Table 3.
Pearson and point-biserial correlations with noted constructs for the assessment of convergent validity and clinical parameters
| Variables | SASS 11.5 ± 3.0 (5–15) | |
|---|---|---|
| Hiding teeth when smiling (0 = no; 1 = yes) | r | −0.403 |
| 0 = 89.3%; 1 = 10.7% | P | <0.001 |
| Self-perceived poor restorations (0 = no; 1 = yes) | r | −0.391 |
| 0 = 90.9%; 1 = 9.1% | P | <0.001 |
| Self-perceived tooth fractures (0 = no; 1 = yes) | r | −0.208 |
| 0 = 85.1%; 1 = 14.9% | P | <0.001 |
| Self-perceived tooth misalignment (0 = no; 1 = yes) | r | −0.374 |
| 0 = 75.4%; 1 = 24.6% | P | <0.001 |
| Desire for better dental aesthetics (0 = no; 1 = yes) | r | −0.353 |
| 0 = 37.6%; 1 = 62.4% | P | <0.001 |
| Desire for tooth whitening (0 = no; 1 = yes) | r | −0.298 |
| 0 = 36.8%; 1 = 63.2% | P | <0.001 |
| Desire for orthodontic therapy (0 = no; 1 = yes) | r | −0.268 |
| 0 = 44.3%; 1 = 55.7% | P | <0.001 |
| Desire for prosthetic rehabilitation (0 = no; 1 = yes) | r | −0.347 |
| 0 = 44.1%; 1 = 55.9% | P | <0.001 |
| OIDP | r | 0.023 |
| 4.3 ± 6.3 (0–35)* | P | 0.599 |
| Social impact of dental aesthetics | r | 0.026 |
| 10.2 ± 5.5 (0–30)* | P | 0.508 |
| Psychological impact of dental aesthetics | r | 0.027 |
| 9.6 ± 4.6 (0–23)* | P | 0.488 |
| Aesthetic concerns | r | 0.043 |
| 4.0 ± 2.2 (0–12)* | P | 0.268 |
| Dental self-confidence | r | 0.007 |
| 13.1 ± 7.3 (0–24)* | P | 0.852 |
| Gum display on tooth 11 when smiling (mm) | r | 0.012 |
| 0.77 ± 1.06 (0–7)* | P | 0.374 |
| Tooth shape 11 (width to height ratio) | r | 0.013 |
| 0.90 ± 0.13 (0.5–1.6)* | P | 0.365 |
| Visibility of tooth 11 crown when smiling (visible to total crown height ratio) | r | 0.086 |
| 0.78 ± 0.21 (0–1)* | P | 0.013 |
| Lightness (L) | r | 0.220 |
| 70.74 ± 3.13 (63.5–75.7)* | P | <0.001 |
| Chroma | r | −0.229 |
| 19.35 ± 3.24 (16.1–27.3)* | P | <0.001 |
| Crowding (0 = no; 1 = yes) | r | −0.151 |
| 0 = 62.9%; 1 = 37.1% | P | <0.001 |
| Harmonious colours of anterior teeth | r | −0.066 |
| 0 = 21.3%; 1 = 78.7% | P | 0.087 |
| Intact teeth with no restorations (0 = restoration present on at least one anterior tooth; 1 = intact tooth) | r | 0.175 |
| 0 = 67.8%; 1 = 32.2% | P | <0.001 |
| Fracture(0 = absent; 1 = visible on at least one anterior tooth) | r | −0.190 |
| 0 = 75.7%; 1 = 24.3% | P | <0.001 |
| Visible plaque (0 = absent; 1 = visible on at least one anterior tooth) | r | −0.090 |
| 0 = 8.9%; 1 = 91.1% | P | 0.020 |
| Self-reported gingivitis (0 = never, rarely; 1 = often, always) | r | −0.187 |
| 0 = 87.5%; 1 = 12.5% | P | <0.001 |
OIDP, Oral Impacts on Daily Performance; SASS, Smile Aesthetics Satisfaction Scale.
*
Mean ± standard deviation (minimum–maximum).