# K950993: Butler G.U.M. Antibacterial Toothbrush

- Pathway: 510(k) (Traditional)
- Applicant: John O. Butler
- Decided: Jun 2, 1995 after 91 days
- Product code: EFW (Toothbrush, Manual)
- Device class: 1
- Regulation: 21 CFR 872.6855
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
4 later devices descend from it; 2 cite it directly.
0 of 5 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K973236: Crest Toothbrush with Microshield (1998), 2 descendants of its own
- K971589: Reach Antibacterial Toothbrush (1997), 2 descendants of its own
- K020776: Medoral Hygienic Toothbrush with Dentosan Filaments (2002), 1 descendant of its own
- K022900: Butler Gum Vari-Clean Power Toothbrushes (2002), 0 descendants of its own

Source page: https://510kreport.com/device/K950993
Methodology: https://510kreport.com/methodology