Table 2.

Prevalence of oral diseases and frequency of tooth-brushing (n = 557)

Oral status	n (%)	[95% CI]
Dental caries
% with DMFT = 0	334 (60%)	[56.4; 64.2]
% with DMFT > 0	223 (40%)	[35.8; 43.6]
Gingival status
No gingivitis	252 (45.4%)	[41.2; 49.7]
Gingivitis (≥ 1 sextant)	303(54.6%)	[50.3; 58.8]
Oral infectious process
No infectious process	511 (92.1%)	[90; 94.2]
Infectious process (≥ 1)	44 (7.9%)	[5.8; 10]
Number of PFU
< 6	76 (13.6%)	[10.9; 16.5]
≥ 6	481 (86.4%)	[83.5; 89.1]
Tooth-brushing
No/occasional brushing	46 (8.3%)	[6.1; 10.6]
Once a day	208 (37.5%)	[33.2; 41.6]
Twice a day	301 (54.2%)	[50.1; 58.7]

n, number; %, percentage; 95% CI, 95% confidence interval