Effect of temperature on water sorption and solubility of dental adhesive resins

P. Dhanpal, C. K Y Yiu, N. M. King, Franklin Chi Meng Tay, N. Hiraishi

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Objective: This study examined the effect of temperature on water sorption and solubility characteristics of four commercial dental adhesives. The null hypothesis tested was that temperature has no effect on the water sorption and solubility characteristics of these adhesives. Methods: The tested materials were: three-step etch-and-rinse (All-Bond 2, AB), two-step etch-and-rinse (One-Step, OS), two-step self-etch (Clearfil SE Bond, SE) and one-step self-etch (Clearfil S3 Bond, S3) adhesives. Seven resin disks (6 mm in diameter × 1 mm in thickness) were prepared from each tested material and were stored in deionized water at 23 °C, 37 °C and 55 °C. Water sorption and solubility of the resin disks were measured before and after water immersion and desiccation following two consecutive sorption and desorption cycles. The water sorption and solubility values obtained were analyzed using two-way ANOVA and Tukey's multiple comparison tests. The relationships between maximum water sorption, solubility and kinetics of water diffusion with temperature were evaluated by means of Pearson correlation statistic. Results: OS exhibited the highest water sorption and solubility values in the second sorption-desorption cycle at 55 °C (p < 0.001). This is followed by S3, SE and AB with no significant difference between SE and AB. Significant positive correlations were observed between maximum water sorption (r = 0.307, p < 0.01), solubility (r = 0.244, p < 0.05), water sorption (r = 0.651, p < 0.001) and desorption (r = 0.733, p < 0.001) diffusion coefficients (obtained using Fick's law of diffusion) with temperature in the second cycle. Significance: High temperatures increased water sorption of simplified adhesives. Such water sorption may contribute to the failure of resin-dentin bonds.

Original languageEnglish (US)
Pages (from-to)122-132
Number of pages11
JournalJournal of Dentistry
Volume37
Issue number2
DOIs
StatePublished - Feb 1 2009

Fingerprint

Synthetic Resins
Dental Cements
Solubility
Temperature
Water
Adhesives
Desiccation
Immersion
Dentin

Keywords

  • Dental adhesives
  • Resin
  • Solubility
  • Temperature
  • Water sorption

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Effect of temperature on water sorption and solubility of dental adhesive resins. / Dhanpal, P.; Yiu, C. K Y; King, N. M.; Tay, Franklin Chi Meng; Hiraishi, N.

In: Journal of Dentistry, Vol. 37, No. 2, 01.02.2009, p. 122-132.

Research output: Contribution to journalArticle

Dhanpal, P. ; Yiu, C. K Y ; King, N. M. ; Tay, Franklin Chi Meng ; Hiraishi, N. / Effect of temperature on water sorption and solubility of dental adhesive resins. In: Journal of Dentistry. 2009 ; Vol. 37, No. 2. pp. 122-132.
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AB - Objective: This study examined the effect of temperature on water sorption and solubility characteristics of four commercial dental adhesives. The null hypothesis tested was that temperature has no effect on the water sorption and solubility characteristics of these adhesives. Methods: The tested materials were: three-step etch-and-rinse (All-Bond 2, AB), two-step etch-and-rinse (One-Step, OS), two-step self-etch (Clearfil SE Bond, SE) and one-step self-etch (Clearfil S3 Bond, S3) adhesives. Seven resin disks (6 mm in diameter × 1 mm in thickness) were prepared from each tested material and were stored in deionized water at 23 °C, 37 °C and 55 °C. Water sorption and solubility of the resin disks were measured before and after water immersion and desiccation following two consecutive sorption and desorption cycles. The water sorption and solubility values obtained were analyzed using two-way ANOVA and Tukey's multiple comparison tests. The relationships between maximum water sorption, solubility and kinetics of water diffusion with temperature were evaluated by means of Pearson correlation statistic. Results: OS exhibited the highest water sorption and solubility values in the second sorption-desorption cycle at 55 °C (p < 0.001). This is followed by S3, SE and AB with no significant difference between SE and AB. Significant positive correlations were observed between maximum water sorption (r = 0.307, p < 0.01), solubility (r = 0.244, p < 0.05), water sorption (r = 0.651, p < 0.001) and desorption (r = 0.733, p < 0.001) diffusion coefficients (obtained using Fick's law of diffusion) with temperature in the second cycle. Significance: High temperatures increased water sorption of simplified adhesives. Such water sorption may contribute to the failure of resin-dentin bonds.

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KW - Resin

KW - Solubility

KW - Temperature

KW - Water sorption

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