Color changing matrix as wear indicator

Details Color changing matrix as wear indicator Color changing matrix as wear indicator

2008-03-04

2008-03-04

Krass, Frederick (Department: 1614)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Implant or insert

C424S010300, C424S010320, C424S401000, C424S486000, C424S488000, C428S364000, C428S373000, C428S378000, C428S394000, C428S395000, C428S396000

Reexamination Certificate

active

07338664

ABSTRACT:
A sustained-release matrix for dental application includes either an anti-microbial agent or a colorant that is released from the matrix when the matrix contacts water. The preferred matrices include a water-soluble polymer and a water-insoluble support resin.

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