# K965238: T1 Control High Speed Dental Handpiece

- Pathway: 510(k) (Traditional)
- Applicant: Siemens AG
- Decided: Mar 19, 1997 after 78 days
- Product code: EFA (Handpiece, Belt And/Or Gear Driven, Dental)
- Device class: 1
- Regulation: 21 CFR 872.4200
- 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 K863677 (1986). 3 ancestors in all.
24 later devices descend from it; 1 cites it directly.
0 of 28 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K863677: Tradition High Speed Handpiece, Midwest (1986) Summary page 2.
- K960719: Star Dental 430 Series High Speed Handpiece, Dentalez Group (1996) Summary page 2.
- K944710: W&H 898 Top Light Highspeed, A-Dec, Inc. (1995) Summary page 2.

## Most influential descendants
- K073478: Supertorque High-Speed Handpieces and Gentlepower Handpieces and Attachements (2008), 23 descendants of its own
- K102517: Tiger 500 Series High Speed Handpieces and Attachments (2011), 13 descendants of its own
- K152146: High Speed Handpieces and Accessories (2015), 8 descendants of its own
- K130560: Mastertorque Lux 8900 L (2013), 5 descendants of its own
- K170229: Dental High-speed Turbine Handpiece (2017), 4 descendants of its own

## Indications for use
The Siemens T1 CONTROL high speed dental handpiece is intended for use in the dental operatory to prepare dental cavities for restorations, such as fillings.

Source page: https://510kreport.com/device/K965238
Methodology: https://510kreport.com/methodology