The main OTC drug used to treat acne is:
A) erythromycin
B) tetracycline
C) benzoyl peroxide
D) hydrogen peroxide
C) benzoyl peroxide
Benzoyl peroxide is the main OTC drug used to treat acne and is a powerful oxidizing agent.
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Which of the following statements is correct?
A) Vertical angulation is usually described in millimeters. B) Vertical angulation of the tube head and PID begins at 90 degrees. C) To change vertical angulation, the tube head is swiveled from side to side. D) When the open end of the PID is tilted toward the floor, the vertical angle is positive.
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The Universal Number for the mandibular left third molar is 16.
Answer the following statement true (T) or false (F)
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