Ultreo, Inc.

David A Ballard

Gerald Keith Brewer

Richard Taylor

James Christopher McInnes

Daniel Bayeh

Frederick Jay Bennett

George A Barrett

An oral hygiene device having an ultrasound transducerand an acoustic waveguidefacilitating the transmission of ultrasonic acoustic energy to fluids in the oral cavity is disclosed. Preferred ultrasound operating parameters for operation in aqueous environments and in dental slurries are disclosed. Devices may incorporate a drive motorfor oscillating a device head, acoustic waveguideand one or more bristle tuft(s)at sonic frequencies, and preferred sonic operating parameters are also provided. Multi-element piezoelectric transducer assemblies, and various control and communications features are disclosed. Oral hygiene devices disclosed herein achieve improved plaque and stain removal from the teeth as well as interproximal and subgingival regions, while enhancing the user experience, massaging the gums, stimulating dental tissue, and disrupting biofilm.

Oral hygiene devices

Ultrasonic toothbrushes employing an acoustic waveguide

Growing community of inventors

Sammamish, WA, United States of America

David A Ballard