Comparative Evaluation of Plaque Inhibitory and Antimicrobial Efficacy of Probiotic and Chlorhexidine Oral Rinses in Orthodontic Patients: A Randomized Clinical Trial

Table 3

Comparison of the median streptococcal colony count scores between the groups.

Streptococcal count (SC)	Chlorhexidine	Probiotics	Control
	Median (IQR)	Median (IQR)	Median (IQR)
1^st week	7.8 × 10^4 (2 × 10^3 – 1.1 × 10^5)	7.1 × 10^4 (6 × 10^3 – 1.1 × 10^5)	9.7 × 10^4 (3.7 × 10^3 – 1.6 × 10^5)
2^nd week	4 × 10^4 (1.6 × 10^3 – 3.8 × 10^4)	7.8 × 10^3 (2.2 × 10^3 – 6.3 × 10^3)	8.6 × 10^4 (2.5 × 10^3 – 1.5 × 10^5)
value	0.28	0.72	0
2^nd week	4 × 10^4 (1.6 × 10^3 – 3.8 × 10^4)	7.8 × 10^3 (2.2 × 10^3 – 6.3 × 10^3)	8.6 × 10^4 (2.5 × 10^3 – 1.5 × 10^5)
3^rd week	1.5 × 10^4 (5.5 × 10^2 – 4.1 × 10^3)	3.1 × 10^3 (10^3 – 5.7 × 10^3)	9.2 × 10^4 (2.3 × 10^3 – 1.5 × 10^5)
value	0.10	0.06	0
3^rd week	1.5 × 10^4 (5.5 × 10^2 – 4.1 × 10^3)	3.1 × 10^3 (10^3 – 5.7 × 10^3)	9.2 × 10^4 (2.3 × 10^3 – 1.5 × 10^5)
4^th week	2.7 × 10^3 (5.2 × 10^2 – 2.9 × 10^3)	1.1 × 10^3 (6.4 × 10^2 – 1.4 × 10^3)	8.9 × 10^4 (2.2 × 10^3 – 1.5 × 10^5)
value	0.30	0.28	0
1^st week	7.8 × 10^4 (2 × 10^3 – 1.1 × 10^5)	7.1 × 10^4 (6 × 10^3 – 1.1 × 10^5)	9.7 × 10^4 (3.7 × 10^3 – 1.6 × 10^5)
4^th week	2.7 × 10^3 (5.2 × 10^2 – 2.9 × 10^3)	1.1 × 10^3 (6.4 × 10^2 – 1.4 × 10^3)	8.9 × 10^4 (2.2 × 10^3 – 1.5 × 10^5)
value	0.10	0.96	0

Statistically significant at p < 0.05.