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Dowel post for dental and medical prosthetic devices

  • US 4,268,253 A
  • Filed: 12/26/1979
  • Issued: 05/19/1981
  • Est. Priority Date: 12/26/1979
  • Status: Expired due to Term
First Claim
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1. A dowel post for anchoring a dental or medical prosthetic device comprising a head on which said device may be formed or mounted and a shaft extending therefrom for insertion into a previously prepared parallel-sided blind hole, and secured therein by a cement, wherein said shaft is of substantially constant diameter along its length and is provided with a plurality of concave flutes helically intertwined about the axis of said shaft and co-extending substantially along the length thereof at a pitch angle of 70°

  • or less to the axis of the shaft, said concave flutes being contiguous around the circumference of the shaft, and providing said shaft with a substantially uniform polygonal section along its length.

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