Research Article
Impact of Nanoparticles Additions on the Strength of Dental Composite Resin
Table 2
Grouping and coding of different variables.
| ā | Group | Code | Description |
| No. 1 | Control | N0 | Unreinforced light cured composite resin | No. 2 | ZrO2 | Z3 | Light cured composite resin reinforced with 3 wt.% (0.78 vol%) of ZrO2 NPs | Z7 | Light cured composite resin reinforced with 7 wt.% (1.88 vol%) of ZrO2 NPs | No. 3 | TiO2 | T3 | Light cured composite resin reinforced with 3 wt.% (1.1 vol%) of TiO2 NPs | T7 | Light cured composite resin reinforced with 7 wt.% (2.58 vol%) of TiO2 NPs | No. 4 | SiO2 | S3 | Light cured composite resin reinforced with 3 wt.% (2.27 vol%) of SiO2 NPs | S7 | Light cured composite resin reinforced with 7 wt.% (5.34 vol%) of SiO2 NPs |
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