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
Sloglass is used in: 
Select and explain. 
A. Root biomodification, B. Resective osseous surgery, C. Regeneration osseous surgery, D. Mucogingival surgery
C: Regeneration osseous surgery
Answer: C: Regeneration osseous surgery 
Explanation: None