WE have already outlined 1 the results of an X-ray examination of thin calcium fluoride films, evaporated on polished glass surfaces. The powder X-ray camera used was of the Seeman–Bohlin ...
With the addition of calcium hydroxyapatite, Zion Health, a leader in natural health and wellness, is pleased to introduce five of its recently reformulated ClayBrite toothpastes. Their novel mixture ...