Table 4.
Association between crown aesthetics, chewing ability, fit, and cleansability and sample characteristics
| Variable | Aesthetics |
Chewing ability |
Fit |
Cleansability |
||||
|---|---|---|---|---|---|---|---|---|
| mean ± SD | p value | mean ± SD | p value | mean ± SD | p value | mean ± SD | p value | |
| Gender | ||||||||
| Male | 4.50 ± 2.09 | 0.697 | 4.87 ± 1.85 | 0.582 | 6.00 ± 0.00 | 0.083 | 5.93 ± 0.25 | 0.681 |
| Female | 4.74 ± 1.78 | 4.54 ± 1.99 | 5.90 ± 0.30 | 5.90 ± 0.30 | ||||
| Ethnicity | ||||||||
| Malay | 4.95 ± 1.58 | 0.611 | 5.00 ± 1.66 | 0.299 | 6.00 ± 0.00 | 5.00 ± 1.66 | ||
| Chinese | 4.40 ± 2.21 | 4.15 ± 2.20 | 5.90 ± 0.30 | 0.183 | 4.15 ± 2.20 | 0.299 | ||
| Indian | 4.40 ± 1.81 | 5.20 ± 1.78 | 5.80 ± 0.44 | 5.20 ± 1.78 | ||||
| Level of education | 0.061 | 0.015 | ||||||
| Secondary school | 4.78 ± 1.88 | 4.78 ± 2.04 | 5.85 ± 0.36 | 5.92 ± 0.07 | 0.419 | |||
| Diploma | 4.27 ± 1.96 | 4.38 ± 1.88 | 5.94 ± 0.23 | 0.497 | 5.83 ± 0.38 | |||
| Degree | 5.46 ± 1.39 | 5.46 ± 1.33 | 6.00 ± 0.00 | 6.00 ± 0.00 | ||||
| Masters | 2.00 ± 1.41 | 1.00 ± 0.00 | 6.00 ± 0.00 | 6.00 ± 0.00 | ||||
| Marital status | 0.901 | |||||||
| Single | 4.70 ± 1.92 | 4.60 ± 2.01 | 0.859 | 6.00 ± 0.00 | 0.083 | 6.00 ± 0.00 | 0.043 | |
| Married | 4.62 ± 1.88 | 4.70 ± 1.91 | 5.88 ± 0.32 | 5.85 ± 0.36 | ||||
| Age of patients | 0.429 | |||||||
| <36 years | 4.87 ± 1.80 | 4.83 ± 1.90 | 0.536 | 6.00 ± 0.00 | 0.083 | 6.00 ± 0.00 | 0.043 | |
| >36 years | 4.43 ± 1.97 | 4.47 ± 1.99 | 5.86 ± 0.34 | 5.82 ± 0.38 | ||||
| Smoking | ||||||||
| Smoker | 6.00 ± 0.00 | 0.452 | 6.00 ± 0.00 | 0.474 | 6.00 ± 0.00 | 6.00 ± 0.00 | ||
| Non-smoker | 4.56 ± 1.90 | 4.56 ± 1.96 | 5.93 ± 0.25 | 0.903 | 5.90 ± 0.29 | 0.869 | ||
| Occasionally | 6.00 ± 0.00 | 6.00 ± 0.00 | 6.00 ± 0.00 | 6.00 ± 0.00 | ||||
| Alcohol intake | 0.665 | 0.488 | ||||||
| Yes | 6.00 ± 0.00 | 6.00 ± 0.00 | 6.00 ± 0.00 | 5.00 ± 0.00 | ||||
| Not regular | 3.80 ± 2.58 | 4.40 ± 2.30 | 6.00 ± 0.00 | 0.914 | 6.00 ± 0.00 | 0.007 | ||
| Former | 5.00 ± 0.00 | 2.00 ± 0.00 | 6.00 ± 0.00 | 6.00 ± 0.00 | ||||
| Never | 4.72 ± 1.82 | 4.72 ± 1.90 | 5.92 ± 0.26 | 5.92 ± 0.26 | ||||
| Tooth brushing frequency | ||||||||
| 1 time/day | 2.61 ± 1.98 | <0.001 | 2.15 ± 0.89 | 6.00 ± 0.00 | 0.083 | 5.92 ± 0.27 | 0.903 | |
| >1 time/day | 5.44 ± 1.10 | 5.61 ± 1.23 | <0.001 | 5.91 ± 0.28 | 5.91 ± 0.28 | |||
| Dental visit regularity | ||||||||
| Regular | 5.45 ± 1.36 | <0.001 | 5.25 ± 1.59 | 0.006 | 6.00 ± 0.00 | 0.083 | 5.93 ± 0.24 | 0.537 |
| Irregular | 3.12 ± 1.82 | 3.50 ± 2.06 | 5.81 ± 0.40 | 5.87 ± 0.34 | ||||
| Flossing frequency | ||||||||
| Use | 5.02 ± 1.73 | 0.005 | 5.02 ± 1.78 | 5.97 ± 0.16 | 0.216 | 5.97 ± 0.16 | 0.099 | |
| Don't use | 2.87 ± 1.55 | 2.87 ± 1.72 | 0.009 | 5.75 ± 0.46 | 5.62 ± 0.51 | |||
| Age of crown | r = −0.717 | <0.001 | r = −0.639 | <0.001 | r = 1.139 | 0.194 | r = 1.645 | 0.314 |