Part III — Clinical Biomarkers, Diagnostic Signatures, and Systemic Phenotypes

January 29, 2026

·S. Thaddeus Connelly, DDS, MD, PhD, FACS

As periodontitis advances beyond a localized dysbiosis of the oral microbiome, it generates a constellation of measurable clinical signatures that reflect deeper disruptions in immune signaling, metabolic regulation, and systemic communication. Within the Epoch #4 framework, periodontal disease is understood not simply as a microbial burden or an inflammatory lesion, but as a dynamic, state-dependent disorder of biological information and energy flow. Clinical biomarkers therefore function as readouts of how microbial biofilms, host immunity, and metabolic systems interact across scales.

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The complete article — figures, references, and clinical commentary — is published in The Oral Health Bulletin on LinkedIn.

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