Health insurance protects you from catastrophic cost. Dental insurance does close to the opposite: it covers small things generously and large things barely. Understanding that inversion is most of what you need.
The four numbers that define your plan
- Annual maximum. The most the plan will pay in a calendar year, typically $1,000 to $2,000. This number has barely moved since the 1970s. Everything past it is yours.
- Deductible. Usually $50 to $150, and usually waived for preventive care.
- Coinsurance tiers. The classic split is 100 percent of preventive, 80 percent of basic, 50 percent of major. Hence "100/80/50".
- Waiting periods. Six to twelve months before basic care is covered and often twelve before major work. Designed to stop people buying a plan the week before a crown.
Which tier is which
| Tier | Typical coverage | What is in it |
|---|---|---|
| Preventive | 100% | Two cleanings a year, exams, X-rays, fluoride, sealants for kids |
| Basic | 80% | Fillings, simple extractions, some root canals, deep cleanings |
| Major | 50% | Crowns, bridges, dentures, implants where covered at all, surgical extractions |
| Orthodontic | 50% to a separate lifetime cap | Braces and aligners, frequently age-limited |
Plans differ on which tier a procedure falls into. Root canals in particular float between basic and major depending on the carrier, and that single classification can be a $600 difference on the same tooth.
The planning move that saves the most money
Annual maximums reset on the plan year and do not roll over. If you need $3,000 of work and your maximum is $1,500, splitting the treatment across two plan years, say a crown in December and the next in January, can nearly double what the plan pays. Ask the office to sequence it that way. Any reasonable practice will, and most will suggest it before you do.
Ask for a pre-treatment estimate on anything over roughly $500. The office submits the plan to the carrier and gets back a written estimate of what will be paid. It is not a guarantee, but it converts a surprise into a number.
In network, out of network, and the third thing
In-network dentists have agreed to a fee schedule, so you pay a percentage of a discounted fee. Out-of-network dentists have not, so you pay a percentage of the carrier's "usual and customary" figure, which is often lower than the real bill, and you owe the difference. The third case, a practice that "accepts" your insurance but has no contract, means they will file the claim for you and nothing more. Always ask which of the three you are dealing with.
Discount plans and DPC are not insurance
Dental discount plans charge an annual fee for access to a reduced fee schedule. No maximums, no waiting periods, no claims, and no one paying anything on your behalf. For someone facing a large one-off treatment with no existing coverage, the arithmetic can beat a real policy. Just be clear about what you bought.
If you have no coverage at all
Adult dental benefits under Medicaid vary state by state, and the current scope of what each state covers is tracked on the federal Medicaid dental care benefit page. Marketplace plans handle dental separately from medical, explained on HealthCare.gov's dental coverage page. Below both of those sit federally qualified health centers with sliding-scale fees, searchable through the HRSA locator.
To see what a specific treatment plan costs you after your deductible, tier, and remaining annual maximum, run it through our dental insurance estimator.