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Oral hygiene habits of smokers and non-smokers.
| Oral hygiene habits | Smokers [no (%)] | Non smokers [no (%)] |
|---|---|---|
| Don't brush | 42(8%) | 29 (3%) |
| Brush once daily | 294 (55%) | 278 (30%) |
| Brush twice or more | 199 (37%) | 612 (67%) |
| Use dental floss | 76 (14%) | 152 (17%) |
