This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Tanaka Johnson Includes: 
Select and explain. 
A. Use of radiographs, B. Use of charts/tables, C. Use of both, D. Use of none
D: Use of none
Answer: D: Use of none 
Explanation: Tanaka Johnson Analysis

Based on regression equation
Used for size prediction of unerupted canines and premolars in contemporary orthodontic population