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In dentistry, calculus or tartar is a form of hardened dental plaque. It is caused by precipitation of minerals from saliva and gingival crevicular fluid (GCF) in plaque on the teeth . This process of precipitation kills the bacterial cells within dental plaque, but the rough and hardened surface that is formed provides an ideal surface for ...
In addition to brushing, cleaning between teeth may help to prevent build-up of plaque bacteria on the teeth. This may be done with dental floss or interdental brushes.. 80% of cavities occur in the grooves, or pits and fissures, of the chewing surfaces of the teeth, [4] however, there is no evidence currently showing that normal at-home flossing reduces the risk of cavities in these areas.
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 ...
Osteo-odonto-keratoprosthesis (OOKP), also known as "tooth in eye" surgery, [1] is a medical procedure to restore vision in the most severe cases of corneal and ocular surface patients. It includes removal of a tooth from the patient or a donor.
Aura Soltana, also known as Ipolitan the Tartarian or Ipolita or Ippolyta (fl. 1569), was a Tartar woman at the court of Elizabeth I after arriving from Russia to England, apparently as a slave. [ 1 ] [ 2 ]
Abacination is a form of corporal punishment or torture, in which the victim is blinded by infliction of intentional damage to the eyes. Damage can be in the form of removal of the eyes or eyelids, slitting the eyes, burning, excessive pressure, chemical burns, nerve injury, or brain damage. [1]
Chelation therapy is a medical procedure that involves the administration of chelating agents to remove heavy metals from the body. [1] Chelation therapy has a long history of use in clinical toxicology [2] and remains in use for some very specific medical treatments, although it is administered under very careful medical supervision due to various inherent risks, including the mobilization of ...
To detect the difference between strabismus and pseudostrabismus, clinicians use a flashlight to shine into the child's eyes. When the child is looking at the light, a reflection can be seen on the front surface of the pupil. If the eyes are aligned with one another, the reflection from the light will be in the same spot of each eye.