# K073185: APX21

- Pathway: 510(k) (Traditional)
- Applicant: Techdent Technologies, Ltd.
- Decided: Mar 6, 2008 after 114 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: 1 generation back to K921979 (1993). 1 ancestor in all.
1 later device descends from it; 1 cites it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K921979: Root ZX, J. Morita USA, Inc. (1993) Summary page 1.

## Most influential descendants
- K103123: Apex Pointer+; Measruing Cable, Hook, Lip Clip, Touch Probe (Accessories) (2011), 0 descendants of its own

## Indications for use
The APX21 is indicated for root canal and other related dental procedures, to be used by a trained professional in general dentistry.

Source page: https://510kreport.com/device/K073185
Methodology: https://510kreport.com/methodology