Write two points of difference between milk teeth and permanent teeth.
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Composition. The next difference between primary and permanent teeth is that the enamel layer on the primary teeth is much thinner than that in permanent teeth. This difference between deciduous and permanent teeth is important because thinner enamel allows cavities to spread quickly
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Milk teeth are teeth that fall out in age of 6 whereas permanent teeth fall in old age.
Milk teeth total number are 20 whereas Permanent teeth are 32 in number.
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