Effect of thermal cyclic stress on acid resistance of resin-infiltrated incipient enamel lesions in vitro

Nami Takashino, Syozi Nakashima, Yasushi Shimada, Junji Tagami, Yasunori Sumi

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

This study aimed to examine the effect of thermal cycling on gap formation at the interface between infiltrated resin (ICON®) and enamel lesion and on the durability of anti-demineralization efficacy to predict the future performance. SS-OCT technique was examined to determine whether it has the potential to detect the gap. Bovine enamel lesions were prepared, and the infiltrated resin was applied to the lesion. Resin-infiltrated lesion specimens were thermal cycled 10,000 cycles and further demineralized in pH 4.5 buffer for 7 days. Released Ca (mg/cm2) was quantified by Ca electrode. The SS-OCT technique was applied to detect the gap, and SEM observation was performed to determine the presence of the gap. There was no significant difference in the amount of Ca release before and after the thermal cycling, suggesting long-lasting anti-demineralization efficacy of the resin. SS-OCT and SEM observations indicated no apparent gap formation after the thermal cycling.

Original languageEnglish
Pages (from-to)425-431
Number of pages7
JournalDental Materials Journal
Volume35
Issue number3
DOIs
Publication statusPublished - 2016
Externally publishedYes

Fingerprint

Acid resistance
Enamels
Dental Enamel
Thermal cycling
Resins
Hot Temperature
Acids
Scanning electron microscopy
Buffers
Electrodes
Durability
Observation
In Vitro Techniques

Keywords

  • Acid resistance
  • Enamel lesions
  • Resin infiltration
  • SS-OCT
  • Thermal cycle

ASJC Scopus subject areas

  • Ceramics and Composites
  • Dentistry(all)

Cite this

Effect of thermal cyclic stress on acid resistance of resin-infiltrated incipient enamel lesions in vitro. / Takashino, Nami; Nakashima, Syozi; Shimada, Yasushi; Tagami, Junji; Sumi, Yasunori.

In: Dental Materials Journal, Vol. 35, No. 3, 2016, p. 425-431.

Research output: Contribution to journalArticle

Takashino, Nami ; Nakashima, Syozi ; Shimada, Yasushi ; Tagami, Junji ; Sumi, Yasunori. / Effect of thermal cyclic stress on acid resistance of resin-infiltrated incipient enamel lesions in vitro. In: Dental Materials Journal. 2016 ; Vol. 35, No. 3. pp. 425-431.
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