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    • 11. 发明授权
    • Orthodontic bracket and method
    • 正交支架和方法
    • US5160261A
    • 1992-11-03
    • US702943
    • 1991-05-20
    • Jeffrey A. Peterson
    • Jeffrey A. Peterson
    • A61C7/14A61C7/12A61C7/28A61C7/30
    • A61C7/12A61C7/303
    • An edgewise bracket (10) is provided with notches (34, 36, 38 and 40) in wing tips (24, 25, 26 and 27), respectively. The notches (24, 25, 26 and 27) are generally concave and have a mesiodistal width slightly greater or slightly less than the thickness of an archwire retaining device (32) depending on whether the device (32) is a metallic wire or an elastomeric ligature. The archwire retaining device (32) is inserted into the notches (34, 36, 38, and 40) to retain an archwire (30) within a slot (28) which has a depth greater than a thickness of the archwire (30). The device (32) has selectively reduced undesired frictional contact with the archwire (30), and, therefore, frictional interference between the device (32) and the archwire (30), and the archwire (30) and the bracket (10) is reduced or eliminated.
    • 沿翼支架(10)分别在翼尖(24,25,26和27)中设置有切口(34,36,38和40)。 凹口(24,25,26和27)通常是凹形的,并且具有稍微大于或稍微小于弓丝保持装置(32)的厚度的中间星形宽度,这取决于装置(32)是金属丝还是弹性体 结扎。 弓形线保持装置(32)插入到凹口(34,36,38和40)中以将弓丝(30)保持在具有大于弓丝(30)的厚度的深度的狭槽(28)内。 装置(32)选择性地减少与弓丝(30)的不希望的摩擦接触,因此装置(32)和弓丝(30),弓丝(30)和托架(10)之间的摩擦干涉是 减少或消除
    • 17. 发明授权
    • Orthodontic appliance mounting base
    • 正畸器具安装座
    • US5362232A
    • 1994-11-08
    • US967200
    • 1992-10-27
    • Steven A. FranseenJeffrey A. Peterson
    • Steven A. FranseenJeffrey A. Peterson
    • A61C7/12A61C3/00
    • A61C7/12
    • Rails (38) project from a mesial edge (40) and a distal edge (42) of a base (28) of an orthodontic appliance (30) forming a gap between the base (28) and a surface (32) of a tooth (34). At least one post (44) projects from the base (28) between the rails (38). The rails (38) and post (44) are dimensioned to substantially preclude post/tooth contact and reduce the likelihood of appliance detachment from a curved tooth surface. The posts (44) are formed to resist shear forces associated with mastication and to facilitate the smooth flow of bonding material about the posts (44) when the base (28) is pressed against a tooth surface (32) during bonding.
    • 轨道(38)从正牙器具(30)的基部(28)的中间边缘(40)和远端边缘(42)突出,在基部(28)和牙齿(32)的表面(32)之间形成间隙 (34)。 至少一个柱(44)从轨道(38)之间的基部(28)突出。 轨道(38)和柱(44)的尺寸被设计成基本上排除了后/齿接触并且降低了器具从曲面齿表面脱离的可能性。 柱(44)被形成为抵抗与咀嚼相关的剪切力,并且当在接合期间将基部(28)压靠在牙齿表面(32)上时,有助于粘结材料围绕柱(44)的平滑流动。