Behr, Michael and Rosentritt, Martin and Bettermann, Klaus and Handel, Gerhard (2005) Influence of electron beam irradiation on the alloy-to-resin bond strength. EUROPEAN JOURNAL OF ORAL SCIENCES, 113 (5). pp. 429-435. ISSN 0909-8836,
Full text not available from this repository. (Request a copy)Abstract
The aim of this study was to investigate whether postcuring using electron beam irradiation had an effect on the bond strength of resin-to-base-metal after priming their surfaces using silicoating methods or functional monomers. Composite cylinders were bonded on a restricted area of 5 mm(2) to flat rectangular titanium and cobalt-chromium specimens. Under investigation were the silicoating system Rocatec, the thiol-phosphate system Metal Primer II and the phosphate ester SR Link. Tensile strength and shear bond strength were determined for the three test groups in each case: (i) after 24 h, (ii) after electron beam irradiation (100 kGy), and (iii) after irradiation (100 kGy) + 12,000 cycles of thermal cycling (5 degrees/55 degrees C). The bond strength was highly affected by irradiation and the metal priming method used. However, the tribochemical silicoating method and phosphate-ester group showed no significant statistical change in bond strength. Only the thiol-phosphate system showed considerably higher tensile and shear bond strengths after irradiation. Thermal cycling did not deteriorate this bond and there was a tendency for higher bond strength on titanium. As a result it was determined that thiol-phosphate primers in combination with postcuring using electron beam irradiation can considerably improve the bond strength between resins and titanium or cobalt-chromium alloys.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | TBB OPAQUE RESIN; COMPOSITE RESIN; TITANIUM; METAL; RADIATION; PHOSPHATE; PRIMERS; titanium; cobalt-chromium; electron beam irradiation; bond strength; resins |
| Subjects: | 600 Technology > 610 Medical sciences Medicine |
| Divisions: | Medicine > Lehrstuhl für Kieferorthopädie |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 26 Apr 2021 08:06 |
| Last Modified: | 26 Apr 2021 08:06 |
| URI: | https://pred.uni-regensburg.de/id/eprint/35559 |
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