Can dental EHR data support a learning health system? Completeness, consistency, and accuracy of structured versus narrative diagnoses

Introduction Electronic health record (EHR) data increasingly drive quality monitoring and research, yet their reliability in dentistry is uncertain. We compared the completeness, consistency, and accuracy of periodontal diagnoses captured in two different formats (structured fields versus narrative notes) across two academic dental centers sharing the same EHR platform and diagnostic terminology. Methods In this retrospective study of qualifying periodontal encounters (2021), structured diagnoses were extracted by SQL and narrative diagnoses by a fine-tuned RoBERTa NLP model. A random sample

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