Beyond 3 %4 % you usually pay for concentration you cannot absorb
If you are anxious or sensitive, we can use lidocaine to perform a nerve block, where we inject the numbing agent directly into your nerve bundles, just as the dentist does when you get a cavity filled although this will mean youll be numb for much longer
These injection sites have nerves and blood vessels
Either way, the message gets delivered just with some difference in timing
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