The tip of size 20 endo file. Pt come with pain tooth #.. When drink hot tea . Pain continuous for 10 minutes diagnosis

The tip of size 20 endo file. Pt come with pain tooth:

1. The tip of size 20 endo file is: 

• 0.02 m.m
• 0.2 m.m***

2. Pt come with pain tooth #.. When drink hot tea . Pain continuous for 10 minutes diagnosis: 

• irreversible pulpitis ***
• necrotic