Lava-esthetic

Celtra® Duo

Celtra® Duo from Dentsply Sirona is a zirconia-reinforced lithium silicate that offers numerous advantages over its restorative alternatives. Celtra® Duo can be milled in its final, crystallized state and it offers comparable, lifelike esthetics to alternative all-ceramic restorations, such as those crafted out of lithium disilicate. Celtra® has a flexural strength of more than 500 MPa. This material is ideal for the anterior and is sure to provide patient satisfaction for every case.

 

Celtra Duo is a lithium silicate, glass-ceramic restoration. Indicated for single unit crowns, 3 unit anterior bridges, inlay/onlay and veneers.

Contraindications include:
Bridges which include molars, Maryland style bridges, and bridges which have a short vertical height that does not allow for adequate connector height.

Anterior full-coverage crowns require a chamfer or shoulder margin. A circular shoulder is prepared with rounded inner edges or a chamfer at an angle of 10-30°: the width of the shoulder/chamfer is approx. 1 mm. Facial reduction is 1.5 – 2 mm; 1 – 1.5 mm lingual contact clearance. Incisal reduction is 1.5 – 2 mm with rounded internal line angles, and an incisal edge at least 1mm wide to permit optimum milling of the incisal edge during CAD/CAM processing. Posterior full-coverage crown requires a chamfer or shoulder margin. A circular shoulder is prepared with rounded inner edges or a chamfer at an angle of 10-30°: the width of the shoulder/chamfer is approx. 1 mm. Occlusal reduction is 1.5 – 2 mm: axial reduction (buccal, lingual, and interproximal) is 1.5 mm with rounded internal line angles.

Celtra duo can be cemented using a resin reinforced glass ionimer such as RelyX Luting cement. Or bonded using a resin cement when extra strength is needed due to lack of retention on the prep, use a resin cement such as RelyX Unicem or RelyX Ultimate.

If adjustments are needed, use fine diamonds with water and light pressure. Always remove the crown when adjusting or bond/cement crown before adjustments are made.).

D2740 Crown – Porcelain/Ceramic Substrate
D6245 Pontic Porcelain/Ceramic
D6740 Abutment Crown Porcelain/Ceramic

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