Comparative Evaluation of Antibacterial Effect of Propolis and Aloe Vera, Xylitol, and Cpp-Acp Gels on Streptococcus mutans and Lactobacillus in Vitro

Table 2

Mean diameter ± standard deviation of Lactobacillus growth inhibition zone in different concentrations of each gel.

Concentration	Concentration	Concentration	Concentration	Concentration 1	Time (h)	Groups
2.57 ± 0.60	5.54 ± 0.66	6.24 ± 0.59	6.96 ± 0.51	8.05 ± 0.27	24	Propolis and aloe vera gel	1
4.44 ± 0.67	5.82 ± 0.39	7.09 ± 0.61	8.11 ± 0.60	11.50 ± 0.74	48
5.51 ± 0.56	7.16 ± 0.33	8.99 ± 0.28	10.61 ± 0.4	14.26 ± 0.77	72
0	2.19 ± 0.85	3.97 ± 0.77	5.13 ± 0.22	6.43 ± 0.30	24	Fluoride gel	2
0.33 ± 0.57	3.11 ± 0.83	4.92 ± 0.98	6.25 ± 0.21	8.85 ± 0.15	48
0.85 ± 0.87	4.55 ± 0.78	6.27 ± 0.25	7.66 ± 0.29	11.57 ± 0.73	72
0	0	0	2.21 ± 0.54	4.01 ± 0.05	24	Xylitol gel	3
0	0	0	2.94 ± 0.15	4.71 ± 0.23	48
0	0	0	4.07 ± 0.15	6.51 ± 0.32	72
0	0	0	0	0	24	CPP-ACP gel	4
0	0	0	0	0	48
0	0	0	0	0	72