PRİMER STABİLİZASYON OLAN VE OLMAYAN İMPLANTLARDA KEMİK İMPLANT KAYNAŞMASININ BİYOMEKANİK İNCELENMESİ: İN VİVO BİR ÇALIŞMA

Amaç: Bu çalışmada rat tibiyalarına yerleştirilen primer stabilite olan ve olmayan titanyum implantların osseointegrasyonunun biyomekanik incelenmesi amaçlanmıştır. Gereç ve Yöntem: Bu çalışmada kullanılan 42 adet, dişi Spraque Dawley rat 2 gruba ayrıldı. Primer Stabili- te Olan (PS+) Grup (n=21); 2.5 mm çapında 6 mm uzunluğunda tornalanmış yüzey titanyum implantlar deneklerin sağ ve sol tibiyalarına primer stabilizasyon sağlanarak, Primer Stabilite Olmayan (PS-) Grup (n=21); 2.5 mm çapında 6 mm uzunluğunda titanyum implantlar deneklerin sağ ve sol tibiyalarına primer stabilizasyon sağlanmaksızın steril şartlarda cerrahi yöntemle yerleştirildi. Denekler her bir grupta eşit rat olacak şekilde 4. (n=7), 8. (n=7) ve 12. (n=7) hafta sonunda sakrifiye edildi. İmplantların biyomekanik analizleri basma testine  tabi tutularak gerçekleştirildi. Bulgular: Kuvvet değerleri PS+ grubunda PS- grubuna göre 4., 8. ve 12. haftaların sonunda yüksek tespit edildi (P<0.05). PS+ grubunda 4., 8. ve 12. hafta kuvvet değer- lerinde fark tespit edilmedi (P>0.05). PS- grubunda kuv- vet değerleri 4. ve 8. haftalar arasında bir fark meydana getirmemişken (P>0.05), 12. hafta kuvvet değerleri 4. ve 8. haftalara göre yüksek tespit edidi (P<0.05). Yer değiş- tirme miktarları 4. haftada PS- grubunda PS+ grubundan yüksek tespit edilirken (P<0.05), 8. ve 12. hafta yer de- ğiştirme değerlerinde gruplar arası bir fark tespit edilmedi (P>0.05).  PS+ grubunun 4., 8. ve 12.haftalarda yer değiştirme miktarları arasında bir fark tespit edilmezken (P>0.05), PS- grubunda 4. hafta yer değiştirme değeri 8. ve 12. haftalara göre yüksek tespit edildi (P<0.05). Sonuç: Primer stabilizasyon olan implantlarda osseoin- tegrasyon primer stabilite olmayan implantlara göre daha iyi düzeyde elde edildi. Primer stabilite olmadan da osseointegrasyon sağlanabilir. Anahtar Kelimeler: Primer stabilizasyon, osseointeg, rasyon, dental implant, rat tibiyası, biyomekanikBIOMECHANIC EVALUATION OF THE BONE IMPLANT CONNECTION OF THE PRIMARY AND NON-PRIMARY STABILIZED TITANIUM IMPLANTS: AN IN VIVO STUDY ABSTRACT   Aim: In this study it was aimed to that biomechanic evaluation of the primary stabilized and non-primary stabilized titanium implant osseointegration in rat tibias. Materials and Methods: In this study, 42 female Spraque Dawley rat were used and diveded 2 groups: Primer stabilized group (PS+) (n=21); 2.5 diameter and 6 mm long titanium implant was integrated in rat tibias both left and right side with primary stabilization. Non primary stabilized (PS-) (n=21) group; 2.5 diameter and 6 mm long titanium implant was integrated in rat tibias both left and right side without primary stabilization. Surgical procedure was done under steril condition. Rats were sacrified in 4. (n=7), 8. (n=7) and 12. (n=7) weeks in equal number in each group. Biomechanical analysis of the implants were done with compression test Results: Force magnitudes detected higly compared in PS+ compared PS- in 4., 8 and 12. weeks (P<0.05). In PS+ any difference was not detected in forces at 4., 8. and 12. weeks (P>0.05). In PS- group; difference was detected in forces at 12. week when compared 4. and 8. weeks (P<0.05). Displacement in PS- group detected highly compared with PS+ in 4. week (P<0.05), but in 8. and 12. weeks any difference was not detected between two groups (P>0.05). any difference was not detected at 4., 8. and 12. weeks in displacement values in PS+ group (P>0.05). But in PS- group displacement values was detected highly in 4. week compared 8. and 12. Weeks (P>0.05). Conclusion: Osseointegration in primary stabilized implants was detected better than non-primary stabilized implants. Osseointagration could enhance without primary stabilization.  Keywords: Primary stabilization, osseointegration, dental implant, rat tibia, biomechanic

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Current Research in Dental Sciences-Cover
  • Başlangıç: 1986
  • Yayıncı: Atatürk Üniversitesi
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