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Classification. An internationally agreed classification formulated at the World Workshop in Clinical Periodontics in 1989 divided periodontal diseases into 5 groups: adult periodontitis, early-onset periodontitis, periodontitis associated with systemic disease, necrotizing ulcerative periodontitis and refractory periodontitis. [1] In 1993 at ...
The gums are part of the soft tissue lining of the mouth. They surround the teeth and provide a seal around them. Unlike the soft tissue linings of the lips and cheeks, most of the gums are tightly bound to the underlying bone which helps resist the friction of food passing over them. Thus when healthy, it presents an effective barrier to the ...
This is a list of chewing gum brands in the world. Chewing gum is a type of gum made for chewing, and dates back at least 5,000 years. Modern chewing gum was originally made of chicle, a natural latex. By the 1960s, chicle was replaced by butadiene-based synthetic rubber which is cheaper to manufacture. Most chewing gums are considered polymers ...
The first French chewing gum, it was created in 1952. The French were introduced to chewing gum for the first time by the American troops stationed there in 1944. In 1958, the gum's main advertising focus was that of the American Dream. While Hollywood now offers a variety of different flavors, the very first flavor was spearmint. Macaron
List of assault rifles. Assault rifles are full-length, select fire rifles that are chambered for an intermediate-power rifle cartridge that use a detachable magazine. Assault rifles are currently the standard service rifles in most modern militaries. Some rifles listed below, such as the AR-15, also come in semi-auto models that would not ...
List of firearms. This is an extensive list of small arms —including pistols, revolvers, submachine guns, shotguns, battle rifles, assault rifles, sniper rifles, machine guns, personal defense weapons, carbines, designated marksman rifles, multiple-barrel firearms, grenade launchers, underwater firearms, anti-tank rifles, anti-materiel rifles ...
Until it cools. Thermoplastic. Somewhat brittle when set. Water-soluble. Cabinetmaking, bookbinding, lutherie, glue-size. Keratin glues. Hoof glue and horn glue. hooves of ungulates, animal horns. Hooves or horns are fragmented, boiled into goo, and acidified.
Chewing gum. Chewing gum is a soft, cohesive substance designed to be chewed without being swallowed. Modern chewing gum is composed of gum base, sweeteners, softeners/ plasticizers, flavors, colors, and, typically, a hard or powdered polyol coating. [1]