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美观状况对比
Comparison of aesthetic effect between the two groups (n=43, score, Mean±SD)
| Group | Root protrusion and gingival color | Far and middle gingival papilla | Lip side gingival height | Near and middle gingival papilla | Lip side gingival curve |
| Control | 1.7±0.2 | 1.5±0.1 | 1.4±0.1 | 1.4±0.2 | 1.6±0.2 |
| Study | 2.1±0.1 | 1.8±0.2 | 1.8±0.1 | 1.7±0.1 | 2.0±0.1 |
| t | 11.677 | 11.600 | 11.673 | 11.600 | 12.423 |
| P | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 |
