Select the statement that is true concerning primary teeth.
A) There are 32 primary teeth,and most children lose these teeth due to decay because they are never very strong.
B) There are 27 primary teeth,and the molars are permanent.
C) There are 20 primary teeth,and by 24 months of age most children have all 20.
D) There are 24 primary teeth,and no new primary teeth appear after 13 months.
Correct Answer:
Verified
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Q20: The solutes contained in saliva include .
A)mucin,lysozyme,electrolytes,salts,and
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