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Trial 2012

- Trial 2012

 

Osteointegration trial

 

The aim of this trial was to find the optimal surface treatment for MP1TM screws for best Osteointegration.

Three surface treatments were tested:

  • No treatment
  • Abrasion with SiC
  • Abrasion + Ta deposition by Plasma

Coating and abrasion were tried in order to promote the osteointegration into the bone.

Screws were implanted in rabbits for 4-6 weeks.

Results:

 Time implanted in rabits

4 weeks

6 Weeks

No treatment

13.08

17.93

Abrasion with SiC

13.8

20.66

Abrasion + Ta deposition by Plasma

16.5

24.5

 

24 screws of 2 designs were implanted in sheep bone for 4-12 weeks

Results were excellent (see opinion letter)

 

 

 

 

 

 

                              2 kinds of MP1 screws implanted

 

Implanting in bone




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