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Home Industry News New approach to dental anaesthetic uses small electrical current

New approach to dental anaesthetic uses small electrical current

19th January 2016

Researchers have developed a new means of administering anaesthetic to the mouth using a small electrical current that could be cheaper, safer and more effective.

The University of Sao Paulo research has revealed that applying a tiny electric current – a process called iontophoresis – can make topical anaesthetics more effective and eliminate the need for using needles.

With this method, anaesthetic hydrogels are prepared with a polymer to help it stick to the lining of the mouth, with two anaesthetic drugs – prilocaine hydrochloride and lidocaine hydrochloride – then added.

When the current was applied, the anaesthetic effect was fast-acting and long-lasting, with the electric current making the prilocaine hydrochloride enter the body more effectively and the permeation of the anaesthetic through the mouth lining increasing 12-fold.

It is expected that this method could help reduce costs, improve patient compliance, facilitate application and decrease the risks of intoxication and contamination.

Study author Professor Renata Fonseca Vianna Lopez from the University of Sao Paulo in Brazil said: "This may facilitate access to more effective and safe dental treatments for thousands of people around the world."ADNFCR-8000103-ID-801810398-ADNFCR

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