Which of the following mirror is used by a dentist to examine a small cavity?
A. Convex mirror
B. Plane mirror
C. Concave mirror
D. Combination of convex and concave mirror
Answer:C
Which of the following mirror is used by a dentist to examine a small cavity?
A. Convex mirror B. Plane mirror C. Concave mirror D. Combination of convex and concave mirror