Ufo 10 / Replica 10
ONLY FOR PROS
Real challenging tooth, a lower second molar with 2 roots and 4 canals.
Distal root has 2 canal merging in last 4 mm.
Mesial root has 2 independent canals and a double dangerous curvature.
Between mesial canals there are also two small isthmus.
After shaping you will feel like a specialist.