Adhesion between Epoxy Resin-Based Fiber Post and Dental Core Resin Improved by Non-Thermal Atmospheric Pressure Plasma

The purpose of the study was to evaluate the adhesion between dental core resin and epoxy resin-based fiber post after treatment with non-thermal atmospheric pressure plasma (NTAPP) and compare with conventional methods of epoxy resin-based fiber post treatments. Contact angle was measured on the su...

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Bibliographic Details
Published in:Applied sciences 2020-04, Vol.10 (7), p.2535
Main Authors: Kim, Hyoung-Sik, Yang, Song-Yi, Choi, Eun Ha, Kim, Kwang-Mahn, Kwon, Jae-Sung
Format: Article
Language:English
Subjects:
Adhesion
Adhesion tests
Aging
Atmospheric pressure
Bisphenol A
Bond strength
Composite materials
Contact angle
dental core resin
Dental materials
Epoxy resins
Experiments
Factories
fiber post
Gases
Heat treatment
Humidity
Hydrofluoric acid
Hypotheses
New technology
non-thermal atmospheric pressure plasma
Photoelectron spectroscopy
Photoelectrons
Plasma
push-out shear bond strength
Shear
shear bond strength
Studies
Surface chemistry
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Summary:The purpose of the study was to evaluate the adhesion between dental core resin and epoxy resin-based fiber post after treatment with non-thermal atmospheric pressure plasma (NTAPP) and compare with conventional methods of epoxy resin-based fiber post treatments. Contact angle was measured on the surface of epoxy resin before and after NTAPP treatment and X-ray photoelectron spectroscopy was used to analyze the surface chemistry. Finally, two shear bond strength tests were carried out; shear bond strength between core resin and epoxy resin for comparison between NTAPP treated and untreated sample, and push-out shear bond strength between core resin and NTAPP treated commercially available epoxy resin-based fiber post for comparison between NTAPP treated samples with conventionally treated samples. Contact angle on the surface of epoxy resin generally decreased with increasing NTAPP treatment time with presence of surface chemical changes. Also, there was significantly higher shear bond strength and push-out shear bond strength between epoxy resin and core resin for NTAPP treated epoxy resin, even to the conventionally treated epoxy resin-based fiber post with hydrofluoric acid or silane. In conclusion, new technology of NTAPP has potential for application on the epoxy resin-based fiber post to improve endodontic restoration success rate.
ISSN:2076-3417
2076-3417
DOI:10.3390/app10072535