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Hybrid Versus Moderate Rough Implants in Periodontally Compromised Patients: A Randomized Controlled Split-Mouth
Anton Dank1, Daniël Wismeijer1, Pieter van Elsas1
1Department of Reconstructive Oral Care, Academic Centre for Dentistry Amsterdam (ACTA), Vrije Universiteit Amsterdam and University of Amsterdam, Amsterdam, the Netherlands.
Clinical Implant Dentistry and Related Research
|July 24, 2026
Summary
Hybrid and moderately rough implants showed similar clinical outcomes and bone levels after one year in periodontally compromised patients. Extended follow-up is crucial for detecting potential long-term peri-implant diseases.
Area of Science:
- Dental Implantology
- Periodontology
- Biomaterials Science
Background:
- Periodontally compromised patients present unique challenges for dental implant success.
- Assessing implant performance in this population is critical for treatment planning.
Purpose of the Study:
- To compare clinical conditions and marginal bone levels of hybrid and moderately rough implants.
- Evaluate outcomes at one year post-placement in the mandible of periodontally compromised patients.
Main Methods:
- A multicenter, split-mouth study involving 39 periodontally compromised patients.
- Placement of hybrid and moderately rough tissue-level implants in the mandible.
- Radiographic assessment of bone levels at 1-year follow-up after prosthetic restoration.
Main Results:
- Both implant types demonstrated high survival rates (94.4%).
- No significant differences in marginal bone level changes were observed between hybrid and moderately rough implants at one year.
- All implant failures were due to lack of osseointegration.
Conclusions:
- Hybrid and moderately rough implants exhibit comparable clinical and radiographic results after one year.
- Long-term monitoring is essential due to the potential for delayed peri-implant diseases.
- A three-year follow-up evaluation is planned to assess long-term outcomes.