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Device for iontophoretic application of fluoride on tooth

  • US 4,149,533 A
  • Filed: 10/13/1977
  • Issued: 04/17/1979
  • Est. Priority Date: 10/13/1976
  • Status: Expired due to Term
First Claim
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1. A device for injecting fluoride ions into a tooth comprisingmeans including an electrolyte containing fluoride and an electrode in electrical contact with said electrolyte, said electrolyte being adapted for contact with a body;

  • a positive terminal adapted for electrical contact with said body;

    a negative terminal in electrical contact with said electrode; and

    a current conduction means for permitting an intermittent direct current to flow between said positive and negative terminals, said current conduction means generating an intermittent direct current having a waveform which reaches a maximum level immediately after the current conduction is started and thereafter decays in time.

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