Treatment of tooth surfaces and substances therefor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 7, 1999
Issued Date -
N/A
app pub date -
Mar 1, 1999
filing date -
Oct 20, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tooth having a tooth surface with a plurality of tubules and microchannels defined therein is treated with a polymeric hydrogel formed by a polyphosphazene substance and a metal salt. The polyphosphazene substance may be combined with a pharmacologically active substance before the hydrogel is formed via a reaction with the metal salt so that the hydrogel functions as a vehicle for the pharmacologically active substance.
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