The most important principle dictating location and size of access to the root canal system is
straight line access to the canal.
preservation of tooth structure.
removal of all caries.
removal of all pulp horns.
1 explanations
Rk96
Most important factor for size of access should be removal of all carious structure first, then straight line access. Removal of all carious structure is done first and then straight line access can be determined.
Rk96