Abstract
Intro
The purpose of this study was to identify possible associations between classification,
treatment, and one-year outcome of external cervical resorption (ECR) lesions using
the Heithersay and Patel systems. Performance of the Patel 3-dimensional classification
system was also evaluated.
Methods
A chart review identified 142 cases of ECR over a twelve-year period. Information
regarding demographics, predisposing factors, lesion classification, treatment, and
outcomes were collected and analyzed. Inter- and intra-observer reliability analyses
were conducted for both classification systems.
Results
There were 72 cases with at least one year of follow up. 70% of these cases survived.
Treatment recommendations were correlated with both Heithersay and Patel classification.
There were no correlations found between one-year outcome and either classification
or treatment done. The weighted reliability analysis showed substantial agreement
in both classification systems for both inter- and intra-observer agreement. There
was a significant association between the two systems, however the Heithersay system
tended to underestimate the apical extent of the lesion.
Conclusions
Periodic review of ECR lesions presents as a viable treatment option, at least for
one year after diagnosis. The Patel 3-D classification system is at least as effective
as the Heithersay system and should be used in future ECR prognosis studies. Further
long-term outcome assessments are still needed.
Keywords
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Article info
Publication history
Accepted:
March 4,
2023
Received in revised form:
February 28,
2023
Received:
December 31,
2022
Publication stage
In Press Accepted ManuscriptFootnotes
CRediT Author Contribution Statement
Schuyler DeLuca: Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Resources, Validation, Visualization, Roles/Writing- original draft, Writing- review & editing. Andrew Choi: Data curation, Investigation, Validation, Writing- review & editing. Sarah Pagni: Formal analysis, Methodology, Resources, Software, Visualization, Writing- review & editing. Elinor Alon: Conceptualization, Methodology, Project administration, Supervision, Validation, Writing- review & editing.
Identification
Copyright
© 2023 Published by Elsevier Inc. on behalf of American Association of Endodontists.
