| 摘要 |
A disposable dental prophy angle designed to be coupled with a conventional dental tool power source, the angle being used in dental prophylaxis. The dental prophy angle is fabricated from synthetic resin material and comprises a housing presenting a head end and a shank end with a passageway extending between said ends, a drive shaft extending along the passageway, a plurality of sealing rings integrally formed as part of the housing and extending inwardly therefrom into sealing engagement with the drive shaft, and a pair of auger flights integrally formed as part of the shaft for propelling buccal matter along the passageway for ejection through the head end.
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