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Orthopedic corrector and method of correction of Class II malocclusion

  • US 4,433,956 A
  • Filed: 05/03/1982
  • Issued: 02/28/1984
  • Est. Priority Date: 07/27/1981
  • Status: Expired due to Fees
First Claim
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1. An orthopedic appliance for correcting a Class II, Division I, malocclusion comprising:

  • a. a posterior segment having contoured sides for mating and longitudinally fixed engagement with the interior sides of a person'"'"'s upper molars;

    b. an anterior segment having a contoured leading edge for mating engagement with the inside of the frontal arch of the person'"'"'s mandible, the leading edge being a ramp which extends angularly outward in a direction from the bottom of the mandible to the top of the mandibular frontal arch, andc. an expansion screw assembly connecting the posterior and anterior segment for longitudinally expandible movement between the anterior segment and the posterior segment.

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