The Naf now has a much more competent professional force.
0
4
Fluorine easily forms compounds with many chemical elements,
but sodium fluoride(Naf) is better absorbed.
0
5
Naf River is an international river marking
the border of southeastern Bangladesh and western Myanmar.
0
6
Thousands of Rohingya Muslims had sought refuge across the Naf River in the Chittagong Division of Bangladesh.
0
7
Excess fluoride in the teeth happens when its content is sufficient in water and
fluorinated paste is used(optimal content of Naf recommended for children under 12 years is 0.05%);