To achieve optimum cavity preparation, which of the following factors of internal anatomy must be considered in root canal treatment:
A. Outline form
B. The age and shape of pulp chamber; in addition to the direction of individual root canals. C. Internal external relationship
D. Intra-coronal preparation
E. None of the above
A. Outline form
B. The age and shape of pulp chamber; in addition to the direction of individual root canals. C. Internal external relationship
D. Intra-coronal preparation
E. None of the above