Table 2. Mean, standard deviation (SD), maximum (Max), minimum (Min), median (Med), confidence interval (CI) of descriptive statistics of distal marginal discrepancies in ceramic veneers (unit: µm).
| Group | Distal marginal discrepancy | |||||||
|---|---|---|---|---|---|---|---|---|
| Mean | SD | Max | Min | Med | 95% CI | P value | ||
| Lower | Upper | |||||||
| AM | 86.87a | 26.34 | 117.40 | 46.20 | 86.05 | 80.49 | 93.26 | P < .001 |
| SM | 66.40b | 14.87 | 114.50 | 48.90 | 64.10 | 60.84 | 71.95 | |
| TW | 63.93b | 33.84 | 145.10 | 27.90 | 53.30 | 51.29 | 76.57 | |
AM: additive manufacturing; SM: subtractive manufacturing; TW: traditional free-hand wax-up
Values in the a,b column represent statistically significant differences (P < .05).