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
Which of the following bases are contra indicated under
a composite resin restoration: 
Select and explain. 
A. Calcium hydroxide, B. Eugenol base, C. Zinc phosphate cement, D. None of the above
B: Eugenol base
Answer: B: Eugenol base 
Explanation: None