1047MedicalMedium
The range of level of fluoride secreted by the glands into the mouth is________?
A0.006-0.007 ppm
B0.007-0.08 ppm
C0.004-0.005 ppm
D0.007-0.005 ppm
Correct answer
D. 0.007-0.005 ppm
Explanation
The correct answer is 0.007-0.005 ppm.