Xylitol gummy bear snacks: a school-based randomized clinical trial

BMC Oral Health

Table 4 Mean Log₁₀ S. mutans/sobrinus and Lactobacillus spp. levels and standard deviation at baseline, six weeks and the differences between six weeks and baseline after excluding 42 children with non-measurable S. mutans/sobrinus levels at baseline for children exposed to xylitol (11.7 g/d or 15.6 g/d) or maltitol (44.7 g/day) gummy bear snack.

Group	N	Variable	Mean	Std Dev	Paired T-Test
M45 (maltitol 44.7 g/d)	40
*S. mutans/sobrinus*		Baseline	2.77	1.44
		Six weeks	1.56	1.62
		Six weeks – baseline	-1.22	1.57	p < 0.0001
*Lactobacillus* spp.		Baseline	2.09	1.86
		Six weeks	1.83	2.03
		Six weeks – baseline	-0.31	2.40	p = 0.42
X12 (xylitol 11.7 g/d)	37
*S. mutans/sobrinus*		Baseline	3.12	1.39
		Six weeks	1.87	1.66
		Six weeks – baseline	-1.21	1.10	p < 0.0001
*Lactobacillus* spp.		Baseline	1.96	1.86
		Six weeks	1.97	1.90
		Six weeks – baseline	0.01	2.39	p = 0.99
X16 (xylitol 15.6 g/d)	35
*S. mutans/sobrinus*		Baseline	3.35	1.49
		Six weeks	1.61	1.75
		Six weeks – baseline	-1.74	1.67	p < 0.0001
*Lactobacillus* spp.
		Baseline	2.51	1.85
		Six weeks	2.41	1.94
		Six weeks – baseline	-0.14	2.25	p = 0.73

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