Effect of Storage Temperature on the Shelf Life of Self-adhesive Resin Cements

Fusun Ozer, Hesna S azak Ovecoglu, Leila Daneshmehr, Gulden Sinmazisik, Kanupriya Kashyap, Emre Iriboz, Markus B. Blatz

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

PURPOSE: To compare the bonding performance of three new self-adhesive resin cements to human dentin after storage under two different conditions.

MATERIALS AND METHODS: Buccal, lingual, mesial, and distal dentin surfaces of 36 human molars were abraded to directly below the enamel with #600 SiC papers. The teeth were divided into two main test groups. In the first test group (FT), the cements were kept in a refrigerator (6 ± 2°C) for three months and then used for the test. The remainder of the cements was kept at a constant room temperature of 19 ± 2°C for an additional three months, and then used again for the second test group (ST). Each test group comprised 6 teeth and 24 dentin sections. The cements Clearfil SA (CSA), G-Cem (GC), and Bis-Cem (BC) were applied to the surfaces according to the manufacturers' recommendations. After application of the cements to the flat dentin surfaces and light curing, shear bond strengths were determined at a crosshead speed of 0.5 mm/min. Bond strengths were then calculated and expressed in MPa. Data were analyzed with Kruskal-Wallis and Wilcoxon Signed Rank tests. To investigate the cement/ dentin interfaces using SEM, the buccal surfaces of three additional teeth were used for each test group.

RESULTS: The bond strength values of cement groups were significantly different for the FT and ST groups (p <0.01). GC showed the highest bond strength values of all materials. There was a difference between the bond strength values of the two testing periods for all materials (p <0.01). Bond strengths significantly decreased after storage at room temperature.

CONCLUSION: Storage temperatures considerably affect the shelf life of self-adhesive resin cements.

Original languageEnglish (US)
Pages (from-to)545-550
Number of pages6
JournalThe journal of adhesive dentistry
Volume17
Issue number6
DOIs
StatePublished - Dec 1 2015
Externally publishedYes

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Resin Cements
Dentin
Temperature
Tooth
Cheek
Shear Strength
Dental Enamel
Nonparametric Statistics
Tongue
Adhesive cement
Light

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Ozer, F., Ovecoglu, H. S. A., Daneshmehr, L., Sinmazisik, G., Kashyap, K., Iriboz, E., & Blatz, M. B. (2015). Effect of Storage Temperature on the Shelf Life of Self-adhesive Resin Cements. The journal of adhesive dentistry, 17(6), 545-550. https://doi.org/10.3290/j.jad.a35252

Effect of Storage Temperature on the Shelf Life of Self-adhesive Resin Cements. / Ozer, Fusun; Ovecoglu, Hesna S azak; Daneshmehr, Leila; Sinmazisik, Gulden; Kashyap, Kanupriya; Iriboz, Emre; Blatz, Markus B.

In: The journal of adhesive dentistry, Vol. 17, No. 6, 01.12.2015, p. 545-550.

Research output: Contribution to journalArticle

Ozer, F, Ovecoglu, HSA, Daneshmehr, L, Sinmazisik, G, Kashyap, K, Iriboz, E & Blatz, MB 2015, 'Effect of Storage Temperature on the Shelf Life of Self-adhesive Resin Cements', The journal of adhesive dentistry, vol. 17, no. 6, pp. 545-550. https://doi.org/10.3290/j.jad.a35252
Ozer F, Ovecoglu HSA, Daneshmehr L, Sinmazisik G, Kashyap K, Iriboz E et al. Effect of Storage Temperature on the Shelf Life of Self-adhesive Resin Cements. The journal of adhesive dentistry. 2015 Dec 1;17(6):545-550. https://doi.org/10.3290/j.jad.a35252
Ozer, Fusun ; Ovecoglu, Hesna S azak ; Daneshmehr, Leila ; Sinmazisik, Gulden ; Kashyap, Kanupriya ; Iriboz, Emre ; Blatz, Markus B. / Effect of Storage Temperature on the Shelf Life of Self-adhesive Resin Cements. In: The journal of adhesive dentistry. 2015 ; Vol. 17, No. 6. pp. 545-550.
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AU - Ozer, Fusun

AU - Ovecoglu, Hesna S azak

AU - Daneshmehr, Leila

AU - Sinmazisik, Gulden

AU - Kashyap, Kanupriya

AU - Iriboz, Emre

AU - Blatz, Markus B.

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N2 - PURPOSE: To compare the bonding performance of three new self-adhesive resin cements to human dentin after storage under two different conditions.MATERIALS AND METHODS: Buccal, lingual, mesial, and distal dentin surfaces of 36 human molars were abraded to directly below the enamel with #600 SiC papers. The teeth were divided into two main test groups. In the first test group (FT), the cements were kept in a refrigerator (6 ± 2°C) for three months and then used for the test. The remainder of the cements was kept at a constant room temperature of 19 ± 2°C for an additional three months, and then used again for the second test group (ST). Each test group comprised 6 teeth and 24 dentin sections. The cements Clearfil SA (CSA), G-Cem (GC), and Bis-Cem (BC) were applied to the surfaces according to the manufacturers' recommendations. After application of the cements to the flat dentin surfaces and light curing, shear bond strengths were determined at a crosshead speed of 0.5 mm/min. Bond strengths were then calculated and expressed in MPa. Data were analyzed with Kruskal-Wallis and Wilcoxon Signed Rank tests. To investigate the cement/ dentin interfaces using SEM, the buccal surfaces of three additional teeth were used for each test group.RESULTS: The bond strength values of cement groups were significantly different for the FT and ST groups (p <0.01). GC showed the highest bond strength values of all materials. There was a difference between the bond strength values of the two testing periods for all materials (p <0.01). Bond strengths significantly decreased after storage at room temperature.CONCLUSION: Storage temperatures considerably affect the shelf life of self-adhesive resin cements.

AB - PURPOSE: To compare the bonding performance of three new self-adhesive resin cements to human dentin after storage under two different conditions.MATERIALS AND METHODS: Buccal, lingual, mesial, and distal dentin surfaces of 36 human molars were abraded to directly below the enamel with #600 SiC papers. The teeth were divided into two main test groups. In the first test group (FT), the cements were kept in a refrigerator (6 ± 2°C) for three months and then used for the test. The remainder of the cements was kept at a constant room temperature of 19 ± 2°C for an additional three months, and then used again for the second test group (ST). Each test group comprised 6 teeth and 24 dentin sections. The cements Clearfil SA (CSA), G-Cem (GC), and Bis-Cem (BC) were applied to the surfaces according to the manufacturers' recommendations. After application of the cements to the flat dentin surfaces and light curing, shear bond strengths were determined at a crosshead speed of 0.5 mm/min. Bond strengths were then calculated and expressed in MPa. Data were analyzed with Kruskal-Wallis and Wilcoxon Signed Rank tests. To investigate the cement/ dentin interfaces using SEM, the buccal surfaces of three additional teeth were used for each test group.RESULTS: The bond strength values of cement groups were significantly different for the FT and ST groups (p <0.01). GC showed the highest bond strength values of all materials. There was a difference between the bond strength values of the two testing periods for all materials (p <0.01). Bond strengths significantly decreased after storage at room temperature.CONCLUSION: Storage temperatures considerably affect the shelf life of self-adhesive resin cements.

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