Most dental plans follow a 100/80/50 structure: preventive visits are covered in full, basic work such as fillings around 80%, and major work such as crowns, root canals and dentures around 50% — all capped by an annual maximum, usually $1,000 to $2,000 per person per year. Cosmetic treatment is almost never covered.
Dental insurance is not really insurance in the way health insurance is. It is closer to a discount benefit with a spending ceiling, and understanding that one distinction saves patients hundreds of dollars a year. Below is what the categories actually mean, the fine print that catches people out, and how to get the most from a plan you are already paying for.
The three coverage tiers
| Category | Typical coverage | What it includes |
|---|---|---|
| Preventive | 100% | Exams, cleanings twice a year, X-rays, fluoride and sealants for children |
| Basic | 70–80% | Fillings, simple extractions, deep cleanings for gum disease, emergency pain relief |
| Major | 50% | Crowns, bridges, root canals, dentures, surgical extractions, implants where covered |
Note what this structure rewards. The treatment that is free is the treatment that stops you needing the other two tiers. Skipping a covered cleaning to save an hour is the most expensive hour in dentistry.
The five clauses that surprise people
- The annual maximum. Once the plan has paid out its cap for the year, everything else is yours to pay. A single crown plus a root canal can reach the cap in one appointment sequence. Unused benefit does not roll over — on 31 December it is gone.
- Waiting periods. New policies commonly make you wait six months for basic work and twelve months for major work. Preventive care usually starts immediately.
- The missing tooth clause. Some plans will not pay to replace a tooth that was already missing before the policy began, no matter how long you have since been enrolled.
- Frequency limits. Two cleanings per calendar year, bitewing X-rays once a year, a crown on the same tooth once every five to seven years. Care you need more often than the limit is out of pocket.
- Downgrading. Many plans pay for a white filling on a back tooth only at the rate of a silver one. You still get the tooth-coloured filling; you simply cover the difference.
In-network and out-of-network, in plain terms
An in-network dentist has agreed fees with your insurer, so your share is calculated from that agreed figure. Out-of-network, the insurer pays its portion of what it considers a “usual and customary” fee, and you pay the rest — which can be more than the percentage on the brochure suggests. Neither choice is automatically right: continuity with a dentist who knows your mouth has value too. What matters is asking before treatment, not after.
Our office will check your benefits and send a pre-treatment estimate to your insurer for any significant work. The insurer replies with what it will pay, so you see your real out-of-pocket cost before you agree to anything.
What is almost never covered
- Whitening and other purely cosmetic treatment — see our whitening page for what it costs directly.
- Veneers placed for appearance rather than to repair damage.
- Adult orthodontics under many plans; child orthodontics is often covered under a separate lifetime maximum.
- Any treatment above the frequency limit, such as a third cleaning in a year for a patient with gum disease — even when it is clinically justified.
Getting more out of the plan you already have
- Use both cleanings. They are the part you have already paid for and the part that prevents everything expensive.
- Plan around the calendar. If a treatment plan exceeds your annual maximum, splitting it across December and January uses two years of benefit. This is standard practice, not a loophole.
- Do the urgent work first. When benefit is limited, treat what is actively causing damage — decay, infection, gum disease — before elective work.
- Ask for a pre-treatment estimate for anything over a few hundred dollars.
- Use FSA or HSA funds. Dental treatment qualifies, so you pay with pre-tax income — effectively a discount equal to your tax rate. FSA money is generally use-it-or-lose-it by year end.
If you have no dental insurance
Plenty of our patients do not, and it does not have to mean going without care. Ask about:
- Payment plans. Larger treatment can often be spread over months, sometimes interest-free through third-party financing.
- Sequencing. A written plan that separates what must be done now from what can safely wait six months keeps costs manageable.
- Prevention first. Paying out of pocket for two cleanings and an exam each year is far cheaper than paying out of pocket for the crown you would otherwise need.
- Honest quotes up front. You should know the cost of any procedure before it starts. If a practice will not tell you, that is information too.
Questions worth asking your insurer today
Five minutes on the phone answers most of what matters: What is my annual maximum, and how much is left this year? What is my deductible? Are there waiting periods still running? Does the plan have a missing tooth clause? How many cleanings per year are covered, and are white fillings on back teeth downgraded? Write the answers down — bring them to your appointment and treatment planning gets much simpler.
Frequently Asked Questions
Q: What does dental insurance usually cover?
A: Most plans cover preventive care such as exams, cleanings and X-rays at 100%, basic treatment such as fillings and simple extractions at around 80%, and major treatment such as crowns, root canals and dentures at around 50%. All of it is limited by an annual maximum, commonly $1,000 to $2,000 per person.
Q: Why did my insurance not pay the full 50% on my crown?
A: Usually one of three reasons: you had already used part of your annual maximum, your deductible had not been met, or the dentist is out of network so the percentage was calculated from the insurer’s fee schedule rather than the actual fee. A pre-treatment estimate shows which applies before treatment starts.
Q: Does dental insurance cover teeth whitening or veneers?
A: Almost never. Both are classed as cosmetic. Veneers are occasionally covered in part when they restore a tooth damaged by trauma or severe wear, but appearance alone is not a covered reason. Ask for the direct price instead — it is often lower than people expect.
Q: What is a waiting period?
A: A window at the start of a new policy during which certain treatment is not yet covered — typically six months for basic work and twelve for major work. Preventive care generally begins straight away, which is a good reason to book a cleaning as soon as coverage starts.
Q: Should I split treatment across two years?
A: If your plan is capped and the work is not urgent, yes. Completing part of the treatment in December and the rest in January draws on two annual maximums. What should not be delayed is active infection or decay, which gets more expensive faster than the benefit is worth.
Q: Can I be treated here without insurance?
A: Yes. We give a written price before treatment begins, can sequence work so it fits a budget, and offer payment options for larger plans. Ask us at the appointment — there is no awkwardness in it, and it usually leads to a better plan.
Bring us your plan and we will read the fine print
If you are unsure what your policy covers, bring the details to your next visit or call the office at (804) 732-8557. We verify benefits for patients as a matter of routine and will tell you plainly what your treatment will cost you — before it starts. You can also request an appointment online; our Petersburg office is on South Crater Road.
