Orthodontic appliance and bracket
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 1, 2000
Grant Date -
N/A
app pub date -
Nov 4, 1997
filing date -
Jun 13, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An orthodontic appliance of the present invention has a combination of a bracket with a hook and a bracket without a hook. The bracket with a hook includes a metal body formed with a groove therein adapted for being engaged with an arch wire and provided with a hook thereon, the hook is integrally formed with the metal body; and a synthetic resin housing for accommodating the metal body therein such that inner surface of the groove is exposed and at least top portion of the hook projects from the synthetic resin housing. The bracket without a hook includes a metal body formed with a groove therein adapted for being engaged with an arch wire; and a synthetic resin housing for accommodating the metal body therein such that inner surface of the groove is exposed.
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