Effect of resin hydrophilicity and temperature on water sorption of dental adhesive resins

Cynthia K.Y. Yiu, Nigel M. King, Marcela R.O. Carrilho, Salvatore Sauro, Frederick Rueggeberg, Carlo Prati, Ricardo M. Carvalho, David Henry Pashley, Franklin Chi Meng Tay

Research output: Contribution to journalArticle

97 Citations (Scopus)

Abstract

This study examined the effects of copolymer hydrophilicity and temperature on water sorption and solubility characteristics of five copolymer blends of increasing degree of hydrophilicity using gravimetric measurements. Six resin disks (15 mm in diameter×1 mm in thickness) were prepared from each copolymer blend and were stored in deionised water at 23, 37 and 55°C. Water sorption and solubility of the resin disks were measured before and after water immersion and desiccation. Multiple regression analysis of water sorption was performed on two independent variables, copolymer hydrophilicity and temperature. Maximum water sorption increased significantly with Hoy's total cohesive energy density (δt), Hoy's solubility parameter for polar forces (δp) and hydrogen bonding (δh), but was not influenced by temperature. However, a significant positive relationship was observed between diffusion coefficients (obtained using Fick's law of diffusion) and temperature. The water absorption activation energy was 10 kJ/mol for the most hydrophilic copolymer blend R5 and 35-51 kJ/mol for copolymer blends R1-R4. The positive relationship between maximum water uptake and copolymer hydrophilicity suggests that water molecules diffuse through the polymer matrices by binding successively to the polar sites via hydrogen bonding. Such water sorption may determine the durability of resin-dentine bonds.

Original languageEnglish (US)
Pages (from-to)1695-1703
Number of pages9
JournalBiomaterials
Volume27
Issue number9
DOIs
StatePublished - Mar 1 2006

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Synthetic Resins
Dental Cements
Hydrophilicity
Hydrophobic and Hydrophilic Interactions
Sorption
Adhesives
Resins
Copolymers
Temperature
Water
Solubility
Hydrogen Bonding
Hydrogen bonds
Fick's laws
Deionized water
Water absorption
Desiccation
Polymer matrix
Regression analysis
Immersion

Keywords

  • Hydrophilicity
  • Resin
  • Solubility parameter
  • Temperature
  • Water sorption

ASJC Scopus subject areas

  • Bioengineering
  • Ceramics and Composites
  • Biophysics
  • Biomaterials
  • Mechanics of Materials

Cite this

Effect of resin hydrophilicity and temperature on water sorption of dental adhesive resins. / Yiu, Cynthia K.Y.; King, Nigel M.; Carrilho, Marcela R.O.; Sauro, Salvatore; Rueggeberg, Frederick; Prati, Carlo; Carvalho, Ricardo M.; Pashley, David Henry; Tay, Franklin Chi Meng.

In: Biomaterials, Vol. 27, No. 9, 01.03.2006, p. 1695-1703.

Research output: Contribution to journalArticle

Yiu, CKY, King, NM, Carrilho, MRO, Sauro, S, Rueggeberg, F, Prati, C, Carvalho, RM, Pashley, DH & Tay, FCM 2006, 'Effect of resin hydrophilicity and temperature on water sorption of dental adhesive resins', Biomaterials, vol. 27, no. 9, pp. 1695-1703. https://doi.org/10.1016/j.biomaterials.2005.09.037
Yiu, Cynthia K.Y. ; King, Nigel M. ; Carrilho, Marcela R.O. ; Sauro, Salvatore ; Rueggeberg, Frederick ; Prati, Carlo ; Carvalho, Ricardo M. ; Pashley, David Henry ; Tay, Franklin Chi Meng. / Effect of resin hydrophilicity and temperature on water sorption of dental adhesive resins. In: Biomaterials. 2006 ; Vol. 27, No. 9. pp. 1695-1703.
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