Patent · US Expired

Method of root canal therapy

US4425094A · kind A · utility

25Cited by
15References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 8, 1981
Grant dateJan 10, 1984
Priority date
Expiry dateMay 8, 2001

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K6/50
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Endodontic filling systems are provided having improved properties over those known to the prior art. Endodontic points are provided comprising hydrophilic, polymeric compositions. Such points are swellable when placed into a prepared root canal space and provide substantially complete filling of lateral cavity spaces without invasion of the subapicial space. According to a preferred embodiment, such points are used in conjunction with pastes or fluids comprising hydrophilic, polymeric compositions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.