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
High heat obturation technique refers to: 
Select and explain. 
A. Thermofill technique, B. Ultrafil technique, C. Sectional filling, D. Obtura II technique
D: Obtura II technique
Answer: D: Obtura II technique 
Explanation: None