Customer Reviews. Love Specs! We have gone to other providers, as insurance dictated, but regardless of coverage, we are keeping Specs as our provider for all our optical needs. They have a great selection of eyewear, and will spend whatever time is needed to help you select your glasses.
Toothpaste works with toothbrushing to clean teeth and fight plaque bacteria. 1  Specifically: 2  Toothpaste contains abrasives which physically scrub away plaque. In addition, toothpaste abrasives help remove food stains from teeth and polish tooth surfaces. 3  Toothpaste delivers fluoride to the teeth. Fluoride incorporates itself into tooth enamel weakened by acid attack, making it more resistant to future acid attack from plaque bacteria and food. This is perhaps the most important function of toothpaste, and is responsible for the dramatic reduction of cavities in today's society. Some toothpastes contain ingredients which chemically hinder the growth of plaque bacteria.
Fluoride in various forms is the most popular active ingredient in toothpaste to prevent cavities. Fluoride occurs in small amounts in plants, animals, and some natural water sources. The additional fluoride in toothpaste has beneficial effects on the formation of dental enamel and bones.Sodium fluoride (NaF) is the most common source of fluoride, but stannous fluoride (SnF 2), olaflur (an organic salt of fluoride), and sodium monofluorophosphate (Na 2 PO 3 F) are also used.ayered toothpaste requires a multi-chamber design (e.g. USPTO 5,020,694), in which two or three layers extrude out of the nozzle. This scheme, like that of pump dispensers (USPTO 4,461,403), is more complicated (and thus, more expensive to manufacture) than either the Marraffino design or the Colgate design.