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Microleakage at the Different Implant Abutment Interface: A Systematic Review.
Sunil Kumar Mishra1, Ramesh Chowdhary2, Shail Kumari3
1Reader, Department of Maxillofacial Prosthodontics and Implantology, Peoples College of Dental Sciences and Research Centre, Bhopal, Madhya Pradesh, India.
Journal of Clinical and Diagnostic Research : JCDR
|August 3, 2017
Summary
Microleakage at the implant-abutment interface is a concern for dental implant success. Internal conical (Morse taper) connections offer superior sealing compared to external hexagon designs, especially under dynamic loading.
Area of Science:
- Biomaterials Science
- Dental Implantology
- Microbiology
Background:
- Microleakage at the implant-abutment interface can lead to bacterial accumulation and compromise dental implant success.
- Understanding the sealing capabilities of different implant connections is crucial for preventing complications.
Purpose of the Study:
- To systematically evaluate and compare the microleakage of various dental implant connections.
- To identify implant connections that provide optimal sealing against bacterial ingress.
Main Methods:
- A systematic literature search was conducted in Medline, EBSCO host, and PubMed databases in January 2017.
- Articles were screened for their focus on implant connection sealing capabilities against microleakage.
- Selected articles underwent full-text review to ensure adherence to inclusion criteria.
Main Results:
- Thirty out of 78 initially identified articles met the inclusion criteria for the systematic review.
- All reviewed studies indicated some degree of microleakage at the abutment-implant interface.
- Morse taper (internal conical) connections demonstrated significantly less microleakage than other designs, particularly under static loading conditions.
Conclusions:
- Internal conical (Morse taper) implant connections show promising results in preventing microleakage, outperforming external hexagon designs.
- Microleakage increases under dynamic loading conditions, highlighting the importance of connection design.
- Strict adherence to manufacturer-recommended torque and careful consideration of abutment material (favoring titanium over zirconia for sealing) are essential for optimal implant-abutment seal.
