| 摘要 |
<p>The present invention relates to photo-activated disinfection. In particular, the present invent ion relates to photo-activated disinfection in the oral cavity. We describe a dental apparatus comprising a handpiece having proximal and distal portions; and a handpiece cover; wherein the distal portion of the handpiece comprises light emitting means and wherein the handpiece cover comprises a sleeve adapted to provide a cover to the proximal portion of the handpiece and a sheath adapted to provide a cover to the distal portion of the handpiece. Suitably, the sleeve is a disposable component.</p> |
