Valian
// Restorative · D2330

Is a white filling on a front tooth covered by insurance?

Usually yes, and with fewer surprises than a back-tooth filling. Most plans cover a one-surface white filling on a front tooth (code D2330) as a basic service at 70 to 80%, and they rarely downgrade it, because a metal filling is not an option on a tooth people see when you smile. The main limit is how recently that surface was filled.

70 to 80%

Basic, rarely downgraded up front

Rarely downgraded

Front teeth have no metal alternative, so most plans pay the white filling at full basic rates. The back-tooth downgrade fight does not apply here.

24 months

The replacement window per surface on most plans. A chipped filling redone inside that window is usually on the patient unless there is new decay documented.

Front teeth only

The front-tooth codes apply to incisors and canines only. Bill D2330 on a premolar and most plans reprocess it as a back-tooth filling.

Cosmetic clause

A few plans treat a front filling as cosmetic when no decay or fracture is on file. Checking D2330 against the plan shows that before the patient asks.

// Try it · sample plans, your numbers

What would a real check show for this patient's D2330?

Pick a sample plan and type your per-tooth 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 · D2330

Sample
Coverage
Active, basic covered at 80%
Frequency
Once per surface / 24 months
Patient share
Type your fee to see it

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When D2330 is the right code

  • Front tooth: incisor or canine, upper or lower
  • Tooth-colored filling material
  • One surface only
  • Decay or fracture on file, not a cosmetic touch-up
  • Surface not filled in the last 24 months

Documentation payers expect

Tooth number, surface letter, and a chart note documenting decay or a fracture. Plans with a cosmetic exclusion want to see the reason, not just the code.

D2330 or its neighbors?

D2330
White, front tooth, one surface
D2331
Front tooth, two surfaces
D2391
Back tooth, one surface
D2140
Silver filling, one surface

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

Why front-tooth white fillings get denied

Same surface filled within the last 24 months. Front fillings chip and get redone; without documented new decay or a fracture, the redo is on the patient.
Cosmetic exclusion. A few plans deny front fillings placed for looks, and a chart note showing decay or a fracture is what separates the two.
Wrong tooth range. Front-tooth codes cover incisors and canines only, so D2330 on a premolar gets reprocessed as a back-tooth code, often at a downgraded rate.
Basic waiting period. If the patient is new to the plan, basic services may be blocked for the first months, and the check shows the date.

What happens after the front-tooth filling

Front fillings live a hard life: they chip and stain, and they get redone more often than most. The redo inside the 24-month window is where the next bill comes from, because most plans treat it as the patient's cost unless new decay or a fracture is charted. Recall stays the same, a D1110 cleaning and a D0120 exam. What prevents the surprise is knowing the plan's replacement window and whether it covers D2330 at all, both of which one check shows before the patient is in the chair.

D2330, quick answers

Does insurance cover a white filling on a front tooth?

Most plans cover D2330 as a basic service at 70 to 80%, and unlike back teeth, they rarely downgrade it to a metal rate.

How often will a plan pay to redo a front filling?

Typically once per surface every 24 months. A chipped filling redone sooner is usually the patient's cost unless new decay or a fracture is charted.

Can a plan call a front filling cosmetic?

A few do, when nothing in the chart shows decay or a fracture. The documentation, not the code, decides it.

Which teeth count as front teeth?

Incisors and canines, upper and lower. Premolars and molars use the back-tooth codes (D2391 and up).

Does D2330 need prior authorization?

Almost never. It is a low-dollar, low-review claim; the tooth number, surface letter and a note are enough.

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Related: D2331

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.