LABORATORY PROCEDURE: METHOD

Cresco API™ components used in this section:
- Bridge Screw
- Process Screw

Finalising the framework
Before the framework is sent to the clinician for a try-in, make a final check to verify the grinding and precisioning process, final design and the passive fit of the framework.

1. Verify the design and occlusal clearance of the framework. If additional grinding is needed, do not grind directly on the laser weld.

Note: Grinding directly on the laser weld will reduce its strength, possibly causing future failures.

Make sure the Bridge Screws functions correctly and smoothly. If additional grinding is needed, carefully use a round-drill (size 27) and grind the inside of the screw entrance hole where this is needed. By holding the construction with the apical ends upwards, it is easy to ensure that the screw seats are not affected by the grinding.

Note: Avoid using fissure drills or inverted conical drills, as these types of drill can make grooves inside the screw access holes.

2. Deliver the precisioned framework to the prosthodontist for a try-in.

A try-in is recommended when large restorations are fabricated. The try-in is performed of the final metal framework before finalising the restoration. It can be regarded as optional in cases involving small restorations.

Note: Do not send the Process Screw to the prosthodontist.