Research Article
Effects of 16% Carbamide Peroxide Bleaching on the Surface Properties of Glazed Glassy Matrix Ceramics
Table 2
The two-way analysis of variance for microhardness testing.
| Source | Type III sum of squares | df | Mean square | F | |
| Ceramic | 1564,518 | 1 | 1564,518 | 4,136 | 0,053 | Surface treatment | 727,260 | 1 | 727,260 | 1,922 | 0,178 | Ceramic surface treatment | 4,560 | 1 | 4,560 | 0,012 | 0,913 |
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