Free 5-question sample test with instant feedback. See how ready you are.
Question 1
What is the primary function of a dental explorer?
Answer: A dental explorer is used to detect caries, calculus, and irregularities on tooth surfaces by tactile sensation.
Question 2
Which hand instrument is used to measure the depth of the gingival sulcus or periodontal pocket?
Answer: A periodontal probe is used to measure sulcus or pocket depth, typically marked in millimeter increments.
Question 3
What is the function of a spoon excavator?
Answer: A spoon excavator removes soft, carious dentin and debris from a cavity preparation using its spoon-shaped, sharp-edged working end.
Question 4
What distinguishes a Gracey curette from a universal curette?
Answer: A Gracey curette is area-specific, with one cutting edge designed for use on particular tooth surfaces and a lower shank angled for specific areas; a universal curette has two cutting edges and can be used throughout the mouth.
Question 5
What is the purpose of a hatchet hand instrument in cavity preparation?
Answer: A hatchet is used to plane enamel walls and refine cavity preparation, with its cutting edge perpendicular to the long axis of the handle.