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
Who developed the complete pulpectomy technique for primary molars? 
Select and explain. 
A. Pinkham, B. Starkey, C. McDonald, D. Finn
B: Starkey
Answer: B: Starkey 
Explanation: Starkey developed the complete pulpectomy technique for primary molars.