Differentiate bitewing and periapical radiographs in terms of diagnostic purpose and typical exposure settings, and how can patient discomfort be minimized?

• A. Bitewings assess crown height and interproximal bone; periapicals assess tooth roots and surrounding bone; imaging dose varies; minimize discomfort with topical anaesthetic, good communication, comfortable position, digital sensors, and the fewest necessary images
• B. Bitewings image soft tissues only
• C. There is no difference in diagnostic purpose
• D. Bitewings show roots and erupting teeth

Answer: (A)