How do you make a great contact when the sectional matrix doesn't fit?

Option 1
- build up the buccal and lingual with a tofflemire or even freehand.
- Then use the sectional matrix.

Option 2
- you should be doing a crown anyway.

Option 3
- hawe contoured matrices.

Option 4
- Kerr Supermat

Option 5
- build up with a tofflemire
- Then cut a class II restoration and use your sectional.