This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Forensic Medicine
Estimation of age examination of teeth is by 
Select and explain. 
A. Pearson's method, B. Gustafson's method, C. Gabon's method, D. Bertillon's method
B: Gustafson's method
Answer: B: Gustafson's method 
Explanation: (B) Gustafson's method # Gustafson's method is the formula used to determine the age of a person from changes in dental structures the age estimation is useful only for a person more than 21 yrs. transparency of tooth