How is enamel on primary teeth different from enamel on permanent teeth?
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tooth
Cross section of an adult human molar.
The enamel of primary teeth differs from that of permanent teeth in two primary ways:
- Hardness: The enamel on primary teeth is less hard than the enamel found on permanent teeth.1
- Thickness: The enamel layer on primary teeth is only half as thick as the enamel on permanent teeth.1