| 摘要 |
PCT No. PCT/RU96/00257 Sec. 371 Date May 5, 1998 Sec. 102(e) Date May 5, 1998 PCT Filed Sep. 10, 1996 PCT Pub. No. WO98/10711 PCT Pub. Date Mar. 19, 1998A toothbrush providing a radiation source of selected optical range, having the radiation source built into a cavity in the handpiece of the toothbrush. The brush head may be transparent and the bristles may be transparent. Various combinations of scattering, transparent and reflective properties of the brush head, the type of radiation source, and bristle transparency allows selected influence directly on different field and tissues of the oral cavity. Radiation wavelength is selectable to provide treatment to both the soft tissue of the oral cavity and to the teeth. Selected radiation penetrates the pulp of the tooth to stimulate and enhance calcium transport to the dentine and enamel of the tooth to prevent and treat cavities.
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