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
Mouth temperature waxes are: 
Select and explain. 
A. IOWA wax, B. Modeling wax, C. Green stick wax, D. None of the above
A: IOWA wax
Answer: A: IOWA wax 
Explanation: Corrective Impression Waxes 
• These waxes are designed to flow at mouth temperature. 
• Four types of waxes can be used for this technique:

IOWA Wax, white, by Dr. Smith.
Korecta Wax No.4, Orange, by Dr, O.C. Apllegate.
11-1 physiologic paste, yellow-white, by Dr.C.S.Harkins.
Adaptol, green, by Dr. N.G.Kaye.