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The mucosal attachment at different abutments. An experimental study in dogs
I Abrahamsson1, T Berglundh, P O Glantz
1Department of Periodontology, Göteborg University, Sweden.
Journal of Clinical Periodontology
|October 8, 1998
Summary
Dental implant abutment material significantly impacts mucosal barrier quality. Titanium and ceramic abutments promote healthy tissue attachment, while gold and porcelain showed poor results, leading to recession and bone loss.
Area of Science:
- Biomaterials Science
- Dental Implantology
- Periodontology
Background:
- The success of dental implants depends on the peri-implant mucosal barrier.
- Abutment material may influence the quality of this barrier.
- Understanding this relationship is crucial for long-term implant stability.
Purpose of the Study:
- To investigate the influence of different abutment materials on the peri-implant mucosal barrier formation.
- To compare the histological outcomes of titanium, ceramic, gold, and porcelain-fused-to-gold abutments.
Main Methods:
- Five beagle dogs received dental implants with various abutment materials (cp-titanium, ceramic, gold, porcelain-fused-to-gold).
- A plaque control program was maintained for six months post-abutment connection.
- Histological examination of peri-implant tissues was performed.
Main Results:
- Titanium and ceramic abutments supported a well-formed mucosal barrier with epithelial and connective tissue attachment.
- Gold and porcelain abutments resulted in poor attachment, soft tissue recession, and bone resorption.
- The abutment material influenced the location and quality of soft tissue integration with the implant.
Conclusions:
- Abutment material choice is critical for establishing a stable peri-implant mucosal barrier.
- Titanium and ceramic are favorable for mucosal attachment, promoting better implant outcomes.
- Material properties like adhesion and corrosion resistance may explain the observed differences.