Table 2.

Changes of oral health status.

	Experimental group (n = 31)			P	Control group (n = 30)			P
	Before	After 6 months	Δ (95% CI)		Before	After 6 months	Δ (95% CI)
Dental caries experience	5.45 (5.64)	5.45 (5.77)	0.00 (−1.19, 1.19)	1.000	6.37 (8.12)	8.40 (8.27)	−2.03 (−3.44, −0.63)	.006
Plaque score	24.70 (22.23)	5.90 (5.00)	18.80 (11.02, 26.58)	<.001	15.74 (12.25)	21.52 (20.61)	−5.78 (−13.01, 1.45)	.113
Bleeding on probing	8.41 (12.32)	2.83 (6.64)	5.58 (1.89, 9.26)	.004	8.85 (10.56)	10.41 (13.25)	−1.56 (−5.19, 2.08)	.388
Salivary flowrate	1.18 (0.56)	0.88 (0.41)	0.30 (0.04, 0.57)	.027	1.29 (0.72)	0.66 (0.42)	0.63 (0.29, 0.98)	.001