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

1 Answer

Answer :

B. The age and shape of pulp chamber; in addition to the direction of individual root canals.

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