Table 3. Mean, standard deviation (SD), maximum (Max), minimum (Min), median (Med), confidence interval (CI) of descriptive statistics of mesial marginal discrepancies in ceramic veneers (unit: µm).
| Group | Mesial marginal discrepancy | |||||||
|---|---|---|---|---|---|---|---|---|
| Mean | SD | Max | Min | Med | 95% CI | P value | ||
| Lower | Upper | |||||||
| AM | 101.79a | 25.05 | 171.40 | 60.90 | 99.35 | 92.43 | 111.14 | P < .001 |
| SM | 81.12b | 29.43 | 150.10 | 38.70 | 71.90 | 70.13 | 92.10 | |
| TW | 88.39b | 32.96 | 167.60 | 34.30 | 89.9 | 76.08 | 100.70 | |
AM: additive manufacturing; SM: subtractive manufacturing; TW: traditional free-hand wax-up
Values in the a,b column represent statistically significant differences (P < .05).