# K073652: ND Low Speed Airmotor and Handpiece,  Highspeed Airturbine Handpiece, E-Type Straight Nosecone and Contra Angle

- Pathway: 510(k) (Traditional)
- Applicant: Nakamura Magnifier Co., Ltd.
- Decided: Mar 20, 2008 after 85 days
- Product code: EFB (Handpiece, Air-Powered, 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: 2 generations back to K896877 (1990). 7 ancestors in all.
3 later devices descend from it; 3 cite it directly.
0 of 11 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K070869: Prophy Star 3 Hygiene Handpiece, Model 264422, Dentalez, Inc. (2007) Summary page 1.
- K896878: Handpiece System with Motor (Several Models), Micro Motors, Inc. (1990) Summary page 2.
- K863677: Tradition High Speed Handpiece, Midwest (1986) Summary page 3.
- K792445: MW Straight Attachment, Midwest (1979) Summary page 5.
- K962540: E-Type Contra Angle Nac-E, Nsk Nakanishi, Inc. (1996) Summary page 7.
- K790722: Prophylaxis Angle, Young Dental Manufacturing Co. 1, LLC (1979) Summary page 9.

## Most influential descendants
- K262144: DIAMED Handpiece;DIAMED Airmotor;DIAMED Airmotor Handpiece (2026), 0 descendants of its own
- K141125: U-Type Contra Angle, U-Type Sectional Contra Angle (2014), 0 descendants of its own
- K090055: Low & High Speed Kit (2009), 0 descendants of its own

## Indications for use
ND air powered low speed airmotor is used to power various attachment which helps dental clinician perform various dental procedures. All the devices are autoclavable. ND air powered low speed airmotor is used to power various U-type attachment which helps dental clinician perform the hygiene dentistry work. All the devices are autoclavable. ND highspeed airturbine handpiece is an air-powered dental handpiece for removing carious material and excess filling material, cavity and crown preparation, root canal preparations, finishing tooth preparations, restoration and polishing teeth. All the devices are autoclavable. ND straight nosecone is powered by either lowspeed airmotor or electric micromotor for removing carious material and excess filling material, cavity and crown preparation, root canal preparations, finishing tooth preparations, restorations and polishing teeth. ES-30A is E-type 1:1 ratio, ESG-3OAR is E-type 4:1 ratio, and MWS-30A is Midwest-type 1:1 ratio. All the devices are autoclavable. They accept 2.35mm (3/32") standard burs and can have prophy angles mounted. ND e-type contra angle is powered by either lowspeed airmotor or electric micromotor for removing carious material and excess filling material, cavity and crown preparation, root canal preparations, finishing tooth preparations, restorations and polishing teeth. EC-20L and EC-30BL are 1:1 ratio, EG-20L is 4:1 ratio, and EGG-20L is 16:1 ratio, All of the devices are autoclavable. ND u-type prophylaxis angle is used mounted on U-type nose attachment powered by either lowspeed airmotor or electric micromotor for hygiene dentistry work. All the devices are fully autoclavable.

Source page: https://510kreport.com/device/K073652
Methodology: https://510kreport.com/methodology