論文

査読有り
2017年1月

Bonding effectiveness and multi-interfacial characterization of two direct buildup resin core systems bonded to post-space dentin

CLINICAL ORAL INVESTIGATIONS
  • Mariko Matsumoto
  • ,
  • Atsushi Mine
  • ,
  • Jiro Miura
  • ,
  • Takuya Minamino
  • ,
  • Taichi Iwashita
  • ,
  • Hayaki Nakatani
  • ,
  • Tomoki Nishida
  • ,
  • Fumio Takeshige
  • ,
  • Hirofumi Yatani

21
1
開始ページ
309
終了ページ
317
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1007/s00784-016-1792-5
出版者・発行元
SPRINGER HEIDELBERG

The aim of the present study was to evaluate the bonding effectiveness of two resin core buildup systems using conventional methods in the field of adhesive dentistry and a new non-destructive method.
Twenty-four single-rooted human teeth were built up with dual-cure one-step self-etch adhesive and composite systems (SY1: Clearfil DC bond and Clearfil DC core automix, SY2: Clearfil bond SE one and Clearfil DC core automix one). The prepared samples were sectioned into approximately 1 x 1-mm-thick beams and subjected to micro-tensile bond strength (mu TBS) testing (n = 24). The fractured beams after mu TBS testing were analyzed by SEM and energy-dispersive X-ray (EDX) spectrometry. The three teeth filled with each resin core system were sectioned and embedded in epoxy resin to observe the dentin-bonding interface under TEM (n = 6). Moreover, three of each resin core-filled teeth without any processing were examined using mu CT (n = 6).
Two-way ANOVA revealed that the two factors "root region" (p < 0.001, F = 15.22) and "system" (SY1 < SY2; p < 0.001, F = 22.52) had a significant influence. The mu TBS gradually decreased from the coronal side to the apical side of the root canal. Morphological evaluation revealed that SY2 was superior in terms of resin curing at the apical side. mu CT non-destructive evaluation clearly revealed gap formation in SY1.
SY2, which included a new light-independent catalyst, showed better bonding effectiveness and adhesive interface to dentin compared to that of SY1.
The new catalyst, which is activated by contact with adhesive and resin composite, can be used for resin core buildup restorations.

リンク情報
DOI
https://doi.org/10.1007/s00784-016-1792-5
PubMed
https://www.ncbi.nlm.nih.gov/pubmed/27003278
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000391388300034&DestApp=WOS_CPL
ID情報
  • DOI : 10.1007/s00784-016-1792-5
  • ISSN : 1432-6981
  • eISSN : 1436-3771
  • PubMed ID : 27003278
  • Web of Science ID : WOS:000391388300034

エクスポート
BibTeX RIS