510(k) Report

FDA product code · Dental

Saliva, Artificial

LFDClass U510(k) required51 decisions since 19794 recalls

51 FDA decisions since 1979. 510(k) reviews decided 2021–2025 took a median of 107 days (half between 87 and 119). 4 recalls name this code, 0 of them Class I. The most-cited predicate is K123731, named by 9 later devices.

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026 Download the data (CSV)

FIG. A — Illustration, dental panel

Twenty years of LFD at a glance: how often FDA decides these devices, how long 510(k) reviews take, how often they are recalled, and how many adverse event reports name the code.

FDA decisions per year · LFD

1in 2025

2007: 22009: 32010: 12011: 32012: 22013: 22015: 52017: 32018: 52019: 32020: 12021: 22023: 12024: 22025: 12026 (partial year): 1
2007high 5 (2015) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LFD

287in 2019

2009: 83 days median2011: 209 days median2015: 156 days median2017: 231 days median2018: 210 days median2019: 287 days median
2007high 287 (2019) · low 83 (2009)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · LFD

1in 2013

2007: 12013: 1
2007high 1 (2007) · low 0 (2008)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · LFD

11in 2025

2007: 22010: 12011: 52012: 72013: 372014: 192015: 282016: 682017: 512018: 372019: 402020: 342021: 302022: 152023: 102024: 142025: 11
2007high 68 (2016) · low 0 (2008)2025

MAUDE reports naming product code LFD, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20072—12
20080—00
200938300
20101—01
2011320905
20122—07
20132—137
20140—019
20155156028
20160—068
20173231051
20185210037
20193287040
20201—034
20212—030
20220—015
20231—010
20242—014
20251—011
20261—0—
FIG. 1 — LFD by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in LFD? A 510(k) Report ranks candidate predicates in this code by lineage, citations and recall history, with the review-time outlook.

See the 510(k) Report