Correlation of Dentin Bond Durability with Water Absorption of Bonding Layer

Jiro Tanaka, Kunio Ishikawa, Hirofumi Yatani, Atsushi Yamashita, Kazuomi Suzuki

Research output: Contribution to journalArticle

70 Citations (Scopus)

Abstract

In order to understand the relationship between the durability of adhesive strength in the oral cavity and water absorption, a series of O-methacryloyl-N-acyl tyrosines (MAATY) - 2 - hydroxyethyl methacrylate (HEMA) bond system samples was prepared and their bonding strength to unetched human dentin was measured as a function of immersion period in water. Also, bulk polymerization was carried out to measure the amount of water absorption as a function of time. All specimens absorbed water suddenly when they were immersed into water. The amount of absorbed water was large when the carbon number in the acyl group was small or the number of carboxylic groups was large. The adhesive strength of the MAATY-HEMA system to unetched dentin decreased significantly when the MAATY-HEMA absorbed a larger amount of water. We concluded, therefore, that preparation of MAATY which absorbs less water may improve durability even when immersed in water.

Original languageEnglish
Pages (from-to)11-18
Number of pages8
JournalDental Materials Journal
Volume18
Issue number1
Publication statusPublished - 1999

Fingerprint

Water absorption
Dentin
Durability
Water
Tyrosine
Adhesives
Immersion
Carbon
Polymerization
Mouth
hydroxyethyl methacrylate

Keywords

  • Durability
  • Hydrogen bond
  • Water absorption

ASJC Scopus subject areas

  • Dentistry(all)
  • Biomaterials

Cite this

Tanaka, J., Ishikawa, K., Yatani, H., Yamashita, A., & Suzuki, K. (1999). Correlation of Dentin Bond Durability with Water Absorption of Bonding Layer. Dental Materials Journal, 18(1), 11-18.

Correlation of Dentin Bond Durability with Water Absorption of Bonding Layer. / Tanaka, Jiro; Ishikawa, Kunio; Yatani, Hirofumi; Yamashita, Atsushi; Suzuki, Kazuomi.

In: Dental Materials Journal, Vol. 18, No. 1, 1999, p. 11-18.

Research output: Contribution to journalArticle

Tanaka, J, Ishikawa, K, Yatani, H, Yamashita, A & Suzuki, K 1999, 'Correlation of Dentin Bond Durability with Water Absorption of Bonding Layer', Dental Materials Journal, vol. 18, no. 1, pp. 11-18.
Tanaka J, Ishikawa K, Yatani H, Yamashita A, Suzuki K. Correlation of Dentin Bond Durability with Water Absorption of Bonding Layer. Dental Materials Journal. 1999;18(1):11-18.
Tanaka, Jiro ; Ishikawa, Kunio ; Yatani, Hirofumi ; Yamashita, Atsushi ; Suzuki, Kazuomi. / Correlation of Dentin Bond Durability with Water Absorption of Bonding Layer. In: Dental Materials Journal. 1999 ; Vol. 18, No. 1. pp. 11-18.
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