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Anodising of dental components


Anodising Type II

Technology

The DOTIZE® anodising process replaces the thin natural oxide film present at the implant surface by a thick oxide layer. Micropores and cracks in the base material are reduced by the anodisation. The DOTIZE® procedure conforms to the standard AMS 2488 (Aerospace Material Specification).

Anodisation Type II - working srews DOTIZE®-coated
Range of Application

Dental components (abutment screws, fixing screws)

Properties
  • Colour: dark grey to anthracite
  • Coating thickness: 1–2 µm
  • Roughness Rz: ≤ 3 µm
  • Adhesive strength: ≥ 22 MPa
  • Hardness: increase of ~25 %
  • Hardened titanium surface
  • Good biocompatibility
  • Reduced risk of cold welding between components made from titanium
Advantages of the Procedure
  • Increased resistance to wear compared with untreated titanium alloys
  • Higher pre- loading of threaded connections is possible
  • Increase of up to 15 % in the fatigue strength compared with untreated base material
  • No significant changes in the dimensions of the parts

Titanium Anodising - PDF: 500 KB

Anodising Type III

Technology

The anodisation type III (colouring) is performed in diluted acid. The titanium oxide film that is produced works as an optical interference filter. By varying the thickness of the coating all the colours of the rainbow can be produced. The standard colours produced are red, blue, yellow and green. Customers can also select from a larger range of colours.

coloured dental implant components
Range of Application

Type III anodising is qualified for implant components (screws, abutments, cover scews) which are provided in different sizes (e. g. different diameters).
Properties
  • Colours according to the colour scheme
  • Coating thickness: 20–200 nm (depending on colour)
  • Roughness Ra: ≤ 0.05 µm (at polished surface)
  • Adhesive strength: ≥ 22 MPa
Advantages of the Procedure
  • Easier identification of implants
  • Cosmetically appealing

Colour Codes - PDF: 400 KB

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DUOTex<sup>®</sup>

DUOTex®

Subtractive surface by HA-blasting and double acid etching
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CELLTex<sup>®</sup>

CELLTex®

Subtractive surface by corundum blasting and acid etching
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BONITex<sup>®</sup>

BONITex®

HA-blasted, double acid etched surface with bioactive calcium phosphate coating
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CELLBIOTex<sup>®</sup>

CELLBIOTex®

Corundum-blasted, acid etched surface with bioactive calcium phosphate coating
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 BONIT®

BONIT®

Bioactive calcium phosphate coating
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DOTIZE®

DOTIZE®

Anodisation Type II (DOTIZE®)
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Colouring

Colouring

Anodisation Type III (Colouring)
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PVD (Physical Vapour Deposition)

PVD (Physical Vapour Deposition)

Hard coatings for wear protection
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DOT GmbH
Charles-Darwin-Ring 1a
18059 Rostock l Germany

Phone: +49 381- 4 03 35-0
Fax: +49 381- 4 03 35-99



 

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