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What type of device is used for measuring the vitality of dental pulp?

  1. Electric pulp tester

  2. Mouth mirror

  3. PSR probe

  4. Cotton forceps

The correct answer is: Electric pulp tester

The device used for measuring the vitality of dental pulp is an electric pulp tester. This instrument works by applying a small electric current to the tooth in order to stimulate the pulp tissue. When the pulp is vital (alive), the patient will feel a sensation, indicating that the nerve is still functioning. The electric pulp tester helps dentists determine whether the pulp is healthy or if it has undergone necrosis, which can guide treatment decisions. In contrast, a mouth mirror is used primarily for visibility and retraction during examinations, while a PSR probe measures periodontal health, assessing gum pocket depth. Cotton forceps are used for handling cotton or other small materials during dental procedures. Therefore, the specificity and purpose of the electric pulp tester set it apart as the correct choice for measuring dental pulp vitality.