Importance

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Abstract

A dental prophylaxis angle includes a body having a sleeve, a neck, and a one piece hollow head formed at the end of the neck. A drive member, including a drive gear and shaft is received in the body. A driven member, including a driven gear and shaft, is received in the head so that the driven and drive gears mesh with each other. A cap is received and secured in the head and snappingly receives the driven member. The cap locks the driven member in the head of the angle. The driven member includes a platform spaced above the driven gear having a diameter equal to the diameter of the head to close the opened head. The platform and driven gear define a channel. The cap has a side wall, a part of which is flexible. A finger extends inwardly from the flexible portion of the cap wall and into the channel between the driven gear and platform to snappingly secure the driven member in the cap. The cap includes a projection which interacts with the head to lock the cap in the head. A method of assembling the angle is also disclosed.

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First Claim