This novel method can anaesthetize many teeth for one shot, by the same time it won’t affect the function of the lip and face.
Less dose used than the traditional method, simple, fleet, comfortable injection, no adverse reaction after anaesthesia.
For FNDA-1 control system, the drug will be following a constant speed. There has a pre-anaesthesia before injecting the anaesthetic, and cooperating with the circumrotating desigh, the anaesthetic will move on deeper and deeper which is controlled by the computer and then form a drug channel.
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