Table 1. Mean, standard deviation (SD), maximum (Max), minimum (Min), median (Med), confidence interval (CI) of descriptive statistics of lingual marginal discrepancies in ceramic veneers (unit: µm).
| Group | Labial marginal discrepancy | |||||||
|---|---|---|---|---|---|---|---|---|
| Mean | SD | Max | Min | Med | 95% CI | P value | ||
| Lower | Upper | |||||||
| AM | 90.75a | 27.82 | 168.90 | 41.20 | 91.80 | 80.35 | 101.14 | P < .002 |
| SM | 86.87b | 17.09 | 137.00 | 35.20 | 58.10 | 56.12 | 75.79 | |
| TW | 90.79a | 47.61 | 200.00 | 41.20 | 74.45 | 73.01 | 108.57 | |
AM: additive manufacturing; SM; subtractive manufacturing; TW: traditional free-hand wax-up
Values in the a,b column represent statistically significant differences (P < .05).