MULTIPLE-PART DENTAL MATERIAL DELIVERY SYSTEM

摘要

A cartridge for delivery of multiple-part dental materials comprising a) a cartridge body made from an injection moldable material comprising polyalkylene oxide homopolymer or polyalkylene oxide copolymer wherein said homopolymer or copolymer comprises a repeat unit that is wherein R is H or an aliphatic moiety. The cartridge body has a Burst Pressure greater than that of an otherwise identical cartridge made entirely of polypropylene, and a flexural modulus greater than 1.3x103 MPa at 50% relative humidity and 23 DEG C., and b) a multiple-part dental material. The cartridge is specially adapted to be mounted in a hand-held ejector-type gun.