Tooth-hardening apparatus
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United States of America Patent
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Sep 20, 2011
Grant Date -
Oct 21, 2004
app pub date -
Apr 20, 2004
filing date -
Apr 21, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A tooth-hardening apparatus 10 according to the present invention includes a tooth-hardening member 11 of a plate shape having a projection 13 on its surface, and a nipple 15 attached on the tooth-hardening member 11. The nipple has a predetermined hardness to provide a pacifier function and a tooth-hardening function. A space 21 is formed in the tooth-hardening member 11. The space 21 is covered with an upper transparent cover 18 and a lower transparent cover 19.
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