Orthodontic brackets comprising a filled and...

Details Orthodontic brackets comprising a filled and... Orthodontic brackets comprising a filled and...

2006-10-10

2006-10-10

Wilson, John J. (Department: 3732)

Dentistry

Orthodontics

Bracket

Reexamination Certificate

active

07118373

ABSTRACT:
An orthodontic bracket includes a bracket base and an arch wire slot in the bracket base. The bracket base comprises a polymer resin that is reinforced with glass or ceramic fibers and/or a particulate filler (e.g., a glass spherical particle filler). The bracket may include a ligation cover, which may be hingedly connected to the bracket base and rotatable relative to the bracket base between an open, non-ligating position and a closed, ligating position. The combination of reinforcing fibers and particulate filler provides substantially increased overall strength and durability while providing increased flexibility and toughness to the bracket.

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