The OSO is a popular extracoronal attachment that provides free movement in all planes for maximum protection. A proven retentive system utilizing an easily replaceable rubber O ring. This is a resilient attachment with vertical and hinge stress-breaking action for free-end and bounded partials. May be used in conjunction with other attachments.
The metal retainer ring is sold separately.
OSO Distal Extension

Code	Name	Price
203	OSO Distal Extension Attachment Complete	$46.00
205	OSO #3 White Standard O-Rings (12)	$21.00
206	OSO #3 Black Standard O-Rings (6)	$27.00
209	OSO Red Processing O-Rings (12)	$25.00
210	OSO #3 Metal Retainer Rings (ea)	$21.00
213	OSO Distal Extension Analogue (ea)	$21.00
215	OSO Distal Extension Paralleling Mandrel (ea)	$12.00

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Mailing Address :: PO Box 1030 :: Santa Ynez, CA 93460 --- Physical Address :: 2976 Long Valley Road :: Santa Ynez, CA 93460