Papers

2008

Effects of resin hydrophilicity on dentin bonds

Adhes. Dent.
  • NISHITANI Yoshihiro
  • ,
  • TAKAHASHI Kei
  • ,
  • HAYASHI Yukinori
  • ,
  • HOSHIKA Tomohiro
  • ,
  • HORIKAWA Gen
  • ,
  • NAKATA Takashi
  • ,
  • TANAKA Kumiko
  • ,
  • SANO Hidehiko
  • ,
  • YOSHIYAMA Masahiro

Volume
26
Number
2
First page
92
Last page
98
Language
Japanese
Publishing type
DOI
10.11297/adhesdent1983.26.92
Publisher
Japan Society for Adhesive Dentistry

The purpose of this study was to determine the effects of resin hydrophilicity on dentin bonds. The study examined the microtensile bond strength of six experimental self-etching primers and two experimental bonds (50wt% ethanol/50wt% comonomers) of various degrees of hydrophilicity, that is various degrees of HEMA, to intact dentin. Following composite buildup, hourglass-shaped slabs were prepared from the bonded teeth for microtensile testing after24hours or6months. Higher bond strengths were achieved with increased resin hydrophilicity after 24hours, while the lowest bond strengths were achieved with increased resin hydrophilicity after6months. Measurements of water sorption/solubility of the polymers that were previously described showed high correlations between water sorption and the degree of HEMA, and between polymer solubility and the degree of HEMA.<BR>These results indicated that higher resin hydrophilicity was effective for short-term microtensile strength, while increased resin hydrophilicity may cause lower bond strength due to the weakness of polymers that have absorbed water after 6 months.

Link information
DOI
https://doi.org/10.11297/adhesdent1983.26.92
CiNii Articles
http://ci.nii.ac.jp/naid/130003845733
URL
https://jlc.jst.go.jp/DN/JALC/00326057535?from=CiNii
ID information
  • DOI : 10.11297/adhesdent1983.26.92
  • ISSN : 0913-1655
  • CiNii Articles ID : 130003845733

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