Screw-Retained Restorations

The abutment and crown are an integrated unit without the use of cement.

Benefits

Considerations

Benefits

  • Retrievability.
  • Can evaluate underlying implant.
  • Superior retention at minimal occlusal height.
  • Lower maintenance.

Considerations

  • Aesthetics may not be ideal.
  • Challenging insertion posteriorly.

SCD produce implant-retained restorations with either original or genuine components of implant systems or by using cutting-edge milling technology to fabricate custom components.

Cast Abutments

These are waxed up, cast and have veneering porcelain or ceramic-composite hybrids applied. A casting alloy is used, which is compatible with the castable base.

screw Retained Prostheses2

Titanium bases

Titanium bases are manufactured using CAD/CAM techniques and used as adhesive
bases for individual implant-supported reconstructions. Restorations on titanium
bases can be made of either monolithic or laminated zirconium-oxide ceramics,
lithium disilicate or ceramic-composite hybrids and ensure a high-precision fit to the
implant.

screw Retained Prostheses3

Angulated screw channels

Angulated screw channel technology allows placement of the screw access hole
anywhere between 0° to 25° from the axis of the implant screw channel, improving
access and enabling cement-free and more aesthetic outcomes.

screw Retained Prostheses1

Milled Abutments

The materials commonly used are titanium, zirconia or cobalt chromium.

Zirconia abutments are highly aesthetic. Alloy abutments are stronger than zirconia
abutments.

Cobalt chromium is a popular material for PFM screw-retained units as porcelain
bonds more predictably to the alloy. In large-span and heavy load-bearing cases,
alloys are the preferred option compared with zirconia.

screw Retained Prostheses4



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