The development of fiber optics has enabled dentists to:
a. fill cavities painlessly without the use of anesthesia
b. eliminate the need for x-rays.
c. project views from inside the patient's mouth onto a screen.
d. prevent cavities in children.
c
FEEDBACK: a. Incorrect. Fiber optics are for visualization and do not affect pain level.
b. Incorrect. Fiber optics are for visualization and do not serve as x-rays.
c. Correct.
d. Incorrect. Fiber optics are for visualization and do not prevent cavities.
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