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
Surgical orthodontic treatment is required in: 
Select and explain. 
A. Maxillary teeth proclined, B. Abstraction, C. Skeletal Class III, D. None of the above
C: Skeletal Class III
Answer: C: Skeletal Class III 
Explanation: Proclination correction and abstraction are usually done with fixed therapy itself.