Does Medicare cover dental in Arizona?

No — and it is not a loophole or an oversight. Original Medicare has excluded dental work since the day it was written in 1965, and that exclusion still covers cleanings, exams, fillings, crowns, root canals, extractions, dentures and implants. Part B will pay for a small, strictly medical list of dental procedures, and nothing else.

That is the whole answer to the search. The useful part is what comes next: nearly every Medicare Advantage plan sold in Maricopa County adds a dental benefit, a separate dental policy is the other route, and the two are not interchangeable. I have this conversation most often with people in north Peoria who moved here in the last few years, still hold a plan they bought in another state, and have just been handed a treatment plan for a crown.

Does Medicare cover dental? The short version

The exclusion is statutory. Section 1862(a)(12) of the Social Security Act bars Medicare from paying for “services in connection with the care, treatment, filling, removal, or replacement of teeth.” Congress wrote that in 1965 and has not undone it, so no amount of medical necessity turns a root canal into a covered service.

What that means at the chair, if Original Medicare is all you have:

• Routine and preventive — cleanings, exams, x-rays, fluoride: not covered.
• Basic restorative — fillings, simple extractions: not covered.
• Major work — crowns, bridges, root canals, dentures, implants: not covered.
• Anything cosmetic — never covered, and not a close call.

Your Part A and Part B benefits are otherwise identical whether you live in Peoria, Anthem or Pennsylvania. This is one of the larger items on the list of what Medicare does not pay for, and it is worth knowing about before it is urgent rather than after.

The narrow list Medicare really does pay for

There is a genuine exception, and it is medical. Medicare can pay for dental services that are, in the agency’s phrasing, inextricably linked to and substantially related and integral to the clinical success of a covered medical treatment. CMS has been widening the list of recognised examples through its physician fee schedule rules over the last several years.

As things stand, the recognised scenarios include:

• A dental exam and the treatment of oral infection before an organ transplant — originally kidney transplants only, since widened to organ transplants generally.
• A dental exam before cardiac valve replacement or valvuloplasty.
• Dental exams and treatment before or during head and neck cancer treatment, and treatment of the dental complications that follow radiation or chemotherapy.
• Exams before chemotherapy, CAR T-cell therapy and bone-modifying agents used in cancer care.
• Since January 2025, exams and infection treatment before dialysis for end-stage renal disease.
• Longstanding items such as tooth extraction to prepare the jaw for radiation, ridge reconstruction performed during tumour removal, and wiring the teeth after a jaw fracture.

Part A can also pay when a dental procedure itself requires a hospital admission — because of the severity of the procedure or the patient’s underlying condition — though that pays for the hospitalisation rather than for the dental work.

Notice what every one of those has in common. The dental work is a prerequisite for something else Medicare covers. None of it helps with a cracked molar.

What a plan’s dental benefit actually is

This is where nearly everyone in Maricopa County ends up, because Medicare Advantage plans are permitted to offer supplemental benefits and dental is the most popular of them.

So “includes dental” is close to universal and tells you almost nothing. The questions that separate one plan’s dental benefit from another’s are these five, and they are all answerable from the plan documents in about ten minutes:

1. Preventive only, or comprehensive? Two cleanings a year is a different product from a benefit that pays half of a crown.
2. What is the annual maximum the plan will pay? Every dental benefit has a ceiling, and it resets each January.
3. What percentage does the plan pay on major work, and does that percentage step down by category?
4. Are dentures and implants inside the schedule or excluded? They are handled very differently plan to plan.
5. Which dentists are in the dental network? Which brings us to the local part.

And one framing point, because it gets sold badly: a dental allowance inside a Medicare Advantage plan is not a gift. It is part of a benefit package the plan builds within what Medicare pays it for your care, and a plan that spends more on dental has made trade-offs somewhere else — often in the medical network, the copay schedule or the drug tiers. It belongs in the comparison as one line item, not as the tiebreaker.

The Peoria wrinkle: the dental network is not the medical network

Here is the detail that catches people, and it catches them here more than most places.

A Medicare Advantage plan’s dental network is usually administered separately from its medical network. Your primary care doctor being in the plan means nothing about your dentist, and the dentist you have used for eleven years can easily sit outside the dental network of a plan whose medical side fits you perfectly.

That matters in Peoria for a specific reason. The city runs close to thirty miles north to south, and the two ends of it live differently. Up in the 85383 corridor — Vistancia, Trilogy, Blackstone, the newer stretch along Lake Pleasant Parkway — a lot of households arrived in the last few years, have a dentist they picked recently and are not especially attached to them. Down in the 85345 core and around Westbrook Village, people have been with the same dentist since the practice opened, and would sooner change plans than change chairs.

Two more local specifics worth building into the check:

• Specialist dental work follows the same drive everyone else here already makes. Oral surgeons, periodontists and prosthodontists cluster around Arrowhead and down into Sun City rather than in north Peoria itself. A dental network that looks fine for cleanings near home can thin out considerably for the implant consult twenty minutes south.
• The Peoria–Glendale–Sun City seam does what it always does. Neighbours a mile apart compare notes on what their plan paid toward a crown and reach different answers, because they are not on the same plan — plan availability is set county by county, but the plan each of them actually picked is not. If you are on the Glendale side of that seam, that page is the local one; if you are on the Peoria side, start here.

Sources: Medicare.gov dental service coverage; CMS dental payment policy; KFF analyses of dental coverage in traditional Medicare and of Medicare Advantage supplemental benefits. Plan and policy specifics vary — always read the schedule for the plan in front of you.

If you have a Medicare Supplement instead

Plenty of households in Peoria and up in Anthem hold Original Medicare plus a Medicare Supplement, and that is often the right structure — particularly for anyone who spends part of the year out of state, since a supplement has no network anywhere in the country. But a supplement covers your share of what Medicare covers, and Medicare does not cover dental. Plan G does not pay for a crown any more than Part B does.

So for that household the dental question is a separate purchase, not a plan feature. That is not a reason to move to an Advantage plan — trading a medical structure that suits you for a dental allowance is the tail wagging the dog, and the full comparison is in Medicare Advantage versus Medigap. It is a reason to price a standalone dental policy on its own merits, and to know that these policies carry their own networks, annual maximums and waiting periods before major work is covered.

Dental is one of several lines that sit around Medicare rather than inside it — dental, vision and hearing coverage; hospital indemnity; cancer, heart attack and stroke plans; short-term home health. They are worth understanding as a group, because the households that need one often need another, and none of them is a substitute for getting the medical plan right first.

What the gap costs when nobody plans for it

KFF’s work on traditional Medicare found that about half of people with Medicare had not had a dental visit at all, that cost was a major barrier for those who went without, and that among people who did use dental services, average out-of-pocket spending was $874 — and that figure is from 2018, before several years of dental price increases.

That is the number to hold in mind, because it is an average across everyone, including the people whose year was two cleanings. A single crown, a root canal or an implant sits well above it. Dental is not usually the item that wrecks a retirement, but it is very reliably the item nobody budgeted for, and it lands in the same years as everything else on the list of things Medicare leaves you — including custodial long-term care, which our cost of care tool prices out for Arizona.

How to check your own situation in fifteen minutes

Whether you are shopping in the fall or just want to know where you stand:

1. Ask your dentist’s front desk which plans they are contracted with for the coming year — by plan name, not by insurance company. They answer this question every day and they will know before you do whether a contract is changing.
2. If you are already in a Medicare Advantage plan, find the dental section of your Evidence of Coverage and write down three things: the annual maximum, the percentage paid on major work, and whether dentures and implants appear at all.
3. Watch for the Annual Notice of Change, which arrives by the end of September. Dental benefits are among the pieces plans adjust most freely from one year to the next, and the change is easy to skim past.
4. Do not shop dental first. Settle the medical side — your doctors, your prescriptions, your hospital system — using your own ZIP code, then compare the dental schedules of the plans that survived. The plan type finder is a six-question start if you are not sure which route fits you. How Advantage networks are drawn explains why the medical side has to come first.
5. If you hold a supplement, price a standalone dental policy separately, and do it before you need work rather than the week the treatment plan arrives.

Then, if you want somebody to check the dental schedules of the plans available at your address against the dentist you actually see, that is a short conversation rather than an afternoon with PDFs. The office is in Anthem — about 25 minutes from north Peoria, out the Carefree Highway and down Lake Pleasant Parkway — and most of this gets done by phone anyway. Call (602) 844-6002 or book a time. By calling or texting you agree to be contacted about your Medicare options; there is no cost and no obligation, and if the answer is that your current plan already handles it, that is what you will hear.