OSO O-Ring Components

OSO Overdenture Attachment

Castable Male overdenture pattern.

• 5.2mm height, may be reduced to 2.5mm
• 2.0mm Ø

Attachment comes with 3 white final rings, and 1 red processing ring.

Metal Rings are available separately.

OSO Distal Extension Attachment

Castable Male overdenture pattern.

• 5.2mm height, may be reduced to 2.5mm
• 2.0mm Ø

Attachment comes with 3 white final rings, and 1 red processing ring.

Metal Rings are available separately.

Rubber O-Ring #2

Smaller size O-Ring.  Package of 12.   

• 1.20mm internal Ø
• 3.57mm outer Ø

 Rubber O-Ring #3

Standard size O-Ring.   Package of 12.   

• 1.60mm internal Ø
• 4.78mm outer Ø

OSO O-Ring size chart

Rubber O-Ring #3

Standard size O-Ring.   Package of 6.   

• 1.60mm internal Ø
• 4.78mm outer Ø

Rubber O-Ring #4

Large size O-Ring.   Package of 6.   

• 1.98mm internal Ø
• 5.16mm outer Ø

Rubber O-Ring #5

Extra Large size O-Ring.   Package of 6.   

• 2.39mm internal Ø
• 5.55mm outer Ø

Processing O-Ring

Processing O-ring.  Package of 12.

• 1.60mm internal Ø
• 4.2mm outer Ø

Metal Housing #2 Size

Metal housing for  #2 O-Rings.  Makes changing O-Rings simple.  Packaged individually

• 2.0mm height
• 4.8mm outer Ø

Metal Housing #3 Size

Metal housing for Standard #3 O-Rings.  Makes changing O-Rings simple.  Packaged individually

• 2.0mm height
• 5.2mm outer Ø

Metal Housing #4 Size

Metal housing for Large #4 O-Rings.  Makes changing O-Rings simple.  Packaged individually

• 2.0mm height
• 5.6mm outer Ø

Metal Housing #5 Size

Metal housing for Large #4 O-Rings.  Makes changing O-Rings simple.  Packaged individually

• 2.0mm height
• 6.0mm outer Ø

OSO Distal Extension Fabricating Jig

One per package.

For duplication and retention in stone models.

OSO Overdenture Fabricating Jig

One per package.

For duplication and retention in stone models.

OSO DE Paralleling Mandrel

One per package.

For assuring a parallel setting of OSO Distal Extension attachments..

OSO OD Paralleling Mandrel

One per package.

For assuring a parallel setting of OSO Overdenture attachments..