Table 2. Effects of changes in the horizontal plane angle during frontal photography on the mesiodistal width ratios of the maxillary anterior teeth.
| Angle | Central incisor Mean ± SD |
Lateral incisor | Canine Mean ± SD |
|---|---|---|---|
| 0° | 1.444 ± 0.050 | 1 | 0.775 ± 0.043 |
| 1° | 1.444 ± 0.050 | 1 | 0.775 ± 0.044 |
| 2° | 1.444 ± 0.050 | 1 | 0.775 ± 0.044 |
| 3° | 1.445 ± 0.050 | 1 | 0.774 ± 0.044 |
| 4° | 1.446 ± 0.050 | 1 | 0.773 ± 0.045 |
| 5° | 1.448 ± 0.050 | 1 | 0.773 ± 0.045 |
| 6° | 1.446 ± 0.049 | 1 | 0.771 ± 0.045 |
| 7° | 1.451 ± 0.049 | 1 | 0.765 ± 0.045 |
| 8° | 1.444 ± 0.049 | 1 | 0.777 ± 0.046 |
| 9° | 1.432 ± 0.048 | 1 | 0.789 ± 0.047 |
| 10° | 1.434 ± 0.048 | 1 | 0.795 ± 0.048 |
SD: standard deviation.