two in vivo experiments were performed , concerning ( 1 ) the kinetics of the acquisition of calcium fluoride on enamel during daily rinses with a solution of 0.023 % f as sodium fluoride , and ( 2 ) the loss of calcium fluoride from enamel slabs which had been topically treated with a neutral solution containing 0.9 % f as sodium fluoride .
C0016327
f
C0037508
sodium fluoride