All Ceramic Crown Cementation

Today s modern cement is designed to provide excellent marginal integrity which helps to compensate for any tiny discrepancies between the tooth preparation and the restorative material.

All ceramic crown cementation.

Speedcem plus the self adhesive dual curing luting composite is even easier to use than a conventional cement. 3 the selection of a particular ceramic system should be based on physical properties such as strength fracture resistance wear. For further reference please refer to instructions for use step by step card and frequently asked questions. Pre fabricated and cast posts and pins.

In relation to final cementation of all porcelain restorations it is important to note that the materials used for this should exhibit shear thinning a reduction in viscosity with applied pressure to minimize fracture of the restoration upon seating. When bonding the surface of the restoration is etched with 5 hydrofluoric acid for 20 seconds before being thoroughly rinsed. Step 6 remove provisional restoration. Additionally the cement available for different types of all ceramic crowns require specific surface treatments to be used which optimizes bonding.

All ceramic is a catch all category but it really describes restorations fabricated without cast metal. Bonding conventional all ceramic crowns. 11 12 critical usage factors and idiosyncrasies make the use of resin cements for routine procedures more difficult and these cements are not a guarantee against postoperative. Successful application of all ceramic materials depends on the practitioner s ability to select both the appropriate material and cementation protocol that satisfy the patient s needs and expectations.

Metal and porcelain fused to metal crowns bridges inlays and onlays. All ceramic restorations can be crowns bridges inlays onlays and veneers. They are essential for cementation of many all ceramic crowns to prevent crown fracture 10 but are also useful in low retention conventional crown or post situations. Sometimes it is necessary to precondition the tooth but this is dependant.

Strengthened core ceramic crowns and bridges. Mechanically clean prepared tooth e g. Glass ceramic crown cementation step 1 etch with hydrofluoric acid after try in. All ceramic composite crowns bridges inlays and onlays.

All temporary cement residue. Trial fit the restoration and clean thoroughly. A primer is applied for one minute enabling the resin based cement to bond to the all ceramic crown. 2 indicated for final cementation of.