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Method of using ultrasonic dental tool

  • US 5,320,532 A
  • Filed: 04/21/1992
  • Issued: 06/14/1994
  • Est. Priority Date: 09/26/1990
  • Status: Expired due to Fees
First Claim
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1. A method for removing adhesive from the surface of a tooth, comprising the steps of:

  • providing an ultrasonic device having a converter for producing a substantially bi-directional movement along the axis of the converter at a predetermined frequency, a horn having a connecting end and an outer working end, said connecting end being secured to said converter, for transferring said bi-directional movement to said outer working end of said horn, said outer working end being substantially wedge-shaped to provide a chiseling effect;

    activating said device such that said bi-directional movement of said outer working end has an amplitude in the range of 0.0005"-0.005"; and

    placing the outer working end of said horn in contact with the adhesive, whereby the adhesive is removed from tooth surface by said chiseling effect.

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