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
The process of removal of supporting bone to produce a positive gingival or osseous architecture is called as: 
Select and explain. 
A. Spheroidizing, B. Scribing, C. Osteoplasty, D. None
A: Spheroidizing
Answer: A: Spheroidizing 
Explanation: Scribing: It is an osseous resection technique, where high speed rotary instruments outline the radicular bone, which has to be removed by hand instrumentation.
Spheroidizing (or parabolizing): It is the removal of supporting bone to produce a positive gingival or osseous architecture.