Word: enameling
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Stare also commented that one of the per targets of the health quacks is the "poisoning" of our water supply through flouridation. "Floride is a mineral nutrient," he said; the body must have sufficient flourine to construct a dental enamel strong enough to resist decay...
Crown & Root. A tooth is not a sim ple cutting or grinding tool, but a complex piece of living matter. The part that shows, which dentists call the crown, is made of bonelike dentine wrapped in an enamel shell. The part that is hidden, which dentists call the root, consists of bonelike materials surrounding the root canal, which is filled with soft tissue, blood vessels and the tooth's nerve...
Fact is, concluded Cornell University's Dr. Stanley J. Behrman, teeth are far from immune to the processes of graft rejection. Even their enamel, he said, may touch off an immune reaction. The root is slowly whittled away by scavenger cells in the bloodstream of the tooth's new owner, and is replaced with soft tissue or new bone, which is why the crown eventually falls...
...Ferro Corp. of Cleveland is the world's largest maker of frit. Frit? Yes, frit. Ferro's main product is a powdery flaked glass that melts at 1,500° heat into the chief ingredient of porcelain enamel, the familiar coating on bathtubs, basins and ceramic tile. Since many appliances are also sprayed with or submerged in frit, Ferro is profiting not only from the U.S. appliance boom but from the rapidly expanding appliance market abroad. This week Ferro announced an 8% gain in first-quarter sales to $21 million; with 1963 sales that hit a record...
...company has diversified into chemicals, fiber glass and heating units, but frit still accounts for 45% of its sales. Though enamel has largely disappeared from pots and pans, and stoves are often made of stainless steel nowadays, Ferro has made up for such losses by aggressively seeking out new uses for frit. The material is now used on classroom chalkboards, automobile mufflers and jet-engine afterburners. Ferro also turns out frit-based golf-hole markers and road markers, is developing a fertilizer business in which it mixes frit with zinc, boron and molybdenum. Porcelain enamel "skin" sections are hanging...