As much as some people fear getting dental fillings or root canals, what many of them are really afraid of is the needle that delivers the anesthetic into the mouth tissue. Even though the skin in the "jabbing area" is usually pretreated with a topical anesthetic, it can still hurt. Before long, however, a shot of electricity could make that topical treatment deep-acting enough that the needle isn't even needed.
.. Continue Reading Painless electrical zaps may replace dental anesthesia needlesCategory: Health and Wellbeing
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from Gizmag Emerging Technology Magazine http://ift.tt/1ZIoYW3
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