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Home The effect of heat on the mechanical properties of glass ionomer cements

The effect of heat on the mechanical properties of glass ionomer cements

Authors:

  • B. Kuter
    Ege University, Faculty of Dentistry, Department of Pediatric Dentistry, IZMIR, TURKEY
  • E. Eden
    Ege University, Faculty of Dentistry, Department of Pediatric Dentistry, IZMIR, TURKEY
  • H. Yildiz
    Ege University, Engineering Faculty, Department of Mechanical Engineering, IZMIR / TURKEY

ABSTRACT


Aim

The objective of this study was to assess the effect of heat application on the mechanical properties of glass
ionomer cements.

Methods

Study design: experimental design. The effect of heat on glass ionomer cements during their
setting was evaluated by measuring compressive strength, flexural strength and microhardness. Moroever, temperature
changes from one surface of the glass ionomer cement specimens 2, 4, and 6 mm thick to the other surface were measured. A
condensable glass ionomer cement (Fuji IX) and a ceramic-reinforced glass ionomer cement (Amalgomer CR) were used as
test materials. Heat was applied with soldering iron for 2 minutes at 802oC. All mechanical tests were carried out 24 hours
after the setting of glass ionomer cements.

Results

No significant differences in compressive strength were found between the control groups and the heated groups.
There were no statistically significant differences in the flexural strength value for both groups of Fuji IX. On the contrary,
when heat was applied to Amalgomer, its mean flexural strength reached a value that was higher than that of Amalgomer
control. Significant differences in microhardness were found between the control groups and the heated groups and
between Fuji IX and Amalgomer CR. Temperature rising in both glass ionomer cements was also noted. Statistics: two-way
ANOVA was used where appropriate and independent samples t-test was used in case of interaction.

Conclusion

It is established that heat application improved the surface mechanical properties of conventional glass
ionomer cements.

PLUMX METRICS

Publication date:

Jun /2013

Keywords:

command set, glass ionomer cement, heat, mechanical strength

Issue:

Vol.14 – n.2/2013

Page:

90 – 94

Publisher:

Ariesdue

Cite:


Harvard: B. Kuter, E. Eden, H. Yildiz (2013) "The effect of heat on the mechanical properties of glass ionomer cements", European Journal of Paediatric Dentistry, 14(2), pp90-94. doi:
Vancouver: B. Kuter, E. Eden, H. Yildiz. The effect of heat on the mechanical properties of glass ionomer cements. European Journal of Paediatric Dentistry [Internet]. 2013Jun.1 [cited 2023Jan.27];14(2):90-94. Available from: https://www.ejpd.eu/abstract-pubmed/the-effect-of-heat-on-the-mechanical-properties-of-glass-ionomer-cements/
MLA: B. Kuter, E. Eden, H. Yildiz The effect of heat on the mechanical properties of glass ionomer cements. European Journal of Paediatric Dentistry. 2013;14(2):90-94

Copyright (c) 2021 Ariesdue

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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    European Journal of Paediatric Dentistry © | ISSN (Online): 2035-648X
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