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Process and apparatus for cleaning a tooth

  • US 4,820,153 A
  • Filed: 11/04/1986
  • Issued: 04/11/1989
  • Est. Priority Date: 11/06/1985
  • Status: Expired due to Fees
First Claim
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1. A process for treating periodontitis existing in the mouth of a patient having teeth with roots extending downwardly in the gums by using a scaler including a scraper with a cutting edge and a handle for the scraper, a dentist using the scraper to remove tartar, concretions and necrotic root element from a tooth by guiding the cutting edge along the tooth under the gums from the lowest point of the gum pocket and while exerting pressure on the root suddenly moving the cutting edge with a powerful jerk in scraping manner toward the chewing face of the tooth, the scaler being adapted for manual movement by the dentist and also having means which when actuated initiates and performs the jerk action without manual movement of the scraper by the dentist, said means including a striking rod and a striking body, said rod and said body moving in opposite directions, the rod producing the jerk action, the body producing a like counteraction, said process including the steps of manually moving the edge by manual operation of the dentist until the jerk action is desired and then automatically initiating and performing said action without manual movement of the scaler by the dentist.

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