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// Preventive · D1110

Is a regular teeth cleaning covered by insurance?

Usually yes, at 100% as a preventive service on most plans, with no deductible. A regular cleaning (adult prophylaxis, code D1110) is the routine hygiene visit for patients with generally healthy gums: plaque, tartar and stain removed above the gumline, then a polish. The catch is never the percentage, it is the frequency limit and the age cutoff.

100%

Preventive on most plans, no deductible

2 per year

The usual limit. Some plans count it as 2 per calendar year, others as one every 6 months plus a day. The wording decides the date.

Age 12 to 14+

Most payers want the patient this old for the adult code. Younger patients belong on D1120, and the wrong code comes back denied.

Shared clock

On many plans D1110 and periodontal maintenance (D4910) share one cleaning frequency. A perio patient's D4910 visit can use up the free cleaning.

$0 or full fee

A cleaning is either free or the patient's whole bill, nothing in between. One check before the visit shows the count used so the desk never guesses.

// Try it · sample plans, your numbers

What would a real check show for this patient's D1110?

Pick a sample plan and type your fee. This is the visibility a real-time check gives the desk for every actual patient, in under a second.

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Eligibility readout · D1110

Sample
Coverage
Active, preventive covered at 100%, no deductible
Frequency
2 per calendar year, 1 of 2 used
Patient share
Type your fee to see it

Estimate from a sample plan. A real check reads the actual plan in under a second.

When D1110 is the right code

  • Patient is past the plan's adult age cutoff
  • Gums are generally healthy, no active gum disease
  • Cleaning stays above the gumline
  • Patient is not in periodontal maintenance

Documentation payers expect

A date of service and the hygienist's notes are usually enough. If the patient is coming off periodontal maintenance, payers want charting that shows the gums have recovered.

D1110 or its neighbors?

D1110
Routine cleaning, adult, healthy gums
D1120
Same cleaning, under the plan's age cutoff
D4346
Inflamed gums, no bone loss, whole mouth
D4910
Maintenance after gum treatment, usually 80%

Picking the wrong neighbor is its own denial category. The chart decides, not the schedule.

Why regular cleanings get denied

Frequency already used. A cleaning at another office earlier this year counts against the same limit, and the payer knows even when the patient forgets.
Patient too young for the adult code. A birthday between visits can flip the right code to D1120, and payers reject the adult code on a child.
Patient is in periodontal maintenance. Many plans will not pay D1110 after D4910 without charting that shows the gums are healthy again.
Six months plus a day. On plans with that rule, a cleaning booked five months and three weeks after the last one is the patient's bill.

What happens after the cleaning

Most cleanings end with the next one booked six months out. That is where the frequency trap sits: on a plan that pays 2 per calendar year, a January cleaning and a December one both pay, but on a plan that wants six months plus a day, the second must wait. Add an exam (D0120) and bitewings (D0274) with their own limits, and one visit can hide three separate frequencies. Knowing the count used on each before the patient books means the recall card never turns into a surprise bill.

D1110, quick answers

Does insurance cover a regular cleaning?

Most plans cover D1110 at 100% as a preventive service, usually with no deductible.

How many cleanings a year will a plan pay for?

Typically 2. Some plans count per calendar year, others require 6 months plus a day between visits, and a few allow 3 or 4.

Why was my cleaning billed to me?

Usually the frequency was already used, often by a visit at another office, or the visit fell inside the waiting gap between cleanings.

Can a perio patient go back to a regular cleaning?

Sometimes. Many plans will not pay D1110 after periodontal maintenance (D4910) without charting that shows the gums have recovered.

Does a cleaning need prior authorization?

Almost never. The eligibility check shows the frequency used and the age rule, which is what actually decides whether it pays.

More questions? Schedule 15 minutes with us and bring your toughest plan.

Every cleaning, frequency checked before the patient sits down.

First month free, then $2.50 a check. No seat fees, no contract.

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Related: D1120 · D4910 · D0120

CDT is maintained by the American Dental Association. This page is Valian's own plain-English summary for front-desk teams, not official CDT descriptor text, and is not billing or clinical advice. Coverage patterns are common plan behaviors; every plan differs. Verify benefits before treatment.