DIFF Subgroup
A61C 17/20 using ultrasonic waves
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle > Power-driven cleaning or polishing devices > using ultrasonic waves
CPC:
Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses (instruments acting like a sandblast machine A61C3/025; tooth polishing discs or holders therefor A61C3/06; devices for cleaning between the teeth A61C15/00); Saliva removers; Dental appliances for receiving spittle > Power-driven cleaning or polishing devices > using ultrasonic waves
No child classifications to compare. This is a leaf node in both IPC and CPC.