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: Pathology
Perimolysis is 
Select and explain. 
A. Tooth wear due to gastric secretion, B. Tooth wear due to bruxism, C. Tooth wear due to dentifrices, D. Peripheral blood cell destruction
A: Tooth wear due to gastric secretion
Answer: A: Tooth wear due to gastric secretion 
Explanation: None