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Referring to a common salt of fluoride, sodium fluoride (NaF), the lethal dose for most adult humans is estimated at 5 to 10 g (which is equivalent to 32 to 64 mg elemental fluoride/kg body weight). [ 2 ] [ 3 ] [ 4 ] Ingestion of fluoride can produce gastrointestinal discomfort at doses at least 15 to 20 times lower (0.2–0.3 mg/kg or 10 to 15 ...
Tooth decay, also known as cavities or caries, [a] is the breakdown of teeth due to acids produced by bacteria. [6] The cavities may be a number of different colors, from yellow to black. [ 1 ] Symptoms may include pain and difficulty eating.
Acid erosion is a type of tooth wear.It is defined as the irreversible loss of tooth structure due to chemical dissolution by acids not of bacterial origin. [1] Dental erosion is the most common chronic condition of children ages 5–17, [2] although it is only relatively recently that it has been recognised as a dental health problem. [3]
Studies have validated fluoride’s benefits at low levels, but newer research shows risks.
Streptococcus mutans is a facultatively anaerobic, gram-positive coccus (round bacterium) commonly found in the human oral cavity and is a significant contributor to tooth decay. [ 1 ] [ 2 ] The microbe was first described by James Kilian Clarke in 1924.
While essential for all individuals, fluoride's effects are most significant in children, as the fluoride is incorporated into their developing enamel.This in turn causes their teeth to become less prone to decay. Therefore, a relationship can be formulated, in that the more fluoride entering the body, the overall decline in the rate of decay. [20]
Tooth decay (dental caries) is one of the most prevalent chronic diseases worldwide. [30] Although it is rarely life-threatening, tooth decay can cause pain and impair eating, speaking, facial appearance, and acceptance into society, [31] and it greatly affects the quality of life of children, particularly those of low socioeconomic status. [30]
Colorado funeral home owners accused of letting 190 bodies decay plead guilty to corpse abuse ... They used customers’ money and nearly $900,000 in pandemic relief funds to buy laser body ...