# K032743: Apex NRG

- Pathway: 510(k) (Traditional)
- Applicant: Medicnrg, Ltd.
- Decided: Mar 15, 2004 after 193 days
- Product code: LQY (Locator, Root Apex)
- Device class: U
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 3 generations back to K921979 (1993). 4 ancestors in all.
7 later devices descend from it; 3 cite it directly.
0 of 12 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K022020: Justwo Model Tme-601 Root Apex Locator, Toei Electric Co., Ltd. (2002) Summary page 2.
- K921979: Root ZX, J. Morita USA, Inc. (1993) Summary page 2.

## Most influential descendants
- K063843: Apexnrg XFR (2007), 5 descendants of its own
- K071133: Apexnrg-Blue Electronic Apex Locator (2007), 4 descendants of its own
- K090598: Cariescan Pro (2009), 1 descendant of its own
- K080113: Apex Dal Electronic Apex Locator (2008), 1 descendant of its own
- K170822: Electronic Caries Detector (2017), 0 descendants of its own

## Indications for use
Measurement of the length of the root canal for the purpose of performing root canals and related dental procedures, for use by a trained professional in general dentistry.

Source page: https://510kreport.com/device/K032743
Methodology: https://510kreport.com/methodology