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A 2003 study showed that fillings have a finite lifespan: an average of 12.8 years for amalgam and 7.8 years for composite resins. [20] Fillings fail because of changes in the filling, tooth or the bond between them. Secondary cavity formation can also affect the structural integrity the original filling.
Atraumatic restorative treatment (ART) [1] is a method for cleaning out tooth decay (dental caries) from teeth using only hand instruments (dental hatchet and spoon-excavator) and placing a filling. It does not use rotary dental instruments ( dental drills ) to prepare the tooth and can be performed in settings with no access to dental equipment.
Patti is the senior author of a new study recently published in Nature that has found that dietary fructose may promote tumor growth in animal models of melanoma, breast cancer, and cervical cancer.
Some men's amalgam is good universally, and some men's gold is bad universally; the difference lies in the preparation of the tooth and in the plug (filling)." [40] More controversy came in 1872, when an amalgam filling was reported as the cause of death of a Nebraska middle-aged man, resulting in a public outcry against the use of amalgam. [41]
As with normal tooth development, odontomas stop growing once mature which makes them benign. [6] The average age of people found with an odontoma is 14. [7] The condition is frequently associated with one or more unerupted teeth and is often detected through failure of teeth to erupt at the expected time. Though most cases are found impacted ...
"Teeth whitening is the process of bleaching the middle layer of the tooth to make the overall appearance of the tooth whiter," says Naomi Levy Goldman, DMD, Cosmetic & Restorative Dentist. "This ...
To fabricate an amalgam filling, the dentist uses a mixing device to blend roughly equal parts (by mass) of shavings of a silver-base alloy with mercury until the shavings are thoroughly wetted. The silver alloy is typically 40–70% Ag, 25-29% Sn, 2–40% Cu and 0–2% Zn (when the alloy is formulated Zn is a scavenger and is mostly consumed ...
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