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Peri-implant tissue behavior around non-titanium material: Experimental study in dogs
José Eduardo Maté Sánchez de Val1, Gerardo Gómez-Moreno2, Carlos Pérez-Albacete Martínez1
1International Research Cathedra, UCAM, Universidad Católica San Antonio, Murcia, Spain.
Summary
Non-titanium abutments, specifically reinforced polyetheretherketone (PEEK), effectively maintain peri-implant biological width and soft tissue stability. These PEEK abutments offer a viable alternative to traditional titanium, promoting bone preservation.
Area of Science:
- Dental Implantology
- Biomaterials Science
Background:
- Establishing adequate peri-implant biological width is crucial for long-term dental implant success.
- Titanium abutments are conventional, but alternatives are being explored for improved biocompatibility and tissue integration.
Purpose of the Study:
- To evaluate the efficacy of non-titanium (reinforced polyetheretherketone - PEEK) abutments compared to titanium abutments.
- To assess the impact on peri-implant biological width establishment and soft tissue stability.
Main Methods:
- Histological, histomorphometric, implant stability quotient (ISQ), and radiological analyses were conducted.
- Forty-eight implants were placed in dogs, with 24 receiving PEEK abutments (test group) and 24 receiving titanium abutments (control group).
Main Results:
- Significant differences were observed in mucosa to lingual bone contact (PM-Lc) and lingual bone contact (PM Lingual-IS) between groups.
- The reinforced PEEK group demonstrated favorable outcomes in bone height preservation and soft tissue stability compared to the titanium group.
Conclusions:
- Reinforced PEEK abutments are a biocompatible and effective alternative to titanium abutments.
- PEEK demonstrates potential for preserving bone height and ensuring soft tissue stability around dental implants.

