Dental Patient’s head position while recording Potsdam by fluid wax technique should be: A Frankfort horizontal plane is 15 degrees below the horizontal plane. B Frankfort horizontal plane is 30 degrees below the horizontal plane. C Frankfort horizontal plane is 45 degrees below the horizontal plane. D None 💡 Explanation Patient's head position while recording Potsdam by fluid wax technique should be: ✓ Correct Answer: B. Frankfort horizontal plane is 30 degrees below the horizontal plane.