Ultrasonic method for cleaning teeth
View Patent ↗An improved method for cleaning teeth is disclosed. The method for cleaning teeth includes: applying ultrasonic waves of a first frequency through a liquid media to the teeth for a first period of time; and applying ultrasonic waves of a second frequency through a liquid media to the teeth for a second period of time.
1. A method for cleaning teeth comprising:
applying ultrasonic waves of a first frequency through a liquid medium to teeth to be cleaned for a first period of time; and applying ultrasonic waves of a second frequency through a liquid medium to teeth to be cleaned for a second period of time.
2. The method of claim 1 wherein the ultrasonic waves of a first frequency and the ultrasonic waves of a second frequency are applied intermittently.
3. The method of claim 1 wherein the ultrasonic waves of a first frequency and the ultrasonic waves of a second frequency are applied consecutively.
4. The method of claim 1 wherein the first frequency ranges from about 20 kHz to about 40 kHz and the second frequency ranges from about 41 kHz to about 70 kHz.
5. The method of claim 4 wherein the first frequency ranges from about 25 kHz to about 40 kHz and the second frequency ranges from about 41 kHz to about 55 kHz.
6. The method of claim 1 wherein the liquid medium comprises water.
7. The method of claim 1 wherein the liquid medium is glycerin.
8. The method of claim 1 wherein low frequency ultrasonic waves are applied prior to the application of higher frequency ultrasonic waves.