| 摘要 |
A dentistry practice or method requiring a patient's possession of dental drill components, i.e. drill burr, handset or drill burr attaching means, etc., which are unavoidably in danger of HIV virus contamination during typical use, and the relinquishing of this possession to the dentist preparatory to the use thereof, thereby totally obviating any inter-patient contamination of these dental drill components that could transmit the HIV virus resulting in AIDS.
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