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全冠预备体各部位终止线的RMS值比较(n=6)
Comparison of RMS values for different parts of finish lines(n=6)
| Site | Scanner type | t | P | |
| CEREC Omnicam oral scanner | 3Shape TRIOS oral scanner | |||
| RMS, root mean square. | ||||
| Mesial/μm | 45±9 | 45±8 | -0.36 | 0.74 |
| Distal/μm | 63±7 | 50±10 | 3.63 | 0.02 |
| Buccal/μm | 38±3 | 33±8 | 1.14 | 0.34 |
| Lingual/μm | 40±3 | 33±6 | 2.11 | 0.10 |
| F | 17.57 | 5.83 | ||
| P | < 0.001 | 0.010 | ||
