Use Case C to answer The Following questions
CASE C
A heavy tea drinker just purchased over-the-counter whitening strips to see if her discolored teeth could be whitened. She wants to know if using whitening strips is better than using the professional custom bleaching tray system at home. You want to provide an evidence-based answer (based on a search of the research literature).
-Which type of study will provide the BEST evidence to answer the client's question?

Question

Quizplus · Accepted Answer

Randomized controlled clinical trials provide the best evidence for therapy questions because they are carefully planned investigations that observe and measure the effect of a therapy on real clients under controlled conditions, reducing the potential for error and allowing for unbiased comparison between groups. Cause and effect relationships can be determined.

Use Case C to Answer the Following Questions