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CHEMISTRY: ATOMS FIRST VOL 1 W/CON...

14th Edition
Burdge
ISBN: 9781259327933

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FindFindarrow_forward

CHEMISTRY: ATOMS FIRST VOL 1 W/CON...

14th Edition
Burdge
ISBN: 9781259327933
Interpretation Introduction

Interpretation:

The function of NaF and SnF2 compounds which are present in toothpastes helps in preventing tooth decay has to be explained

Concept Information:

Hydroxyapatite is a naturally occurring mineral which can be found in matix with other minerals as well as in teeth.

Fluoride ion is commonly used in drinking water supplies and in toothpaste (in the form of sodium fluoride) to prevent tooth decay.

The fluoride ions replace hydroxide ions in the enamel mineral hydroxyapatite, by forming fluoroapatite.

Fluoroapatite is less soluble than hydroxyapatite, particularly in acidic solution.  Hence, replacing the hydroxide ion using fluoride ion prevents tooth decay.

To Explain: The function of NaF and SnF2 compounds which are present in toothpastes helps in preventing tooth decay

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