O-Ring Abutment System (ORS)

O-Ring Abutment System. The O-Ring abutment system can accommodate up to 5 degrees of divergence between implants. Each O-Ring System includes a titanium male abutment and an ORS lab kit which includes a brass abutment analog, metal housing, 3 red O-Rings and 3 white O-Rings. Note: The red O-Ring is used for laboratory set-up and the white O-Ring is used for the finished overdenture.