Classification Proposal to measure extension defects of endodontically treated anterior teeth
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Summary: A classification of the extension defects of
endodontically anterior teeth is presented. This classification is based on the amount of remanent
coronal tooth after an essential treatment has been done, such as: root canal therapy, removal of
carious tissue, periodontal surgery whenever needed and tooth preparation either for the placement
of a direct restoration material such as composite or a post and core and full crown restoration.
This classification is based on 3 specific variables: supragingival remaining coronal tooth
structure or core height, diameter and root canal depth. Key words: Post and core. Root canal
treatment. Diagnostic.
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