Research Article
Role of CO2 Laser on SBS between Dental Porcelain and Composite Resin Repair Process
Table 1
Description of element concentration after each etching method and comparison with the control group.
| | Element | No treatment | HF (control) | CO2 | CO2 + HF | | Atomic (%) | Weight (%) | Atomic (%) | Weight (%) | Atomic (%) | Weight (%) | Atomic (%) | Weight |
| | C | 22.2 | 13.3 | 24.2a | 14.2a | 21.5b | 12.9b | 48.8a | 29.0a | | O | 40.0 | 31.9 | 37.0b | 28.9b | 40.7 | 32.4 | 17.5b | 13.8b | | Na | 2.7 | 3.1 | 4.7a | 0.1a | 2.7 | 3.0 | 0.4b | 0.5b | | Al | 5.5 | 7.4 | 5.0b | 6.5b | 5.6 | 7.5 | 1.4b | 1.9b | | Si | 24.5 | 34.2 | 23.6b | 32.4b | 24.2 | 33.8 | 23.6b | 32.8b | | K | 5.0 | 9.8 | 3.4b | 6.5b | 5.4 | 10.4 | 0.6b | 1.2b | | Bi | 0.0 | 0.3 | – | – | – | – | – | | | Ca | – | – | 1.8a | 2.6a | – | – | 0.3b | 0.6b | | Ba | – | – | 0.4a | 2.6a | – | – | – | – | | F | -- | – | – | – | – | – | 2.6a | 2.5a | | Fe | – | – | – | – | – | -- | 2.1a | 5.9a | | Zr | – | – | – | – | – | – | 2.6a | 11.9a |
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aIndicate increased element percentage and bindicate decreased element percentage than untreated surface.
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