dental implant coating

8/3/2019 Dental Implant Coating

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Innovative Surface Treatments

for Dental Implants

Coatings


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One Source Multiple Solutions

Coatings

Background The long-term success o dental im-plants largely depends on rapid healingwith sae integration into the jaw bone.Both requirements can be achieved byadequate surace unctionalisation with

dierent and complementary suracetreatment processes. As a general rule,in a rst step the surace is roughenedby dierent blasting media. Where

required it is urther structured by anacid etching process, which is ollowedby the deposition o a bioactive Calci-umphosphate coating. Such micro and

nanostructured suraces display a highdegree o biocompatibility and promotethe ongrowth o bone.

DOT oers State-o-the-Art suracetreatment solutions or dental implantsin rst grade quality. Generally DOT sur-

ace enhancements can be supplied orall dental implant systems, independento individual geometry. Dental implantswith unctional DOT surace treatments

have received CE and KFDA approvals.

DOT has provided surace treatments

or more than 250.000 dental implantsduring the past years.

Apart rom the unctional surace treat-ments or dental implants, DOT oerssolutions or the anodisation o implantcomponents and implant related

instruments. Also, DOT is servicing PVDcoatings or cosmetic applications andor wear reduction o rotating dentalinstruments.

In a time where the combined appli-cation o several surace treatmentsbecomes a key success actor or dental

implant systems, OEMs can substan-tially benet rom a supplier, who isservicing the whole range o suracetreatments. As the one source oering

multiple surace enhancement options,DOT helps to cut production lead timeand thus to speed up time to market.

DOT oers the ollowing combined orsingle surace treatments or dentalimplant systems and instruments:

Surface Treatment Process

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CaP coating (BONIT)

CaP coating (BONIT)

Double acid etching

PVD coating (TiN, ZrN)

Anodisation type II (DOTIZE)

Anodisation type III (Colouring)

Corundum blasting

HA blasting

HA blasting

HA blasting Double acid etching CaP coating (BONIT)

DUOTex

BONITex


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Coatings

Characteristics

1. Corundum blasting / CaP coating (BONIT)

Generally cells adhere better ontorough suraces. Corundum blastingcreates deep pits in the surace that

can act as retentive pockets or newlyormed bone.

BONIT is an electrochemically de-

posited CaP coating developed by DOT.The fuid-phase coating process allowsor the realisation o thin coatings

with a thickness o either 53 m or2010m. BONIT is a composite oBrushite and HA, usually with a ratioo 95%/5%. I required, it can also be

oered as pure HA coating (BONIT-

HA). Besides the low layer thickness

that prevents delamination, BONIThas several other advantages overplasma sprayed HA coatings, such

as a microcrystalline structure andhomogeneous solubility. Between 6and 12 weeks ater implantation thecoating is completely resorbed.

DOT has provided BONIT suracetreatments or more than 250.000dental implants during the past years.

2. HA blasting / CaP coating (BONIT)

As a resorbable blasting media(RBM), sintered HA powder particles

are increasingly used to enhance thesurace roughness. The solubility oHA acilitates the complete removal oblasting residuals and ensures a clean

surace. On the other hand, potential

HA residuals are highly

biocompatible and thereore - con-trary to corundum - cannot reducecell prolieration and thus negatively

infuence osseointegration.

CaP coating (BONIT),

see No. 1

3. HA blasting / Double acid etching (DUOTex)

HA blasting, see No. 2

Suraces with a high macro rough-ness (as generated by HA blasting),

that are enhanced by a micro roughtopography, have an optimal bone/im-plant contact.

Thereore, ater HA blasting a double

acid-etching step (or cleaning andtexturing) is applied to add microstructure to the HA blasted productsand thus to achieve optimal rough-

ness properties.

4. HA blasting / Double acid etching / CaP coating (BONITex)

HA blasting, see No. 2 Double acid etching,

see No. 3 CaP coating BONIT with

thickness 53 m, see No. 1

The BONITex coating as a combination

o optimal roughness characteristicsand a very thin, quickly resorbable CaPlayer comprises all eatures to allow

or high primary stability and rapidbone ongrowth. BONITex coatedimplants have shown signicantlyincreased bone-implant contact 14

to 30 days ater implantation. Weconsider this as the Golden Standardor unctional dental implant coatings,

resulting in reduced healing timeand the possibility o early implantloading.

DOT surface treatmentoptions for dental implants(SEM pictures)


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Coatings

5. PVD coating (TiN, ZrN)

PVD (Physical Vapour Deposition)coatings, such as Titanium Nitrideor Zirconium Nitride are applied or

cosmetic reasons on dental implantcollars and abutments or or reasons

o wear protection on rotating

dental instruments. TiN ceramichard coatings with a thickness o ~2m enhance the product lie span o

instruments and can avoid potentialcontaminations due to their proven

biocompatibility.

6. Anodisation type II (DOTIZE)

Anodisation type II surace treat-

ments with a thickness o max. 3m are produced by an electro-che-mical process on prosthetic screws

with the aim to reduce cold welding

and allow for easy screw removal,

if necessary. The DOTIZE procedu-re conforms to the standard AMS2488.

7. Anodisation type III (Colouring)

To have optimal working conditionsduring surgical procedures, anodisa-tion type III electro-chemically trea-

ted suraces are used or the colourcoding o dental implant abutmentsor temporary implant components,

such as cover screws. Depending

upon the selected colour the layerthickness is 20-200 nm. DOT servicesa broad variety of colours.

Publications(Selection)

1. S. Szmukler-Moncler, P. Zeggel,D. Perrin, J.-P. Bernard,H.-G. Neumann, Bio-Implant Interace2003, 73-100, From Microroughnessto Resorbable Bioactive Coatings

2. R. Lutz, S. Srour, P.Kessler, E. Nkenke, K.A. Schlegel, Im-plants 2008 (1), 16-20,Animal experi-mental study of the healing of endoste-al implants with vacuum titanium sprayand calcium phosphate coating

F-DENTAL-160209-EN

DOT GmbHCharles-Darwin-Ring 1a18059 RostockGermany

Tel: +49(0)381- 4 03 35-0Fax: +49(0)381- 4 03 [email protected]

DOT is one o Europes leading providers o medical coatingsolutions or orthopedic and dental implants and instrumentsand also their cleanroom packaging.

We also manuacture implants and products or regenerativemedicine or dental and orthopedic applications.

Our comprehensive supply chain concept makes us an idealmedical technology partner. Our activities help restore the health o patientsworldwide and thus make a major contribution to the improvement o their

quality o lie.

dental implant coating

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