Why is shade matching important and which tool is commonly used?

Why is shade matching important and which tool is commonly used?

• A. For esthetic accuracy of restorations; shade matching is commonly performed with a shade guide or shade-matching device.
• B. For detection of caries; shade matching uses a dental loupe.
• C. For determining occlusion; shade matching uses a mirror.
• D. For determining gum health; shade matching uses a stethoscope.

Answer: (A)