Your Saliva May Soon Become a Routine Diagnostic Tool at the Dentist's Office

In June 2026, the American Dental Association held a summit in Chicago dedicated entirely to salivary diagnostics.

Dental researchers, clinicians, industry leaders, and other stakeholders gathered to discuss the potential for saliva-based tools to move from emerging science into routine dental practice, addressing the scientific, regulatory, and clinical steps needed to support broader use of saliva-based testing.

The central theme was not whether the science exists, but how to put it into action.

The key question that emerged was how dentistry can develop standards, workflows, evidence-based guidance, and regulatory approval pathways that allow dentists to use salivary testing in a consistent and reliable way.

Experts noted that saliva is already known to play a protective role in the mouth — from neutralizing acids to supporting the oral microbiome — and that its diagnostic potential extends well beyond the oral cavity.

Research has shown that salivary diagnostics show promise for monitoring systemic conditions such as diabetes and cardiovascular disease, and saliva has been explored for detecting certain cancers as well.

For patients, this shift could eventually mean that a routine dental visit involves more than a cleaning and a check for cavities.

By integrating salivary diagnostics into routine hygiene care, dentistry could bridge the gap between oral health and primary medical care, positioning dentists as an early line of defense for overall health.

Saliva has drawn scientific interest as a diagnostic fluid because of its ease of collection, non-invasive nature, and its ability to detect biomarkers such as proteins, antibodies, and genetic material.

For now, widespread chairside salivary testing is still in development, and no FDA-approved tests for conditions like periodontal disease or oral cancer are yet available for routine use.

Summit keynote speaker Dr. Débora Heller, a leading figure in salivary research, told attendees that the science has arrived and the goal is to move it from evidence to implementation.

Patients interested in this area can ask their dentist about current uses of salivary testing and what developments to watch for in the coming years.