Recommend time for using8% glulataraldehyde for pulpotomy:: (A) 30sec, (B) 1minute., (C) 2minute., (D) 4minute
Answer is C. 2%, 4% and 8% buffered glutaraldehyde solutions can be used. 
2% is used for pulpotomies in primary teeth.
The recommended time for 4% is 4 min and 8% is 2 min.