COWELL MINI PLUS IMPLANT SYSTEM

タイトルまたは説明

 1.Surface Treatment (Anodic Spark Deposition Method)
2.CEMENT TYPE
3.BALL TYPE

*Specification

1) Material : Titanium

2) Surface Treatment (ASD : Anodic Spark Deposition Method)

*Rough and porous Titanium Oxide layer mimicking the etched dentinal tubules of tooth
*Titanium Oxide layers thickness and Porosity controlled by voltages
*Excellent wettability

A. Comparative Analysis of Different Surface Treatments
ASD surface has 0.2~2μm micropores, which provides superior anchorage point for collagens and proteoglycans to invaginate into. The round contours of micropores in ASD surface maximize surface area, and allow more collagen bundles of osteoblast to anchor in larger surface area.

B. Attachment Stage of the Human Osteosarcoma Cells (U2OS) to ASD Treated surface.

a) Initial Contact with Surface
The projections composed of the extracellular matrix, collagens and proteoglycans which are secreted from human osteosarcoma cells(U2OS) anchor fast to 0.2~2 micropores and valley around micropores of ASD treated surface.
The *0nm collagen fiber seems to have an affinity for the micropores. This phenomenon explaines that at 4 weeks, the removal torque strength of ASD treated surface showed higher bone-bonding ability in the earlier stage.

b) Circumferential Spreading 
U2OS cells spread circumferentially over ASD treated surface. The cell is flattened on the surface.

c) Full Spreading and Flattening 
The cells are more flattened. The excretion composed of extracellular matrix, collagens,proteoglycans finally covers over the all surface.

d) Cells with Lamellipodia
The cells anchor to the treated surface and the adjacent cells with lamellipodia. The cell is divided itself and grows over the surface.

e) Completion of Osseeointegration
Osteoblasts cover the most of surface. Osseointegration is completed in histology.

3) Type 
Ball and Cement Type

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