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 is an occupational disease of dentist? 
Select and explain. 
A. Syphilis, B. HIV, C. HBV, D. All the above
D: All the above
Answer: D: All the above 
Explanation: These include exposure to infections (including human immunodeficiency virus and viral hepatitis); percutaneous exposure incidents, dental materials, radiation, and noise; musculoskeletal disorders; psychological problems and dermatitis; respiratory disorders; and eye insults.