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> this review found that there is little evidence that water fluoridation has any benefits. It does not dispute that fluoride in toothpaste reduces tooth decay

> this review found that there is little evidence that water fluoridation has any benefits. It does not dispute that fluoride in toothpaste reduces tooth decay This agrees well with a personal observation of mine. A majority of those I know who grew up in the 1970's or earlier have a mouth full of fillings. Yet almost everyone I know who grew up in the 1990's or later have few or zero fillings. I've asked several different dentists about this observation. The dentists agree with my observation but they reflexively attribute it to fluoridation of water. But fluoridation began in my area in the 1960's (I checked). The dentists are wrong about fluoridation explaining the difference between '70s kids and '90s kids. If we were to assume that toothpaste commonly began to contain fluoride after the mid or late 1970's, that would be consistent with a decline in cavities.

jessriedel 11y ago
> If we were to assume that toothpaste commonly began to contain fluoride after the mid or late 1970's Not sure, but that sounds wrong according to wikipedia: > Fluoride was first added to toothpastes in the 1890s. "Tanagra", containing calcium fluoride as the active ingredient, was sold by Karl F. Toellner Company, of Bremen, Germany, based upon the early work of chemist Albert Deninger.[31] An analogous invention by Roy Cross, of Kansas City, Mo., was initially criticized by the American Dental Association (ADA) in 1937. Fluoride toothpastes developed in the 1950s received the ADA's approval. To develop the first ADA-approved fluoride toothpaste, Procter & Gamble started a research program in the early 1940s. In 1950, Procter & Gamble developed a joint research project team headed by Dr. Joseph Muhler at Indiana University to study new toothpaste with fluoride. In 1955, Procter & Gamble's Crest launched its first clinically proven fluoride-containing toothpaste. On August 1, 1960, the ADA reported that "Crest has been shown to be an effective anticavity (decay preventative) dentifrice that can be of significant value when used in a conscientiously applied program of oral hygiene and regular professional care." https://en.wikipedia.org/wiki/Toothpaste#Modern_toothpaste https://en.wikipedia.org/wiki/Toothpaste#Modern_toothpaste

jessriedel 11y ago

> If we were to assume that toothpaste commonly began to contain fluoride after the mid or late 1970's Not sure, but that sounds wrong according to wikipedia: > Fluoride was first added to toothpastes in the 1890s. "Tanagra", containing calcium fluoride as the active ingredient, was sold by Karl F. Toellner Company, of Bremen, Germany, based upon the early work of chemist Albert Deninger.[31] An analogous invention by Roy Cross, of Kansas City, Mo., was initially criticized by the American Dental Association (ADA) in 1937. Fluoride toothpastes developed in the 1950s received the ADA's approval. To develop the first ADA-approved fluoride toothpaste, Procter & Gamble started a research program in the early 1940s. In 1950, Procter & Gamble developed a joint research project team headed by Dr. Joseph Muhler at Indiana University to study new toothpaste with fluoride. In 1955, Procter & Gamble's Crest launched its first clinically proven fluoride-containing toothpaste. On August 1, 1960, the ADA reported that "Crest has been shown to be an effective anticavity (decay preventative) dentifrice that can be of significant value when used in a conscientiously applied program of oral hygiene and regular professional care." https://en.wikipedia.org/wiki/Toothpaste#Modern_toothpaste https://en.wikipedia.org/wiki/Toothpaste#Modern_toothpaste