You may have seen my post a couple days ago when I started access opening on anterior and premolar teeth. (if not, see here ). I have continued this process with accessing molar teeth.
Real Human Teeth embedded in a plaster block
The tooth at the very right is actually a pre-molar
Molars accessed If you look really closely, you may be able to see a couple canals Filing and measuring
See access opening on anteriors and premolars here .Here's a handy guideline on access cavity preps.
Real Human Teeth embedded in a plaster block