Multiple choice physics reflection of light at curved surfaces uses of curved mirrors uses of spherical mirror uses of spherical mirrors Mirror used by a dental surgeon is ___________. Plane Convex Concave Convex and concave Reveal answer Fill a bubble to check yourself C Correct answer Explanation The concave mirror is used by the dentist as the image formed by the concave mirror when placed between pole and focus is magnified and erect and it provides a clear image to repair tooth cavities.