Research Article
Perceptions of Altered Smile Esthetics: A Comparative Evaluation in Orthodontists, Dentists, and Laypersons
Table 5
Intragroup comparison of esthetic scores by LSD method.
| Smile variables | Group comparison | value |
| Smile arc | Orthodontist dentist | 0.000 | Dentist layperson | 0.089 | Orthodontist layperson | 0.003 |
| Buccal corridor | Orthodontist dentist | 0.000 | Dentist layperson | 0.272 | Orthodontist layperson | 0.000 |
| Gummy smile (1st choice) | Orthodontist dentist | 0.793 | Dentist layperson | 0.025 | Orthodontist layperson | 0.018 |
| Gummy smile (2nd choice) | Orthodontist dentist | 0.698 | Dentist layperson | 0.017* | Orthodontist layperson | 0.068 |
| Midline diastema (1st choice) | Orthodontist dentist | 0.026 | Dentist layperson | 0.219 | Orthodontist layperson | 0.212 |
| Midline diastema (2nd choice) | Orthodontist dentist | 0.008 | Dentist layperson | 0.713 | Orthodontist layperson | 0.013 |
| Crown length (1st choice) | Orthodontist dentist | 0.478 | Dentist layperson | 0.138 | Orthodontist layperson | 0.017 |
| Crown length (2nd choice) | Orthodontist dentist | 0.053 | Dentist layperson | 0.165 | Orthodontist layperson | 0.001 |
| Crown width (1st choice) | Orthodontist dentist | 0.460 | Dentist layperson | 0.037 | Orthodontist layperson | 0.111 |
| Crown width (2nd choice) | Orthodontist dentist | 0.880 | Dentist layperson | 0.126 | Orthodontist layperson | 0.205 |
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