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
The dental surveyors were introduced to the field of dentistry in 1918 by: 
Select and explain. 
A. Applegates, B. Kennedy, C. Kroll, D. AJ Fortunati
D: AJ Fortunati
Answer: D: AJ Fortunati 
Explanation: None