Forensic Medicine General f646d417 Which of the following is true for 8yr old boy. A 8 Permanent, 16 Temporary tooth B 4 Temporary, 20 Permanent tooth C 12 Temporary, 12 Permanent tooth D 4 Permanent, 20 Temporary tooth High-Yield Explanation Number of permanent teeth = (Age - 5 ) × 4 So, Number of permanent teeth = (8 - 5 ) × 4 = 12