Internal surface of a Cavity Preparation that runs parallel to the long axis of the tooth is Axial Wall.
what is the Cavity Preparation ?
Cavity preparation is the process to remove carious debris while protecting healthy tooth structure. Any more tooth structure removal is required for the operator's comfort or due to the limitations of the restorative materials.
To learn more about Cavity preparation from the given link
https://brainly.com/question/28443379
#SPJ4
