Amaç: Posterior maksillada yetersiz kemik yüksekliği durumunda, implant yerleştirilmesi için sinüs ogmentasyonu tekniği uzun yıllardır başarılı bir şekilde uygulanmaktadır. Bu çalışmada; sinüs tabanı altında farklı kemik yüksekliklerinde sinüs ogmentasyonu ile eş zamanlı yerleştirilen implantların sağkalım oranlarının değerlendirilmesi amaçlanmıştır. Çalışmada primer belirleyici değişken sinüs tabanının altında kalan kemik yüksekliği, primer sonuç ise implantların sağkalım oranlarını değerlendirmektir. Gereç ve Yöntemler: Sinüs ogmentasyonu ile eş zamanlı olarak implant yerleştirilen 64 (28 erkek, 36 kadın) hasta bu retrospektif çalışmaya dâhil edildi. Hastalar, sinüs tabanı altındaki kemik yüksekliğine göre Grup 1 (<5 mm) ve Grup 2 (≥5 mm) olmak üzere iki gruba ayrıldı. Kemik yüksekliğinin değerlendirilmesinde konik ışınlı bilgisayarlı tomografi kullanıldı ve ölçümler yapıldı. İmplantların markaları, kullanılan greft ve membran not edildi. İmplantların sağkalım oranları takip süreleri boyunca incelendi. Bulgular: İki grupta da 82 implant incelendi. İki grubun da sağkalım oranları aynı (%100) idi. Kemik yüksekliği değerlendirildiğinde iki grup arasında istatistiksel olarak anlamlı bir fark bulundu (p<0,001). Gruplar, takip süresi açısından istatistiksel olarak değerlendirildiğinde, iki grup arasında fark saptanmadı (p=0,415). Operasyonda görülen sinüs membran perforasyonu, implantların sağkalım oranını etkilememektedir (p=0,390). Sonuç: Lateral pencere tekniği ile eş zamanlı olarak implantlar yerleştirildiği zaman, 5 mm'lik bir kemik yüksekliği zorunlu değildir. İmplantın primer stabilizasyonu çok daha önemlidir.
Anahtar Kelimeler: Dental implant; sinüs ogmentasyonu; sağkalım oranı
Objective: In cases of insufficient bone height in posterior maxilla, sinus augmentation has been successfully applied for many years for implant placement. The aim of this study was to evaluate the survival rates of implants placed simultaneously with sinus augmentation at different bone heights under sinus floor. The primary determinant is the bone height below the sinus base, and the primary result is to evaluate the survival rates of the implants in this study. Material and Methods: Sixty-four patients (28 male, 36 female) who received implants simultaneously with sinus augmentation were included in this retrospective study. Patients were divided two groups according to the bone height of the sinus floor; Group 1 (<5 mm) and Group 2 (≥5 mm). Cone-beam computed tomography was used to measure bone height. The brands of implants, graft and membrane used were noted. Survival rates of implants were evaluated during follow-up. Results: 82 implants were evaluated in two groups. Survival rate was same in two groups (%100). There was a statistically significant difference between the two groups when the bone height was evaluated (p<0.001). There was no difference between the two groups when the follow-up was evaluated statistically (p= 0.415). Intraoperative sinus membrane perforation did not affect the outcome of the implant survival rate (p=0.390). Conclusion: When placing implants simultaneously with lateral window sinus augmentation procedure, a minimal of 5 mm bone height is not mandatory. Primary stabilization of the implant is more important.
Keywords: Dental implant; sinus augmentation; survival rate
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