الفهرس 
AcknowledgementOnly 14 pages are availabe for public view
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Abstract
The aim of this study was to examine the effect of nitrogen plasma surface treatment on the
surface roughness and the wettability of the Carbon fiber filled Polyetheretherketone (CFRPEEK),
ceramic filled PEEK and the unfilled PEEK
The main objective was to test whether the nitrogen plasma surface treatment will improve the
surface wettability and the roughness of the CFR-PEEK, ceramic filled PEEK and the unfilled
PEEK which could aid in increasing the osseointegeration of these materials when they will be
used as dental implants.
The null hyphothesis is that the nitrogen surface treatment will not have any effect or improve
the surface roughness and wettability of the PEEK samples.
Research question
Will the surface roughness and wettability of the untreated polyetheretherketone (PEEK), CFRPEEK
and the ceramic filled poly ether ether ketone (ceramic PEEK) disc samples be different
when nitrogen plasma treatment is applied?
Clinical relevance
If the roughness and the wettability of the PEEK samples can be improved, the osseointegeration
of the material will be improved and PEEK can be used as an alternative material instead of
titanium in oral implantology. Clinicians will be able to provide superiorly esthetic implants
which will be more appealing for the patients with a modulus of elasticity very close to that of
the bone which will provide a better stress distribution to the surrounding bone and increase the
lifetime of the dental implant when compared to titanium implants.