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Red tooth powder from India. Tooth powder was historically used among the Romans to clean and whiten teeth, to fix them when loose, to strengthen the gums, and to assuage toothache. [2] [3] [4] They made tooth powder from a variety of substances, such as the bones, hoofs, and horns of certain animals; [2] crabs; oyster [5] and murex shells; and ...
Dr. Lyon's Tooth Powder: a brand of powdered dentifrice mainly popular during the mid twentieth century. It is still available today in independent drug stores and certain drug store chains. Created by Dr. I. W. Lyon, D.D.S. [19] Elmex: [20] sold since 1962, was manufactured by GABA International AG, a Swiss manufacturer of branded oral care ...
In theory, gingival fibers are the protectors against periodontitis, as once they are breached, they cannot be regenerated.When destroyed, the gingival sulcus (labelled G in the diagram) increases in depth apically, allowing more debris and bacteria to remain in intimate contact with the delicate sulcular and junctional epithelia for longer times.
A 1930s poster from the Work Projects Administration promoting oral hygiene. Tooth decay is the most common global disease. [14] Over 80% of cavities occur inside fissures in teeth where brushing cannot reach food left trapped after eating and saliva and fluoride have no access to neutralize acid and remineralize demineralized teeth, unlike easy-to-clean parts of the tooth, where fewer ...
Anderson's fault theory also presents a model for seismic interpretation. [7] This model predicts the dip of faults according to their regime classification. [2] Conjugate walls in any fault will share a dip angle with that angle being measured from the top of the hanging wall or the bottom of the foot wall. [2]
After extraction of a tooth, the clot in the alveolus fills in with immature bone, which later is remodeled into mature secondary bone. Disturbance of the blood clot can cause alveolar osteitis, commonly referred to as "dry socket". With the partial or total loss of teeth, the alveolar process undergoes resorption.
Dipping tobacco. Dipping tobacco is a type of finely ground or shredded, moistened smokeless tobacco product. It is commonly and idiomatically known as dip. Dipping tobacco is used by placing a pinch, or "dip", of tobacco between the lip and the gum (sublabial administration). The act of using it is called dipping.
When the gingiva become so irritated that there is a loss of the connective tissue fibers that attach the gums to the teeth and bone that surrounds the tooth, this is known as periodontitis. Dental plaque is not the sole cause of periodontitis; however it is many times referred to as a primary aetiology .