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Morphological study of Osteoplate 2000-extension implants after bending
F P Strietzel1, H Krueger, R Semmler
1Universitätsklinikum Charité, Medizinische Fakultät der Humboldt-Universität zu Berlin, Zentrum für Zahnmedizin Abteilung für Oralchirurgie und Zahnärztliche Röntgenologie, Berlin, Germany. frank.strietzel@charite.de
Implant Dentistry
|April 20, 2001
Summary
Bending dental implant necks can alter titanium surface properties, creating microscopic rips. This surface modification may impact plaque accumulation and tissue irritation, requiring further investigation for implant stability.
Area of Science:
- Biomaterials Science
- Dental Implantology
- Surface Engineering
Background:
- Dental implant placement is often complicated by unfavorable anatomy, necessitating angled insertions.
- Implant neck bending is a technique to optimize prosthesis fit and esthetics in challenging cases.
- The impact of bending on the titanium implant neck's surface integrity and properties is not fully understood.
Purpose of the Study:
- To investigate the effects of bending dental implant necks on surface properties.
- To analyze changes in surface morphology and texture after controlled bending procedures.
Main Methods:
- Dental implant necks were bent up to 30 degrees.
- Scanning electron microscopy (SEM) was used to examine surface texture changes.
- Metallographic examinations and Vickers hardness testing were performed on the bent areas.
Main Results:
- SEM revealed superficial rips (approx. 5 µm wide, 100 µm long) on the titanium surface after bending.
- Vickers hardness testing showed significant differences between compression, stretched, and neutral zones in the bent area.
- Bending between 0 and 20 degrees was found to potentially influence surface morphology and induce superficial rips.
Conclusions:
- Bending dental implant necks alters surface morphology, creating micro-rips and affecting mechanical properties.
- These surface changes may have implications for plaque accumulation and mucosal irritation.
- Further research is needed to evaluate the clinical significance of these findings on implant success.