In 1950 the average child visited the dentist once a year. By 1970 the number of visits increased to two. Today, the average child visits dentist thrice a year. Each of the following, if true, could explain this trend except

A Dentist's fees have declined over the period

B Better home care of teeth has reduced the number of cavities

C Dental care has become less painful

D Parents are more aware of the importance of dental care

Solution

Correct Answer: Option B

Solution

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