Table 2 Photograph ratings by age group of altered incisal edge positions of the maxillary central incisors
From: Perception of smile esthetics by laypeople of different ages
Central-lateral incisor edge level (mm) | Age groups | p value | |||||
|---|---|---|---|---|---|---|---|
15–29 years old | 36–52 years old | ||||||
Mean | SD | Resulta | Mean | SD | Resulta | ||
Image 1 (0) | 6.80 | 1.88 | A | 6.69 | 1.67 | A | 0.454 NS |
Image 2 (0.5) | 6.90 | 1.57 | A | 6.96 | 1.65 | A | 0.322 NS |
Image 3 (1) | 6.98 | 1.80 | A | 6.77 | 1.63 | A | 0.192 NS |
Image 4 (1.5) | 7.04 | 1.72 | A | 6.78 | 1.54 | A | 0.132 NS |
Image 5 (2) | 6.74 | 1.85 | A | 6.79 | 1.87 | A | 0.964 NS |
Image 6 (2.5) | 6.89 | 1.92 | A | 6.83 | 1.76 | A | 0.549 NS |