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Micro‑layering for implant‑supported zirconia prostheses

Micro-layering with CERABIEN MiLai supports the fabrication of highly aesthetic and well-integrated implant restorations. (All images: Kuraray Noritake Dental)

Fri. 27. June 2025

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IOANNINA, Greece: Numerous finishing techniques are available for zirconia-based screw-retained implant-supported prostheses; however, most of them are quite complex and time-consuming. One streamlined approach that brings efficiency into the finishing procedure, without compromising aesthetics and function, is micro-layering with CERABIEN MiLai (Kuraray Noritake Dental) on a zirconia superstructure with just a slight vestibular cutback. The technical procedure demonstrated in the following case example was performed by master dental technician Andreas Chatzimpatzakis for a patient treated by prosthodontist Dr Georgios Siavikis.

Fig. 1: Occlusal view of an implant-supported overdenture made of KATANA Zirconia HTML PLUS (Kuraray Noritake Dental) for a male patient with an edentulous maxilla and a removable partial denture in the mandible.

Fig. 1: Occlusal view of an implant-supported overdenture made of KATANA Zirconia HTML PLUS (Kuraray Noritake Dental) for a male patient with an edentulous maxilla and a removable partial denture in the mandible.

Fig. 2: Frontal view of the milled and sintered screw-retained implant-supported prosthesis.

Fig. 2: Frontal view of the milled and sintered screw-retained implant-supported prosthesis.

Fig. 3: After application of CERABIEN MiLai SS Fluoro and internal stains to enhance the natural shading of the restoration in the dental and gingival areas.

Fig. 3: After application of CERABIEN MiLai SS Fluoro and internal stains to enhance the natural shading of the restoration in the dental and gingival areas.

Fig. 4: Result of micro-layering with CERABIEN MiLai porcelains, LT1 for the cervical areas, as well as E2 and Tx for the middle and incisal regions, for a seamless translucency gradient, and Tissue 1, 5 and 6 for blending harmoniously with the patient’s surrounding gingivae.

Fig. 4: Result of micro-layering with CERABIEN MiLai porcelains, LT1 for the cervical areas, as well as E2 and Tx for the middle and incisal regions, for a seamless translucency gradient, and Tissue 1, 5 and 6 for blending harmoniously with the patient’s surrounding gingivae.

Fig. 5: Restoration after finishing.

Fig. 5: Restoration after finishing.

Figs. 6a & b: Lifelike colour, translucency and surface texture of the gingival and dental areas.

Figs. 6a & b: Lifelike colour, translucency and surface texture of the gingival and dental areas.

Figs. 6a & b: Lifelike colour, translucency and surface texture of the gingival and dental areas.

Figs. 6a & b: Lifelike colour, translucency and surface texture of the gingival and dental areas.

Fig. 7: Intra-oral view.

Fig. 7: Intra-oral view.

 CERABIEN MiLai SS Fluoro.

CERABIEN MiLai SS Fluoro.

In this case, the use of an aesthetic, high-strength multilayered zirconia enabled a streamlined finishing technique. Micro-layering with CERABIEN MiLai was effective, the product providing consistent material properties and precise control over layering and shading, thus supporting the fabrication of highly aesthetic and well-integrated implant restorations.

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