Dietary Reference Intakes The Essential Guide to Nutrient Requirements (2006) / Chapter Skim
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Pages 312-319
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From page 312... ...
TABLE 1 Dietary Reference Intakes for Fluoride by Life Stage Group DRI values (mg/day) AIa ULb males females Life stage group 0 through 6 mo 0.01 0.01 0.7 7 through 12 mo 0.5 0.5 0.9 1 through 3 y 0.7 0.7 1.3 4 through 8 y 1 1 2.2 9 through 13 y 2 2 10 14 through 18 y 3 3 10 19 through 30 y 4 3 10 31 through 50 y 4 3 10 51 through 70 y 4 3 10 > 70 y 4 3 10 Pregnancy £ 18 y 3 10 19 through 50 y 3 10 Lactation £ 18 y 3 10 19 through 50 y 3 10 a AI = Adequate Intake.
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From page 313... ...
PART III: FLUORIDE 313 FLUORIDE F luoride is vital for the health of teeth and bones. About 99 percent of body fluoride is found in calcified tissues, where it protects against den tal caries and can stimulate new bone formation.
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From page 314... ...
DRIs: THE ESSENTIAL GUIDE TO NUTRIENT REQUIREMENTS 314 typically increases to about 80 percent or more. Because of fluoride's affinity for calcium, about 99 percent of body fluoride is found in calcified tissues.
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From page 315... ...
PART III: FLUORIDE 315 Criteria for Determining Fluoride Requirements, by Life Stage Group Life stage group Criterion 0 through 6 mo Human milk content For all other life stage groups Caries prevention The UL The Tolerable Upper Intake Level (UL) is the highest level of daily nutrient intake that is likely to pose no risk of adverse effects for almost all people.
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From page 316... ...
DRIs: THE ESSENTIAL GUIDE TO NUTRIENT REQUIREMENTS 316 rine fish (especially if eating with bones, e.g., sardines) , and some infant for mulas that are made or reconstituted with fluoridated water.
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From page 317... ...
PART III: FLUORIDE 317 TABLE 2 Potential Interactions with Other Dietary Substances Substance Potential Interaction Notes SUBSTANCES THAT AFFECT FLUORIDE Calcium High concentrations of The rate and extent of fluoride absorption from the calcium ingested with gastrointestinal tract are somewhat reduced by fluoride may reduce ingestion with solid foods and some liquids, fluoride absorption. particularly those rich in calcium, such as milk or infant formulas.
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From page 318... ...
DRIs: THE ESSENTIAL GUIDE TO NUTRIENT REQUIREMENTS 318 Stages 2 and 3 skeletal fluorosis: Symptoms are more severe and may include the calcification of ligaments, osteosclerosis, exostoses, pos sible osteoporosis of long bones, muscle wasting, and neurological defects due to the hypercalcification of vertebrae. Bone-ash fluoride concentrations typically exceed 7,500–8,000 mg/kg.
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From page 319... ...
PART III: FLUORIDE 319 KEY POINTS FOR FLUORIDE Fluoride is vital for the health of teeth and bones. About 99 3 percent of body fluoride is found in calcified tissues, where it protects against dental caries and can stimulate new bone formation.
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