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Toothbrushing frequency and prevalence of oral problems
| Population | Prevalence of certain oral problems (%) | ||||||
|---|---|---|---|---|---|---|---|
| Gingival bleeding | Bad breath | Ulcers | Swelling | Toothache | TMJ disorder | ||
| Twice or more | 2450 | 22.08* | 17.18*# | 16.37* | 11.76*# | 8.20*# | 5.14 |
| Once | 814 | 22.60* | 23.83* | 18.92* | 12.78 | 11.18 | 4.42 |
| Less than once | 88 | 37.50 | 38.64 | 25.00 | 17.05 | 15.91 | 6.82 |
*p < 0.05 compared with the “less than one” group; #p < 0.05 compared with the “once” group
