highly significantp = 0.000
At all-time points (days 1–7, 14, and 21), the difference in fluoride release between F3 and F4 remained highly significant ( p = 0.000).
At all-time points (days 1–7, 14, and 21), the difference in fluoride release between F3 and F4 remained highly significant ( p = 0.000).