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1. 发明授权

US06315565B1 Method and apparatus for tooth cleaning using abrasive powders 失效
标题翻译：使用研磨粉进行牙齿清洁的方法和装置
公开(公告)号：US06315565B1
公开(公告)日：2001-11-13
申请号：US09422422
申请日：1999-10-21
申请人： Noel Slotke , Richard H. Paschke , Allen G. Hoube , Robert J. Schuman
发明人： Noel Slotke , Richard H. Paschke , Allen G. Hoube , Robert J. Schuman
IPC分类号： A61C1500
CPC分类号： A61C3/025
摘要： A tooth cleaning system having a unitary elastomeric injection molded flexible protective shield, and a nozzle having an end portion extending into the shield. The shield is connected to a source of vacuum and has an inner wall having an inner wall perimeter. The nozzle is connected to a fluid source. The fluid from the fluid source travels directly from the nozzle to less than half of the area enclosed by the perimeter. The nozzle is pivotally supported whereby the nozzle is readily repositioned to positions angularly offset from the central axis of the shield to direct fluid from the nozzle to the entire tooth surface enclosed by the perimeter of the shield. The invention provides a method of cleaning teeth including providing a flexible plastic shield positioned against a tooth surface while pressure within the chamber formed by the flexible protective shield and the tooth surface is reduced to a pressure below ambient atmospheric pressure.
摘要翻译：一种牙齿清洁系统，其具有单一的弹性体注射成型的柔性防护罩，以及具有延伸到护罩中的端部的喷嘴。屏蔽件连接到真空源并且具有内壁周边的内壁。喷嘴连接到流体源。来自流体源的流体直接从喷嘴移动到由周边包围的区域的一半以下。喷嘴被枢转地支撑，由此喷嘴容易地重新定位到与屏蔽件的中心轴线成角度偏移的位置，以将流体从喷嘴引导到由屏蔽件的周边包围的整个齿表面。本发明提供了一种清洁牙齿的方法，包括提供抵靠牙齿表面定位的柔性塑料屏蔽，同时由柔性防护罩和牙齿表面形成的腔室内的压力降低到低于环境大气压力的压力。

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