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Marginal Bone Loss Around Early-Loaded SLA and SLActive Implants: Radiological Follow-Up Evaluation Up to 6.5 Years
Işil Damla Şener-Yamaner1, Gökhan Yamaner, Atilla Sertgöz
1*Assistant Professor, Faculty of Dentistry, Department of Prosthodontics, İstanbul Aydin University, Istanbul, Turkey. †Türkiye Hospital, Dental Clinics, Şişli, Istanbul, Turkey. ‡Professor, Faculty of Dentistry, Department of Prosthodontics, Marmara University, Istanbul, Turkey. §Professor, Faculty of Dentistry, Department of Periodontology, Atatürk University, Erzurum, Turkey. ¶Professor, Head of Dental Materials Unit, University of Zürich, Center for Dental and Oral Medicine, Clinic for Fixed and Removable Prosthodontics and Dental Materials Science, Zurich, Switzerland.
Purpose:
The aim of this study was to compare marginal bone loss around early-loaded SLA and SLActive tissue-level implants (Straumann Dental Implants; Institut Straumann AG, Basel, Switzerland) after a mean of 81-month follow-up period.
Material And Methods:
One hundred seven SLA and 68 SLActive implants were placed in 55 patients and loaded with final restoration after 8 and 3 weeks of healing time, respectively. Marginal bone loss around implants was determined radiographically at initial and after a mean observation time ranging between 20 and 81 months. The effect of location (mandible vs maxilla), smoking habit, sex, implant length and diameter, and the type of prosthesis on the marginal bone loss was evaluated.
Results:
The overall cumulative survival rate was 98.2% being 99% for SLA implants and 97% for SLActive implants. After 20-month follow-up period, mean marginal bone loss values for the SLA and SLActive implants were 0.24 and 0.17 mm, respectively. After 81 months, mean marginal bone loss for the SLA and SLActive implants reached 0.71 and 0.53 mm, respectively. Marginal bone loss was affected by the length and type of implant and patients' smoking habit after a mean observation time of 20 months. However, none of the parameters had any significant effect on the marginal bone loss after a follow-up period of 81 months.
Conclusion:
With both SLA and SLActive implants, successful clinical results could be achieved up to 6.5 years of follow-up period.
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