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fluoride in dentistry - usm

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FLUORIDE <strong>in</strong> TEETH<br />

• Fluoride: identified as one of the elements<br />

present <strong>in</strong> dental hard tissues.<br />

• Fluoride ion is “calcium – seek<strong>in</strong>g”<br />

• Apatite: the pr<strong>in</strong>cipal m<strong>in</strong>eral of skeletal tissues.<br />

Crystallized form of calcium phosphate :<br />

Ca 10 (PO 4 ) 6 (X) 2 . If:<br />

‘X’ is OH hydroxyapatite<br />

‘X’ is F fluoroapatite : more regular

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