What is deductible?
A dental deductible is the fixed dollar amount you must pay out-of-pocket for covered restorative services each benefit year before your insurance begins paying its coinsurance share. Most PPO plans set individual deductibles at $50 and family deductibles at $150. Preventive services — cleanings, exams, X-rays — are almost universally exempt from the deductible, meaning the plan covers them at 100% from Day 1 without requiring you to meet the deductible first. The deductible applies only to basic services (fillings, extractions) and major services (crowns, root canals, bridges).
How it works
The first covered non-preventive claim of the benefit year triggers your deductible. The plan subtracts the deductible amount from the procedure's allowed cost, then applies the coinsurance percentage to the remainder. On a $200 filling with an 80/20 plan and a $50 deductible: you pay $50 deductible + 20% × ($200 − $50) = $50 + $30 = $80. The plan pays $120. After that, your deductible is met and subsequent claims go straight to coinsurance splitting.
Family of 4, $50 per-person deductible, $150 family cap. Child 1 gets a filling in January: pays $50 deductible + their coinsurance. Child 2 gets a filling in March: pays $50 deductible. Parent needs a crown in April: pays $50 deductible. Family cap of $150 is now met — the 4th family member has no deductible for the rest of the year.
What to watch out for
- Preventive care does not count toward and is not subject to the deductible. If you only get cleanings this year, you start next year at $0 toward your deductible — it only accumulates from non-preventive claims.
- Deductibles reset at the same time as the annual maximum — January 1 on calendar-year plans. Getting a filling in late December when your deductible is already met costs significantly less than the same filling in early January when you owe the deductible again.
Frequently asked questions about deductible
No. Preventive care — routine cleanings, exams, bitewing X-rays, and oral cancer screenings — is almost always exempt from the deductible. Plans cover these at 100% from Day 1 without requiring you to meet the deductible. This is one of the biggest misunderstandings about dental benefits.
Yes. Most plans have a per-person deductible (typically $50) and a family cap (typically $150). Once three family members each meet their individual deductible, the family cap is satisfied and no other family member owes a deductible for the rest of the year. Some plans use a 'true family deductible' where any combination of family member expenses counts toward one shared bucket.
No. Health insurance and dental insurance are completely separate products with separate deductibles. Meeting your health plan's deductible has zero effect on your dental plan's deductible, and vice versa.
Yes. Both FSA and HSA funds can be used to pay dental deductibles, coinsurance, and out-of-pocket dental costs not covered by insurance. This effectively reduces the after-tax cost of your deductible by your marginal tax rate — typically 22%–28% for most households.
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