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
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Access opening
Proper access is the key to successful cleaning and shaping
of root canals. While the entire roof of the pulp
chamber often has to be removed, the outline of the
access cavity is dictated by the number and position of
the root canal orifice(s)
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