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
Exarticulation of teeth means: 
Select and explain. 
A. Intrusion, B. Extrusion, C. Sublimation, D. Avulsion
D: Avulsion
Answer: D: Avulsion 
Explanation: Avulsion 
Term used to describe the complete displacement of tooth from its alveolus. It is also called as exarticulation and most often involves the maxillary teeth.