Your mouth is
the gateway to your body.
Longevity dentistry is just dentistry that takes the rest of you seriously. Salivary testing, periodontal (gum) disease, mercury-free dentistry, biomimetic restorations, cold sores — and what each one can tell us about the body the mouth belongs to.
Smiles by Goh practices biological, whole-body dentistry in Henderson, NV — mercury-free fillings, biocompatible metal-free materials, and care that treats the mouth as part of the body's larger systems. Dr. Irwan Goh calls it longevity dentistry: watching for oral-systemic signals that often surface in the gums before they surface anywhere else.
Heart. Brain. Sleep. Skin. Gut.
Every system you care about runs
through the tissue we look at every day.
Look, I spent most of my career in a system that treated the mouth like it lived in a drawer by itself. It doesn’t. The science is just slow to reach the dental chair.
Inflammation that starts at the gum line doesn’t stay there. Bacteria that live above the gum can move below it, and researchers have traced them into the bloodstream, into arterial plaque, into the gut. A clenched jaw that narrows the airway night after night loads the heart and the brain quietly, year by year. The mouth isn’t the beginning of those stories — but it is often where we’d catch them first.
“Truly, truly — your mouth is the gateway to your body. We’re here to guide you to be a better and stronger version of yourself.”— Dr. Irwan Goh
What happens in the mouth rarely stays there.
Six systems. Each one sits downstream of the mouth. Each one shapes what we screen for at your next visit — and sometimes, what we find changes the conversation beyond dentistry.
Gum-line bacteria have been found in arterial plaque. Calm the gums, and inflammation markers often fall too.
Untreated sleep apnea is linked to memory, mood and blood pressure. We screen for the signs at every visit.
Oral bacteria travel downstream and can colonize the gut. The mouth is the gateway, not just a door.
Crowded arches can narrow the airway. Invisalign® and Vivos® may help open it — often at any age.
How the jaw closes affects how the neck holds the skull. TMD care can reach further than you'd think.
A cold sore stopped in the prodrome is one less inflammation event this month. Longevity work compounds in small increments. The diode laser takes sixty seconds.
How we
actually screen.
A few protocols carry most of the longevity work. They’re built into how we run a visit — not layered on top. If something specific applies to you, we’ll say so and explain why before anything else happens.
Bacterial &
salivary biology.
A simple oral rinse, sent to OralDNA® Labs. It reads which bacteria actually live in your mouth — the ones linked to gum disease, inflammation, and the oral-systemic connections we watch for — plus a genetic marker (interleukin-6) that shapes how strongly your body responds to them. It can flag bacterial risk before changes show on an X-ray. Pairs naturally with custom Perio Protect® trays for at-home delivery between visits.
Laser hygiene, every cleaning.
Every hygiene visit ends with a diode-laser pass — bacterial reduction at the gum line, and gentle care of any inflamed pocket. It's our standard of care, not an upcharge. Many patients notice less bleeding and a lower bacterial load between visits.
Custom Perio Protect® trays.
For patients with active periodontal disease or oral-systemic risk, we mold a custom clear tray that delivers prescription gel below the gum line at home — where much of the bacterial work lives between visits. Pairs with our salivary testing.
Biomimetic & minimally invasive.
We don't drill teeth we don't have to. Bonded restorations that flex with the natural tooth, kept as small as the decay allows. Crowns are the last move, not the first.
Mercury-free, by choice.
All restorations are tooth-colored composite or ceramic — we've never placed an amalgam filling here. If you have old silver fillings that need replacing, we remove them carefully and restore mercury-free.
If your gums are inflamed,
we already have the laser out.
Gum disease is the silent finding. Studies put it in roughly half of American adults over thirty — and most don’t know they have it. Every hygiene cleaning here ends with a diode-laser pass to treat inflamed pockets and lower bacteria at the gum line. When the disease is further along, the laser often does the heavier lifting — targeted, conservative, and typically less downtime than traditional gum surgery.
Cold sores,
walked in. Walked out.
If you feel a cold sore coming, call. A 60-second diode-laser treatment within the first 24 hours often stops it from blistering at all — no prescription, no pill to remember. Many patients say the tingle is gone before they leave the chair.
It’s a small thing. But a cold sore stopped before it blisters is one less inflammation event in your body this month — and that’s how longevity work compounds. One calm trigger at a time.
Frequently asked.
5 questionsA longevity
conversation.
If oral-systemic care is new to you, start here. We’ll walk you through how we screen, what we test, and what we’d watch over the next year — no commitment to start treatment. If airway or sleep is part of what brought you here, that conversation fits right inside this one.
your first full visit — whole-body, oral-systemic health