Does Implant-Abutment Interface affect Marginal Bone Levels around Implants?

Area of Science:

• Dental Implantology
• Periodontology
• Biomaterials Science

Background:

• Marginal bone loss is a common complication with dental implants, influenced by surface roughness and implant-abutment connections.
• Different implant-abutment interface designs, such as platform switch and platform match, may affect peri-implant bone levels.

Purpose of the Study:

• To compare marginal bone levels in osseointegrated dental implants with platform switch versus platform match designs.
• To evaluate the influence of implant-abutment interface on marginal bone loss in different implant systems.

Main Methods:

• Retrospective analysis of 321 dental implants in 107 patients (April 2006 - May 2015).
• Implants included platform switch (Ankylos) and platform match (Dentsply Xive, MIS Implant Technologies).
• Marginal bone levels were assessed using the Image J software.

Main Results:

• 47.5% of all implants exhibited no marginal bone loss.
• Mean bone loss was significantly lower in the platform switch group (Ankylos: 0.81 ± 1.60 mm) compared to platform match groups (Dentsply Xive: 1.58 ± 1.59 mm; MIS: 1.18 ± 1.36 mm).
• The observed differences in bone loss between groups were statistically significant (p < 0.005).

Conclusions:

• Platform switch design in dental implants is associated with reduced marginal bone loss.
• This finding suggests that platform switching may contribute to improved long-term success rates for dental implants.
• The study highlights the importance of implant-abutment interface design in preserving peri-implant bone health.