PHR · Class II · 21 CFR 872.3260

FDA Product Code PHR: Diammine Silver Fluoride Dental Hypersensitivity Varnish

Applied To Tooth Enamel To Block Dentinal Tubules For The Purpose Of Reducing Tooth Sensitivity.

Leading manufacturers include Sdi Limited, Elevate Oral Care, LLC and Centrix, Inc..

8
Total
8
Cleared
373d
Avg days
2014
Since
Declining activity - 2 submissions in the last 2 years vs 4 in the prior period
Review times improving: avg 209d recently vs 428d historically

FDA 510(k) Cleared Diammine Silver Fluoride Dental Hypersensitivity Varnish Devices (Product Code PHR)

8 devices
1–8 of 8

About Product Code PHR - Regulatory Context

510(k) Submission Activity

8 total 510(k) submissions under product code PHR since 2014, with 8 receiving FDA clearance (average review time: 373 days).

Submission volume has declined in recent years - 2 submissions in the last 24 months compared to 4 in the prior period.

FDA 510(k) Review Time - PHR Product Code

Recent submissions under PHR have taken an average of 209 days to reach a decision - down from 428 days historically, suggesting improved FDA processing for this classification.

PHR devices are reviewed by the Dental panel. Browse all Dental devices →