Which margin would you use for this treatment?
A. 0.0 mm
B. 1.5 mm
C. 2.0 mm
D. 2.5 mm
E. 3.0 mm
0.0 mm
1.5 mm
2.0 mm
2.5 mm
3.0 mm
20% 20%
20% 20% 20%