Table 2.

Comparison of dental caries experience among Estonian and Vietnamese schoolchildren (N = 900)

Dental caries experience	Estonia (n = 344)	Vietnam (n = 556)	p
Number of schoolchildren (%) with dental caries experiencea
dt/DT > 0	183 (53.2)	468 (84.2)	<0.001*
mt/MT > 0	10 (2.9)	4 (0.7)	0.021*
ft/FT > 0	303 (88.1)	155 (27.9)	<0.001*
dmft/DMFT > 0	320 (93.0)	489 (87.9)	0.026*
Mean number of teeth (SD) with dental caries experienceb
dt/DT	1.3 (1.8)	3.6 (3.0)	<0.001*
mt/MT	0.03 (0.2)	0.01 (0.1)	0.032*
ft/FT	3.8 (2.6)	0.4 (0.9)	<0.001*
dmft/DMFT	5.2 (3.1)	4.1 (3.2)	<0.001*

^aChi‐square test.

^bStudent's t test.

^* Significant.