Research Article

Relationship between Duration of Fluoride Exposure in School-Based Fluoride Mouthrinsing and Effects on Prevention and Control of Dental Caries

Table 2

Caries prevalence of 12-year-old children by dentition in two groups.

S-FMR experience in elementary school Mean DMFT Mean DMFS
GenderNumber12 11 21 2216 2615 14 24 2517 2712 11 21 2216 2615 14 24 2517 27
42 41 31 3246 3645 44 34 3547 3742 41 31 3246 3645 44 34 3547 37

Boys3190.031.130.060.040.081.930.090.05
F+Girls2800.081.080.070.070.141.720.090.10
Subtotal5990.061.110.060.060.111.830.090.07

Boys1470.141.510.050.050.182.760.080.07
F−Girls1350.211.920.100.080.443.640.150.12
Subtotal2810.181.710.070.070.313.180.110.09
Total8810.091.300.070.060.172.260.100.08

*11, 21, 31, 41: Central incisors; 12, 22, 32, 42: Lateral incisors; 16, 26, 36, 46: First molars; 14, 24, 34, 44: First premolars; 15, 25, 35, 45: Second premolars; 17, 27, 37, 47: Second molars.