sulfate solution in a sealed chamber. Water sorption was evaluated after three weeks. Water Solubility was calculated using the formula WSB = (M1-M3/V). Hygroscopic Expansion was calculated using the formula He = v1-v2 in which the volume values were determined by pycnometry; Then, Vickers Hardness test determined the Hardness of the material before and after Water sorption. The data were analyzed with ANOVA and Tukey HSD tests using SPSS 22 (α = 0. 05). Results: Water sorption was significantly different between the four materials at different time intervals (p value < 0. 001). Water Solubility and hygroscopic Expansion were significantly different between the four groups (p value < 0. 001). Changes in Hardness were not significantly different between the groups (p value = 0. 099). Conclusion: Both Glass-ionomer cements were more prone to WS and WSB than Resin cements. Bifix SE exhibited no water Solubility; however, it was the most susceptible to hygroscopic Expansion. Bifix QM exhibited the best behavior in terms of Water sorption, Solubility, and Expansion due to Water sorption. There was no statistically significant difference in Hardness between all the materials before and after Water sorption.

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APA: Copy

HEKMAT, AZAM, MOUSAVINASAB, SEYED MOSTAFA, & MIRZAKOCHAKI, PARVIN. (2020). An in Vitro Evaluation of the Solubility, Water Sorption, Hygroscope Expansion and Hardness of Resin and Glass-Ionomer Cements. JOURNAL OF ISFAHAN DENTAL SCHOOL, 16(2 ), 162-174. SID. https://sid.ir/paper/384722/en

Vancouver: Copy

HEKMAT AZAM, MOUSAVINASAB SEYED MOSTAFA, MIRZAKOCHAKI PARVIN. An in Vitro Evaluation of the Solubility, Water Sorption, Hygroscope Expansion and Hardness of Resin and Glass-Ionomer Cements. JOURNAL OF ISFAHAN DENTAL SCHOOL[Internet]. 2020;16(2 ):162-174. Available from: https://sid.ir/paper/384722/en

IEEE: Copy

AZAM HEKMAT, SEYED MOSTAFA MOUSAVINASAB, and PARVIN MIRZAKOCHAKI, “An in Vitro Evaluation of the Solubility, Water Sorption, Hygroscope Expansion and Hardness of Resin and Glass-Ionomer Cements,” JOURNAL OF ISFAHAN DENTAL SCHOOL, vol. 16, no. 2 , pp. 162–174, 2020, [Online]. Available: https://sid.ir/paper/384722/en

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