Related Experiment Videos
Atomic force microscopic study of commercially available implant abutments
T Sawase1, A Wennerberg, C Hallgren
1Department of Biomaterials/Handicap Research, Institute for Surgical Sciences, Göteborg University, Gothenburg, Sweden. sawase@net.nagasaki-u.ac.jp
Clinical Implant Dentistry and Related Research
|May 19, 2001
Summary
Surface roughness of dental implant abutments impacts plaque formation. The Steri-Oss abutment exhibited the smoothest surface, suggesting potential benefits for peri-implant health.
Area of Science:
- Biomaterials Science
- Dental Implantology
- Surface Characterization
Background:
- Surface roughness of implant abutments correlates with plaque formation.
- Understanding abutment surface characteristics is crucial for maintaining peri-implant health.
Purpose of the Study:
- Analyze implant abutment surface topography using high-resolution imaging.
- Quantitatively characterize surface characteristics of dental implants.
Main Methods:
- Evaluated five commercial implant abutments (Brånemark, Astra, IMZ, Steri-Oss, POI).
- Utilized atomic force microscopy for visual and quantitative analysis.
- Employed analysis of variance and power spectral density analysis.
Main Results:
- Significant differences (p < .05) in surface roughness (Sa) were found among abutments.
- Power spectral density analysis proved effective for spacing parameter assessment.
- Sectional profiles accurately measured feature dimensions.
Conclusions:
- Brånemark, Astra, and IMZ abutments showed directional turning marks.
- The Steri-Oss abutment presented the smoothest surface among those tested.