FDA product code · Dental · Class U

MQC: Mouthguard, Prescription

MQC is FDA's product code for "Mouthguard, Prescription": a Class U device, reviewed by the Dental panel.

510(k) review time for MQC

Across 40 510(k) clearances under MQC decided from 2018-01-01 to 2026-10-06, the median was 192 days from FDA receipt to decision. Half took between 100 and 278 days, and 80% were decided within 282 days. These are past clearances, not a forecast for a new submission.

Days from FDA receipt to 510(k) decision, MQC, decisions 2018-01-01 to 2026-10-06 (n = 40)
Fastest56
25th percentile100
Median192
75th percentile278
80th percentile282
90th percentile323
Slowest433
Median days by decision year, MQC (years with enough clearances to compute). The partial final year counts only submissions already decided, so its median runs low.
YearMedian daysn
20192865
20211587
20221205
20232306
20242498

Source: openFDA 510(k) records, snapshot of 2026-10-06 (openFDA data as of 2026-09-28). Compare 510(k) review times across all device types, see every code side by side in the Clearance Timeline Estimator, or browse the clearances themselves in PredicateScope.

MQC in the public FDA record

Records naming MQC, from openFDA (snapshot of 2026-09-15)
510(k) clearances, all years71
Establishment listings102
GUDID device identifiers979

Counts of records, not of devices or events. Adverse event reports for MQC are in MAUDEScope, as counts with the query shown: MAUDE has no denominator, so a report count is not a rate and does not show that a device caused an event.

FDA-recognized standards that cite MQC

3 FDA recognized consensus standards cite MQC, among them ISO 20795-2 Second edition 2013-03-01; ANSI ADA Standard No. 99-2001 (R2023); ANSI ADA Standard No. 139-2020. Horizontal standards such as biocompatibility, sterilization and software standards can apply without citing the code.

  • 4-233 ISO 20795-2 Second edition 2013-03-01 — Dentistry - Base polymers - Part 2: Orthodontic base polymers
  • 4-254 ANSI ADA Standard No. 99-2001 (R2023) — Athletic Mouth Protectors and Materials
  • 4-294 ANSI ADA Standard No. 139-2020 — Dental Base Polymers

Source: FDA Recognized Consensus Standards, snapshot of 2026-09-01. Search them all in the Consensus Standards Lookup.

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