Effects of personalized oral hygiene management on oral health status of pregnant women

Table 2 Comparison of Cariostat caries activity test scores of experimental and control groups, mean ± SD

Time of CAT	High-risk groups		Low-risk groups
	Experimental group (n = 29)	Control group (n = 28)	Experimental group (n = 29)	Control group (n = 28)
Initial	2.43 ± 0.44	2.45 ± 0.42	0.53 ± 0.42	0.50 ± 0.36
After 3 months	1.74 ± 0.47a	2.50 ± 0.38	0.43 ± 0.39	0.46 ± 0.33
After 6 months	0.53 ± 0.50a	2.45 ± 0.42	0.45 ± 0.36	0.57 ± 0.32

^aP < 0.0001 vs control group.

CAT: Cariostat caries activity test.