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Fluoride supplements started at birth may reduce tooth decay in a child's permanent teeth by 50-60 percent. The recommended level of supplementation is 0.25 mg fluoride per day starting at six months of age.
Be sure to monitor an infant's fluoride intake; fluoride in excess is toxic and at 0.5 mg/day levels may cause tooth discoloration...
Source :
Health, Safety, and Nutrition for the Young Child
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Although made fashionable by professional baseball players, smokeless tobacco is not a harmless alternative to cigarettes. It wears away tooth enamel, causes the gums to recede and the teeth to loosen, and contributes to tooth decay and discoloration as well as bad breath. Most important, smokeless tobacco use has been linked to development of cancer of the mouth...
Source :
American Medical Association Complete Guide to Men's Health
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Foreign substances incorporated into the developing enamel will cause discoloration of the teeth.
Haemolysis and tetracycline therapy are among the causes of tooth discoloration.
The primary teeth are affected if tetracyclines are given from 18 weeks of gestation
to 10 months postnatally...
Source :
Handbook of Normal Physical Measurements (Oxford Medical Publications)
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