Following Removal of a Ring from the Burnout Oven, Any

Following removal of a ring from the burnout oven, any delay in casting of more than ___________ will severely compromise the fit and quality of the cast restoration.

A) 1 to 2 seconds
B) 8 to 10 seconds
C) 20 to 30 seconds
D) 60 to 90 seconds
E) 2 to 3 minutes