Medicare Advantage Dental Coverage: What to Check Before You Enroll

Medicare Advantage dental coverage is now offered by nearly all plans, but what it pays for, and up to what limit, is set plan by plan.1,2 If you're comparing plans this fall mostly for the dental benefit, the good news is that federal rules make every plan spell out its dental limits, costs and conditions in writing, so you can line plans up side by side before Open Enrollment closes on December 7.3

In This Guide

• Two Kinds of Dental Coverage in Every Medicare Advantage Plan
• What Your Plan Has to Tell You About Its Dental Benefit
• How to Compare Medicare Advantage Dental Coverage, Line by Line
• Built-In Dental vs. an Optional Dental Rider
• Do Unused Dental Benefits Roll Over?
• Using Plan Finder Without Relying on It
• Checking That Your Dentist Can Be Paid
• When You're Not Sure the Plan Will Pay
• When You Can Switch Plans for Dental
• If You Have Medicaid Too
• Frequently Asked Questions
• Learn More

Two Kinds of Dental Coverage in Every Medicare Advantage Plan

Medicare Advantage plans are Medicare-approved plans run by private companies, and they have to cover everything Original Medicare Part A and Part B cover, with a few exceptions such as hospice. Plans can also add benefits Original Medicare doesn't cover, and Medicare's own materials name some dental services among those extras.3 So a plan's dental coverage can come in two separate layers, and the ads usually talk about only one of them.

The first layer is the dental care Original Medicare itself covers. Original Medicare doesn't pay for most routine dental care, such as cleanings, fillings, extractions, dentures and implants.7 Original Medicare does pay for dental services that are tied to certain covered medical treatments, such as the dental exam and treatment to clear an infection before an organ transplant, a heart valve replacement or cancer chemotherapy, and for the hospital stay when a dental procedure has to be done as an inpatient because of your medical condition or the severity of the procedure.7 Under 42 CFR 422.100, a Medicare Advantage plan must cover all Part A and Part B services as its "basic benefits," so those Medicare-covered dental services are part of every plan.4 Our guide to what dental care Original Medicare covers walks through that list.

The second layer is the routine dental benefit a plan advertises. Federal rules say supplemental benefits must be benefits "not covered by Medicare," so a plan's cleanings, fillings or denture coverage, and any dollar limit on it, sits on top of the plan's obligation to cover the dental services Original Medicare covers rather than replacing it.4 So if your mother needs a dental infection cleared before a heart valve replacement, whether that care is covered doesn't depend on how much of her plan's dental allowance is left.

What Your Plan Has to Tell You About Its Dental Benefit

You don't have to rely on a sales flyer to learn what a plan's dental benefit covers. Federal rules at 42 CFR 422.111 require every Medicare Advantage plan to give its members a description of the plan when they enroll and at least once a year after that, by the first day of the fall enrollment period.2 For extra benefits like dental, that description has to include:

• the supplemental benefits the plan offers, built in or optional, and the conditions and limits on using them
• the premium for any optional benefit, such as a dental rider
• if the plan pays extra benefits through a debit card, which benefits the card can be used for
• the prior authorization rules and other reviews you must meet for a service to be paid2

Medicare says your plan sends this detail in its Evidence of Coverage (EOC) each year, usually in the fall, and that the EOC explains what the plan covers and how much you pay.2 Current members also get an Annual Notice of Change each fall listing any changes in coverage and costs that take effect in January, and Medicare's advice is simple: if you don't get it, contact your plan.8 If you're already in a plan, read the dental part of that notice first, because a benefit you counted on this year may look different in January. Our guide to reading the Annual Notice of Change covers the rest of it.

If you're shopping for a plan you're not in yet, ask that plan for the coming year's dental details in writing, and compare them against the questions below.

How to Compare Medicare Advantage Dental Coverage, Line by Line

Not every Medicare Advantage plan offers dental, and Medicare points you to the plan itself for the details of what it covers, so a "typical" dental limit or copay won't tell you much about the plans in front of you.7 What you can do is ask the same questions of every plan on your list and find each answer in that plan's EOC, since federal rules require the plan to describe its benefits' conditions and limits, cost sharing, rider premiums and prior-authorization rules.2

Two rows deserve a closer look, because they trip people up after they've already enrolled: the difference between built-in dental and a rider, and what happens to dental money you don't spend by the end of the year.

Built-In Dental vs. an Optional Dental Rider

Some plans include dental for every member, which the rules call a mandatory supplemental benefit. Others sell it as an optional supplemental benefit, often called a dental rider, that you choose to add and pay for yourself.5 The regulation that allows riders, 42 CFR 422.102, doesn't say when you can add or drop one. Those timing rules come from CMS guidance to plans, its Medicare Managed Care Manual, and they work like this:5

• Adding a rider: a plan must offer its optional benefits to all members at the start of the plan year, and to new members when they first enroll. After that, a plan can keep the rider open all year, or close it to a new member once a selection period of at least 30 days has passed.
• Dropping a rider: you can drop it at any time during the year with advance notice to the plan, typically 30 days, and stop paying its premium. If you paid a full year's premium up front, you're owed a pro-rated refund for the rest of the year.
• Stopping payment instead: CMS guidance points to its involuntary disenrollment rules when someone doesn't pay a rider premium on time, so the safer way out is to give the plan notice rather than simply stop paying.
• Waiting periods: plans may put a waiting period on an optional rider, but not on a mandatory supplemental benefit.5

That last point matters if you know you'll need major work soon. A waiting period on a rider can delay coverage for the very service you bought it for, so read the rider's terms for any waiting period before you choose a plan because of its rider.

Do Unused Dental Benefits Roll Over?

For dental money a plan builds into every member's coverage, generally no. Federal rules say that when a plan offers a mandatory supplemental benefit as a fixed allowance, or reimburses you through a debit card or other means, the money "must be limited to the specific plan year."5 Federal Medicare Advantage rules also require debit cards used for a plan's built-in (mandatory) supplemental benefits to be limited to the plan year, so unused dental allowance dollars on such a benefit do not carry into the next year.5 Those rules are written for built-in benefits. If your dental comes from an optional rider, check the rider's own terms in the EOC for whether and when its limit resets.

A "flex card" is one version of this. It's a prefunded debit card that some Medicare Advantage plans issue for their own extra benefits, and CMS guidance names supplemental dental among the benefits such a card can pay for. It isn't a feature of Original Medicare.9 Our flex card guide explains how those cards work and what the ads leave out.

Plans also no longer have to remind you about dental benefits you haven't used. CMS's Contract Year 2025 rule would have required plans to send each member a personal notice between June 30 and July 31 listing the extra benefits they hadn't used yet. CMS's Contract Year 2027 final rule rescinded the requirement that Medicare Advantage plans send members a mid-year notice of unused supplemental benefits, effective June 1, 2026, before the first notice was due.6 If you want your cleanings and fillings before the plan year ends, keep track of what you've used yourself.

Using Plan Finder Without Relying on It

Medicare Plan Finder at Medicare.gov/plan-compare is the place to start. Medicare says you can compare plans side by side there and may be able to find plans that offer extra benefits that matter to you.10 The Medicare Payment Advisory Commission (MedPAC) noted in June 2026 that Medicare Plan Finder has limited detail about Medicare Advantage supplemental benefits.10 Use Plan Finder to narrow your list to plans with dental in your area, then pull each finalist's EOC to compare the dental details in the table above.

Checking That Your Dentist Can Be Paid

Ask the plan, or check its directory, whether the dentist you want to keep is in the network. Medicare's general network rules are a useful starting point: in an HMO, you generally must get care from providers in the plan's network, and if you go outside it you may have to pay the full cost; in a PPO, you can also use out-of-network providers for covered services, but only if they participate in Medicare or accept assignment, and you'll usually pay more. Medicare tells PPO members to contact the plan before getting services from an out-of-network provider, to confirm the services are medically necessary and covered.11 How those rules apply to a plan's dental benefit is spelled out in its EOC. Our guide to HMO and PPO plans compares the two in more detail.

For the Medicare-covered dental layer, there's one more check. Federal rules let dentists opt out of Medicare.12 A Medicare Advantage plan can't pay a dentist who has opted out for Medicare-covered services, except for emergency or urgent care in limited cases.13 If you expect to need dental care tied to a medical treatment, such as before a transplant or cancer treatment, ask the dentist whether they've opted out of Medicare before the work starts. Our guide to what happens when a doctor has opted out of Medicare explains the private-contract rules.

When You're Not Sure the Plan Will Pay

The dental care most likely to fall in a gray zone is the Medicare-covered kind: dental work tied to a medical treatment, which is covered only when its conditions are met. For a service that usually isn't covered but could be under certain conditions, and CMS's own example is dental care needed to treat an illness or injury, CMS guidance says the plan's EOC alone is not adequate notice that the service isn't covered.14 The guidance says the right step is for you, or a provider acting on your behalf, to ask the plan for a coverage decision before the service, which the rules call a pre-service organization determination.14

You can make that request to the plan orally or in writing. If the plan says no to a service it's asked to decide on, it has to send a written notice with the specific reasons and your right to ask it to reconsider.14 Asking first means you know where you stand before the work is done. If the plan turns down dental care that Original Medicare would cover, our guide to Medicare Advantage denials walks through the appeal.

A denial of routine work under the plan's supplemental dental benefit, such as a crown or a second cleaning, can be appealed too. Under 42 CFR 422.566, a plan's decisions about the benefits you're entitled to include its mandatory and optional supplemental benefits, and CMS's appeals guidance says the managed care appeal procedures apply to all benefits a Medicare Advantage plan offers, including optional supplemental benefits.15 The first level is a reconsideration, where you ask the plan to review its own denial.15 You, your representative, or your provider must file it within 65 days from the date on the plan's initial denial notice, and if you miss that deadline you must give a reason for filing late.16

If a separate dental company handles your plan's dental claims, the plan is still on the hook. CMS guidance says a plan that hands these appeal duties to another company remains responsible for making sure the requirements are met.15 One exception: CMS's appeals guidance doesn't cover decisions on benefits an employer buys over and above the plan's Medicare-approved package, so if an employer pays for extras on top of your plan, ask the plan which process applies to those.15 Whatever the denial, keep a copy of the notice and anything you send back.

When You Can Switch Plans for Dental

During Open Enrollment, October 15 through December 7, anyone with Medicare can join, switch or drop a Medicare Advantage plan, and the new coverage starts January 1 as long as the plan gets the request by December 7.3 If you're already in a Medicare Advantage plan, you get one more chance from January 1 through March 31 to switch to another Medicare Advantage plan or go back to Original Medicare, with the change taking effect the first of the following month.3 Our Open Enrollment guide covers the other changes you can make this fall.

If you're thinking of leaving Medicare Advantage for Original Medicare, keep the dental tradeoff in mind. A Medigap policy helps pay your share of costs for Medicare-covered care, but it generally doesn't cover routine dental care.17 Our comparison of Original Medicare and Medicare Advantage looks at the whole decision, not just dental.

If You Have Medicaid Too

If you have both Medicare and Medicaid, you may be looking at a Dual Eligible Special Needs Plan (D-SNP). Dental in a D-SNP is an ordinary supplemental benefit, the same kind any Medicare Advantage plan can offer, so check its EOC the same way.5 Medicaid adult dental is a state choice with no federal minimum, and CMS tells people with both programs to check with their state Medicaid agency about what dental services it covers.18 Our guide to Medicare Special Needs Plans explains how these plans work.

Whatever your situation, you can get free help comparing plans. Your State Health Insurance Assistance Program (SHIP) gives free, personalized counseling to people with Medicare and their families, including help choosing a plan, and you can find your local SHIP's phone number at shiphelp.org.19 SHIPs aren't connected to any insurance company or health plan.20 See our guide to free SHIP counseling.

Learn More

Find personalized help comparing Medicare Advantage dental benefits at brevy.com.

The information on Brevy.com is for educational purposes only and is not a substitute for professional legal, financial, or medical advice. Rules vary by state and program and change frequently. Always verify with the relevant agency or a qualified professional. Brevy is not a law firm, financial advisor, or healthcare provider.