Who is credited with introducing the bitewing radiograph?

a. F. W. McCormack
b. H. R. Raper
c. G. M. Fitzgerald
d. C. E. Kells


b. Howard Riley Raper wrote the first dental radiology textbook, Elementary and Dental Radiology, and introduced bitewing radiographs in

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What will be an ideal response?

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Oral zinc lozenges may shorten the symptoms of the common cold if taken within 24 hours of onset

Indicate whether the statement is true or false

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What will be an ideal response?

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