Scientists have found a new method to deliver anaesthesia using a tiny electric current instead of a needle. This process called iontophoresis, is a good news for people who fear painful injections by the dentist. Researchers say the advance could help improve dental procedures, save money and avoid contamination.
The technology can improve drug delivery to various organs and has applications in other areas such as cancer treatment. The study was published in the journal Colloids and Surfaces B: Biointerfaces.