发明名称 |
Oral vestibule plate for prophylactic purposes and early orthodontic treatment |
摘要 |
An oral vestibule plate for prophylactic purposes includes a curved rigid shield. A cross piece is disposed on the center plane of the shield along the secant of its curvature. The cross piece comprises a wire bent to hold back the tip of the tongue thereby preventing damage otherwise caused by the tongue.
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申请公布号 |
US4690640(A) |
申请公布日期 |
1987.09.01 |
申请号 |
US19850798901 |
申请日期 |
1985.11.18 |
申请人 |
HINZ, RELF |
发明人 |
HINZ, RELF |
分类号 |
A61C7/12;(IPC1-7):A61C7/00 |
主分类号 |
A61C7/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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