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CreoZir

CreoZir is a monolithic solid zirconia restoration with no porcelain overlay. More brawn than beauty, you’ll be impressed by the esthetics of CreoZir when prescribed instead of posterior metal occlusal PFMs and full-cast metal restorations. CreoZir is virtually chip proof, making it the ideal restoration for bruxers, implant restorations and areas with limited occlusal space.

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  • CreoZir is a monolithic zirconia crown with no porcelain veneering.

  • CreoZir has optimum properties for dental use with superior toughness, strength, increased translucency and fatigue resistance, in addition to excellent wear properties and biocompatibility.

  • Esthetic alternative to metal occlusion and full cast metal restorations

  • Metal-free, all-ceramic restorations have become more widely distributed due to their high esthetic potential and their excellent biocompatibility. However the veneering material has been layered according to the well-known fabrication process of the metal–ceramic technique to date. The rates of chipping of zirconia veneering ceramics have been reported to be 2%~9% for single crowns after 2~3 years and 3%~36% for FDPs after 1~5 years. Recently, there has emerged a trend of fabrication of full-contour zirconia restoration to avoid veneering failure as an alternative to the aforementioned method.

Validations

Wear of Opposing Natural Human Enamel Surface on Zirconia

“The wear amount of enamel in this study was higher when enamel was opposed by veneered zirconia (0.6220 gm) mean weight loss in comparison to enamel opposed by full-contour zirconia (0.4004 gm) mean weight loss, this was due to the lower level of enamel hardness when compared to veneering porcelain, and because the fracture toughness of enamel is significantly lower than that of the veneering porcelain.”

(Aboushahba et al., Evaluation of hardness and wear of surface treated zirconia on enamel wear. An in-vitro study, 2018)

Weight Loss of Enamel (gm)

Thickness Requirements

Thickness
Anterior Posterior
Ideal  0.8 1.0
Minimum 0.6 0.6
Margin preference Shoulder or chamfer

Resources

Indications

  • Posterior crowns and bridges

  • Full arch bridges up to 14 units

  • Implant restorations

  • Limited occlusal space

  • Patients with bruxism or parafuctional habits

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