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
Ante's law concerns the 
Select and explain. 
A. Degree of tipping allowable in the abutment tooth, B. Amount of increase in retentive factor with a full crown versus a 3/4th crown, C. Crown : Root ratio, D. Ratio of combined pericemental root surface area of the abutment teeth and the pericemental root surface areas of the teeth to be replaced
D: Ratio of combined pericemental root surface area of the abutment teeth and the pericemental root surface areas of the teeth to be replaced
Answer: D: Ratio of combined pericemental root surface area of the abutment teeth and the pericemental root surface areas of the teeth to be replaced 
Explanation: None