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The operator does not need to insert the needle in the mental foramen when administering the mental block to achieve effective anesthesia. However, returning the patient to an upright position after the injection will promote the diffusion of the anesthetic agent into the foramen.a. The first statement is true; the second statement is false.b. The first statement is false; the second statement is true.c. Both statements are true.d. Both statements are false.
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