TABLE 3.

Number of S. mutans and S. sobrinus cells detected in oral specimens^a

Specimen type and patient no.	S. mutans		S. sobrinus
	No. of cellsb	% of bacteriac	No. of cellsb	% of bacteriac
Saliva
1	6.33 × 101 ± 0.09 × 101	1.33 × 10−1 ± 0.04 × 10−1	3.66 ± 0.40d	2.57 × 10−2 ± 0.38 × 10−2
2	7.41 × 101 ± 0.76 × 101	2.50 × 10−2 ± 0.67 × 10−2	4.43 × 101 ± 1.84 × 101d	5.00 × 10−3 ± 1.41 × 10−3
3	1.12 × 102 ± 0.11 × 102	6.22 × 10−2 ± 0.57 × 10−2	NDe	ND
4	4.43 × 101 ± 0.24 × 101	1.93 × 10−2 ± 0.11 × 10−2	5.83 × 101 ± 0.51 × 101d	1.33 × 10−2 ± 0.10 × 10−2
5	1.26 × 102 ± 0.12 × 102	8.62 × 10−2 ± 0.09 × 10−2	4.57 × 102 ± 0.13 × 102	1.88 × 10−1 ± 0.37 × 10−1
6	1.97 × 103 ± 0.03 × 103	1.46 ± 0.02	ND	ND
7	1.34 × 102 ± 0.04 × 102	5.57 ± 0.01	2.87 ± 0.11d	3.89 × 10−2 ± 0.14 × 10−2
8	2.15 × 101 ± 0.02 × 101	4.60 × 10−3 ± 0.01 × 10−3	1.53 × 102 ± 0.16 × 102	1.49 × 10−2 ± 0.13 × 10−2
9	5.05 × 102 ± 0.14 × 102	1.03 × 10−1 ± 0.04 × 10−1	8.76 × 102 ± 0.41 × 102	7.40 × 10−2 ± 0.72 × 10−2
10	5.55 ± 0.11d	1.60 × 10−3 ± 0.00 × 100	ND	ND
Plaque
1	ND	ND	ND	ND
2	ND	ND	ND	ND
3	3.76 × 101 ± 1.26 × 101	2.70 × 10−3 ± 0.70 × 10−3	ND	ND
4	2.44 × 101 ± 0.06 × 101	6.37 × 10−3 ± 0.86 × 10−3	1.64 × 101 ± 0.30 × 101d	1.15 × 10−3 ± 0.07 × 10−3
5	3.38 × 102 ± 0.04 × 102	2.95 × 10−2 ± 0.04 × 10−2	5.17 × 102 ± 0.05 × 102	2.21 × 10−2 ± 0.30 × 10−2
6	3.44 × 104 ± 0.06 × 104	5.41 ± 0.50	ND	ND
7	3.13 × 101 ± 0.12 × 101	1.05 × 10−3 ± 0.07 × 10−3	2.55 × 102 ± 0.02 × 102	1.03 × 10−2 ± 0.03 × 10−2
8	2.92 × 101 ± 0.12 × 101	9.00 × 10−4 ± 2.83 × 10−4	2.39 × 102 ± 0.11 × 102	5.40 × 10−3 ± 0.14 × 10−3
9	4.82 × 104 ± 0.34 × 104	7.16 ± 0.84	4.76 × 104 ± 0.19 × 104	6.95 ± 0.28
10	4.25 ± 0.19d	6.00 × 10−4 ± 0.00 × 100	ND	ND

^aData are means ± standard deviations (n = 3).

^bCFU per PCR mixture.

^cData were calculated by the modified ΔΔCt method.

^dTheoretical data below the detection limits.

^eND, not detected.