Related Experiment Videos
The mucosal attachment to titanium implants with different surface characteristics: an experimental study in dogs
I Abrahamsson1, N U Zitzmann, T Berglundh
1Department of Periodontology, Göteborg University, Göteborg, Sweden.
Journal of Clinical Periodontology
|June 13, 2002
Summary
Titanium implant surface roughness does not affect soft tissue attachment. Both smooth and rough surfaces resulted in similar mucosal barriers, indicating surface topography is not a critical factor for osseointegration.
Area of Science:
- Biomaterials Science
- Oral Implantology
- Tissue Engineering
Background:
- Cell behavior in vitro is influenced by titanium surface topography.
- This suggests surface roughness may impact mucosal attachment to titanium implants.
Purpose of the Study:
- To investigate the composition of the soft tissue barrier around titanium implants with defined smooth or rough surfaces.
- To compare mucosal attachment to different titanium abutment surface topographies.
Main Methods:
- Five beagle dogs received four titanium implants.
- Abutments with smooth ('turned') or rough (acid-etched) surfaces were connected.
- Biopsies were analyzed using light and electron microscopy; surface topography was measured with a laser profilometer.
Main Results:
- Quantitative and qualitative analysis showed similar soft tissue attachment to both smooth (RA) and rough (OA) titanium abutments.
- The attachment consisted of a barrier epithelium and connective tissue zone of comparable dimensions.
- The connective tissue zone was primarily composed of fibroblasts and collagen.
Conclusions:
- Implant surface roughness (smooth vs. rough) did not influence the formation or composition of the soft tissue attachment.
- The findings indicate that titanium surface topography is not a determining factor for soft tissue integration around implants.