Chronic snorting of cocaine and use of methamphetamines can cause abnormal changes in enamel. Swimmers who spend a lot of time in overchlorinated pools can lose tooth enamel, as can people who work with acids. Excess fluoride ingestion (fluorosis) during childhood can cause mottling of the enamel. Damaged tooth enamel can allow bacteria to more easily invade the tooth and form a cavity.
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Rochester International Airport RST is an airport serving the Rochester, Minnesota metropolitan area. RST Airport is situated approximately seven miles to the southwest of Rochesterâs city center. Currently, the airport transports about 320,000 passengers annually.