| 摘要 |
The invention relates to a method of whitening teeth and particularly to a method of whitening teeth by using ozone. According to the invention, the apparatus comprises a device (10) for whitening the teeth, containing an oxidizing gas source (12) and a hand part (16) that exposes the gas by means of some capsules (34, 36 and 64) on the surface of some teeth (40 and 138), by using an impervious barrier (140) for closing the surfaces selected for the treatment. |
