Table 1.

F concentration means in mg/mL over time.

Time in min/F concentration (min)	P-TF	P-TSF	P-IF	C-TF	C-TSF	C-IF
0	0.10	0.16	0.09	0.07	0.07	0.09
5	2.22	2.78	1.97	2.60	1.86	2.07
15	0.79	0.85	0.89	2.34	1.91	1.57
30	0.39	0.41	0.37	0.44	0.46	0.38
45	0.21	0.21	0.17	0.25	0.23	0.24
60	0.15	0.13	0.12	0.17	0.15	0.15

P: propolis dentifrice; C: conventional dentifrice; TF: total fluoride; TSF: total soluble fluoride; and IF: ionic fluoride.