Dental insurance works differently from health insurance. Instead of protecting you from catastrophic costs, most dental plans pay a share of routine and restorative care — up to a yearly limit. Two concepts explain nearly every dental bill: the coverage percentages and the annual maximum.
The 100-80-50 structure
Many dental PPO plans group services into three classes and pay a different share for each:
| Class | Examples | Plan commonly pays |
|---|---|---|
| Preventive | Cleanings, exams, routine X-rays | 100% |
| Basic | Fillings, simple extractions | 80% |
| Major | Crowns, bridges, dentures | 50% |
Plans vary — some pay less, and some classify root canals as basic while others call them major. Check each plan's classifications.
What the annual maximum is
The annual maximum is the most the plan will pay for your care in a plan year. Once it is reached, you pay everything until the next year. Many individual plans set it in the low thousands of dollars.
This is the opposite of health insurance, where the out-of-pocket maximum limits what you pay. A dental annual maximum limits what the plan pays.
How they combine: an example
Imagine you need a crown. The plan covers major work at 50%. If the crown costs well above your remaining annual maximum's reach, the plan's 50% share is capped at whatever is left of that maximum — and you pay the rest. Two crowns in the same year can exhaust a modest annual maximum quickly.
Deductibles
Dental deductibles are usually small and often waived for preventive care. They typically apply to basic and major services.
How to get more from your annual maximum
- Use your preventive benefits — they usually do not count against the maximum as heavily and catch problems early.
- Split major work across plan years when it is safe to wait.
- Ask for a pre-treatment estimate before major work.
- Choose a higher maximum if you expect big work — or consider a DHMO, which often has none. See dental PPO vs. DHMO.
Planning implants or braces? Read implant coverage and adult orthodontic coverage.
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