
The missing domain in longevity medicine
Oral health is one of the most accessible and underused windows into systemic health. Longevity centers already report a patient's epigenetic age, cardiovascular age, metabolic age, and cognitive age, a full picture of biological aging with one consistent omission. The Smile Longevity Lab brings a structured, clinician-grade Oral Biological Age Score directly into that workflow, built from a full, holistic assessment across inflammation, oral environment, dentition, and mucosal health, no X-rays required. A hygienist-led chairside screen adds it to your existing workflow in under 20 minutes. No specialist required.
It's an assessment and point-of-care test, run entirely by the hygienist chairside in 20 minutes. The platform scores it into an Oral Biological Age and flags what needs attention. Then your longevity doctor reviews every result and decides what happens next. The tool assesses; your clinician validates.

Precision diagnostics · longitudinal vigilance
A single, trackable score built from real chairside findings: inflammation, oral environment, dentition health, and mucosal screening, benchmarked against validated age norms. A structured input for your clinical team, not a standalone diagnosis.
Inflammation, oral environment, dentition longevity, and mucosal triage are each scored, then weighted into a single OBAS. Anything outside normal range is flagged for your doctor’s review and never acted on by the platform alone.
Longevity centers add OBAS as a new billable chairside service, run by staff already on hand, with no new equipment or specialist hire. It differentiates your program with the one biological age no one else reports, and it is live in under 20 minutes per patient.
Every assessment produces three things: a clinical picture for your team, a plain-language report for the patient, and a simple path to improve it.
A hygienist captures inflammation, oral environment, dentition, and mucosal findings chairside in 20 minutes. The platform scores each domain and calculates an Oral Biological Age.
Your longevity doctor receives a full clinical handover. Your patient receives a plain-language report, free of raw numbers and jargon, showing where they stand today.
A short, focused action plan for your doctor to guide the patient with. Never more than a handful of steps, aimed at the score that actually matters, and re-checked at the next visit to show real change.
Example: what a patient sees
The Smile Longevity Lab
Day 12 of your protocol
Chronological age: 58
This week's focus

Dr. Tatiana Sperling has spent twenty years leading her own dental clinic, twenty years that deepened a conviction: oral health sits at the heart of systemic longevity. That conviction led her to found The Smile Longevity Lab and develop OBAS, the clinical bridge between oral health and longevity medicine. She holds an MBA in Healthcare and Innovation, pairing that clinical depth with the strategic grounding to bring it to more centers. Twenty years running her own clinic means she has sat on the other side of this exact decision, and built OBAS to fit into a real practice, not around one.
Read her full storyNo new hardware, no new hire. A straightforward path from first call to live with patients.
We learn your workflow and confirm OBAS fits your program.
Set up into your existing intake. No new devices, just point-of-care test strips sourced directly.
Under an hour to get your existing staff running assessments.
Start billing OBAS as a new chairside service right away.
Why oral health is essential in a complete longevity approach.
Voices from the published literature on oral–systemic health, periodontal inflammation, and the human microbiome: the foundations our scoring framework is built on.
Oral health is more than periodontal disease. Inflammation, oral environment, dentition longevity, and mucosal health each carry their own measurable link to longevity, from the inflammatory burden that shapes cardiovascular risk and cognitive decline, to tooth loss as a marker of nutritional and cognitive health, to early mucosal screening. Scoring all four domains, not just one, is what completes the picture most longevity programs still report without it. For a high-level longevity center, that completeness is exactly what a sophisticated client has come to expect.

J. Craig Venter, PhD
Genomics researcher · Founder, J. Craig Venter Institute
The oral cavity is a primary gateway to the body.

David A. Relman, MD
Thomas C. and Joan M. Merigan Professor of Medicine and Microbiology, Stanford University
Humans are composites of microbial and human cells functioning together.
Photographs sourced from official faculty pages and Wikimedia Commons. Quotations represent positions documented in each researcher's published work and do not constitute an endorsement of The Smile Longevity Lab.
The science behind oral biological age.
Plain answers to the questions longevity centers and clinicians most often ask, about the evidence behind oral biological age and what adopting it actually involves.
The mouth is one of the body's primary entry points and houses one of its densest microbial communities. Inflammation, infection, or microbial imbalance there does not stay local; it interfaces directly with the bloodstream, the immune system, and the airway. Modern research treats oral health as part of systemic health rather than a separate specialty.
We know periodontal disease is linked to elevated risk for cardiovascular disease, type 2 diabetes, adverse pregnancy outcomes, and certain cancers, consistently across large, independent, long-term studies. That consistency is what makes oral inflammation a credible early signal, one longevity medicine is increasingly building into a complete risk picture.
Tracking the same biomarkers over time turns isolated readings into a trajectory. That makes it possible to detect early drift before clinical disease appears, evaluate whether interventions are actually working, and interpret findings against an individual's own baseline rather than a population average. This is the same logic that already underpins how clinicians monitor blood pressure, HbA1c, and cholesterol.
No. The chairside assessment uses standard hygienist tools and takes 20 minutes, with no X-rays, no new devices, and no added equipment budget.
No. Your existing hygienist runs the assessment after a short training session, usually under an hour. No specialist or new hire required.
A periodontal exam produces a chart note. OBAS produces a structured, trackable score across four domains, a plain-language patient report, and a doctor-reviewed action plan, repeatable at every visit to show real change.
No. The basic chairside kit is simple and inexpensive: a mirror and probe for the hygienist, Berkeley nitric oxide test strips, and the GC Saliva-Check Buffer test, all standard, widely available point-of-care supplies any clinic can order directly. For a more precise assessment, clinics can add a premium salivary panel such as Oral Genome or Bristle. Our platform interprets the results either way, turning whatever tier you choose into the same structured score and report.