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Fluoride Role

Fluoride Role (Human Nutrition · Fluoride) — "Fluoride is known mostly as the mineral that combats tooth decay. It assists in tooth and bone development and ma…

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  • Fluoride: tooth decay prevention, development, and exposure risks
  • Fluoride combats tooth decay
  • Fluoride assists in tooth and bone development and maintenance
  • Fluoride combats tooth decay through three mechanisms
  • It blocks acid formation by bacteria
  • It prevents demineralization of teeth
  • It enhances remineralization of destroyed enamel
  • Water fluoridation expanded as a public health measure
  • Fluoride was first added to drinking water in 1945 in Grand Rapids, Michigan
  • More than 60 percent of the US population consumes fluoridated drinking water
  • CDC evidence supports the benefits of water fluoridation
  • Water fluoridation prevents an average of 27 percent of cavities in children and 20 to 40 percent in adults
  • The CDC considers water fluoridation one of the ten great public health achievements of the twentieth century
  • Fluoride concentration determines preventive benefit and exposure risk
  • The optimal concentration ranges from 0.7 to 1.2 milligrams per liter
  • Exposure to three to five times the optimal concentration before permanent teeth develop can cause fluorosis
  • Fluorosis is the mottling and discoloring of the teeth
  • Figure 11.7 shows a severe case of fluorosis
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Fluoride Role

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Human Nutrition

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"Fluoride is known mostly as the mineral that combats tooth decay. It assists in tooth and bone development and maintenance. Fluoride combats tooth decay via three mechanisms: 1. Blocking acid formation by bacteria 2. Preventing demineralization of teeth 3. Enhancing remineralization of destroyed enamel. Fluoride was first added to drinking water in 1945 in Grand Rapids, Michigan; now over 60 percent of the US population consumes fluoridated drinking water. The Centers for Disease Control and Prevention (CDC) has reported that fluoridation of water prevents, on average, 27 percent of cavities in children and between 20 and 40 percent of cavities in adults. The CDC considers water fluoridation one of the ten great public health achievements in the twentieth century. The optimal fluoride concentration in water to prevent tooth decay ranges between 0.7–1.2 milligrams per liter. Exposure to fluoride at three to five times this concentration before the growth of permanent teeth can cause fluorosis, which is the mottling and discoloring of the teeth. Figure 11.7 A Severe Case of Fluorosis."

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