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An improved Hawley active retainer

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Registration number：G20250522

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Key words： Oral orthodontic treatment medical devices

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Publisher：管理人员

Release time：2025-08-09 08:54:50.0

  • Essential information
Name of achievement： An improved Hawley active retainer
Result registration number： G20250522 Subject classification：
Green classification： Item keywords： Oral orthodontic treatment   medical devices      
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Tongji University

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Mode of cooperation： Outcome Information：
Countries/regions： China Intellectual property rights：
Introduction： Click to view
By improving the traditional Hawley removable retainer after orthodontic treatment, this design overcomes the disadvantages of other modified Hawley retainers that can maintain the closure of extraction gaps but are complex to manufacture. Compared to other modified designs, it is simple and easy to implement, with good clinical application results.
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