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Dental caries diagnostic and localization technique

  • US 4,976,951 A
  • Filed: 08/28/1985
  • Issued: 12/11/1990
  • Est. Priority Date: 08/28/1985
  • Status: Expired due to Fees
First Claim
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1. A method for detecting the presence, extent and location of a specified microorganism on a surface, comprising:

  • (a) contacting the surface with a solid substrate containing at least one substance essential for the growth of the specified microorganism;

    (b) removing said solid substrate from the surface and immersing it in a liquid growth medium lacking said at least one substance essential for the growth of the specified microorganism but otherwise having the necessary growth ingredients for growing the specified microorganism; and

    (c) incubating said liquid growth medium with the solid substrate immersed therein to promote the growth of the specified microorganism at the interface between the solid substrate and the liquid medium.

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