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
Most suitable pontic 
Select and explain. 
A. Should have passive contact with ridge and no blanching of tissue, B. Should contact with some blanching of tissue, C. Ridge area scrapped in cast and pontic in gold alloy, D. Ridge area scrapped in cast and pontic in porcelain
A: Should have passive contact with ridge and no blanching of tissue
Answer: A: Should have passive contact with ridge and no blanching of tissue 
Explanation: None