| 摘要 |
A dental instrument according to various embodiments of the invention includes: (1) an elongate handle that has a first end and a second end, (2) a mirror attached adjacent the first end of the handle, and (3) a needle guide adjacent the second end of the handle. The needle guide includes an inlet portion and an outlet portion, and the needle guide is adapted to receive an end portion of a hypodermic needle adjacent the inlet portion and to physically guide the end portion of the hypodermic needle from the inlet portion to the outlet portion. According to one embodiment, the needle guide comprises a tunnel that extends through at least a portion of the elongate handle, hi another embodiment, the needle guide comprises a groove that extends adjacent an exterior surface of the elongate handle.
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