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
Disease associated with early-onset periodontitis, due to deficiency of catalase enzyme is known as: 
Select and explain. 
A. Acatalasia., B. Achondroplasia., C. Catalonia., D. Catalysis
A: Acatalasia.
Answer: A: Acatalasia. 
Explanation: None