| 摘要 |
FIELD: sanitary and hygienic articles. SUBSTANCE: toothbrush has handle and head with bristles. Optical radiation source disposed within head is electrically connected with power source mounted within handle. Permanent magnet is positioned on head surface opposite to bristle side. Outer surface of permanent magnet is polished. Radiation source is connected to power source through member that becomes current-conductive upon getting wet. EFFECT: simplified construction and increased convenience. 1 dwg
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