Turkiye Klinikleri Journal of Dental Sciences

.: ORIGINAL RESEARCH
Influence of Peri-Implant Bone Defect Type on Insertion Torque and Resonance Frequency Analysis: An in Vitro Study
Peri-İmplant Kemik Defekti Tipinin Yerleştirme Torku ve Rezonans Frekans Analizi Üzerine Etkisi: İn Vitro Çalışma
Nurettin DİKERa, Burcu DİKERb
a Department of Oral and Maxillofacial Surgery, Bezmiâlem Vakıf University Faculty of Dentistry, İstanbul, Türkiye
b Department of Prosthodontics, Bezmiâlem Vakıf University Faculty of Dentistry, İstanbul, Türkiye
Turkiye Klinikleri J Dental Sci. 2022;28(4):763-71
doi: 10.5336/dentalsci.2022-90409
Article Language: EN
Full Text
ABSTRACT
 Objective: The aim of the present study is to investigate the effects of different peri-implant bone defects on primary stability and the correlation between insertion torque (IT) and resonance frequency analysis (RFA) measurements. Material and Methods: Fourty implant beds were prepared in artificial bone blocks using the 3D surgical guide. Implant osteotomies were divided into 5 groups (n=8) according to defect type: i) no peri-implant bone defect (control), ii) a dehiscence defect, iii) a fenestration defect on the middle part, iv) a fenestration defect on the apical part and v) a circumferential defect. Implants were inserted by using a surgical drilling unit with torque control and RFA measurement were done. Results: IT values for the control group were significantly higher than the other groups (p<0.001). The results of IT measurements for dehiscence defect group were significantly greater when compared to fenestration and circular defect groups (p<0.01). Implant stability quotient (ISQ) values for the control group were significantly higher than other groups (p<0.05). In addition, the ISQ values for the dehiscence defect group were significantly lower when compared to fenestration defect groups (p<0.001), and ISQ values for the circular defect group were significantly lower than any other groups (p<0.001). IT values and, ISQ values are moderately correlated (p=0.013, r=0.388). Conclusion: The location of peri-implant bone defect affects RFA measurements more than IT. However, IT seems to be correlated with bone implant contact. Therefore, in the case of peri-implant bone defect, IT measurement may be preferred for evaluation of primary stability.

Keywords: Resonance frequency analysis; dental implants
ÖZET
 Amaç: Bu çalışmanın amacı, farklı tipteki peri-implant kemik defektlerinin primer stabilite üzerindeki etkilerinin ve implantların yerleştirme torku (YT) ölçümleri ile rezonans frekans analizi (RFA) ölçümleri arasındaki korelasyonu incelemektir. Gereç ve Yöntemler: 3 boyutlu cerrahi kılavuz kullanılarak yapay kemik bloklarının içerisine 40 adet implant boşluğu hazırlandı. Farklı tipte peri-implant defektler oluşturulduktan sonra implant boşlukları defekt tipine göre 5 gruba (n=8) ayrıldı: i) implant çevresinde kemik defekti yok (kontrol), ii) dehisens defekti, iii) implantın orta kısımda fenestrasyon defekti, iv) implantın apikal kısmında fenestrasyon defekti ve v) sirküler kemik defekti. İmplantlar tork kontrollü cerrahi motor kullanılarak yerleştirildi ve RFA ölçümleri yapıldı. Bulgular: Kontrol grubunda ölçülen YT değerleri diğer gruplara göre istatistiksel anlamlı olarak daha yüksekti (p<0,001). Dehisens tipi defektleri olan grupların YT ölçümlerinin sonuçları, fenestrasyon ve sirküler kemik defekti grupları ile karşılaştırıldığında istatistiksel anlamlı olarak daha yüksekti (p<0,01). Kontrol grubu için implant stabilite katsayısı [implant stability quotient (ISQ)] değerleri diğer gruplara göre istatistiksel anlamlı olarak yüksekti (p<0,05). Ayrıca dehisens tipi defekt grubu için ISQ değerleri, fenestrasyon tipi defekti olan gruplar ile karşılaştırıldığında anlamlı derecede daha düşüktü (p<0,001). Bunun yanında sirküler kemik defekti grubu için ISQ değerleri diğer gruplara göre anlamlı derecede daha düşüktü (p<0,001). YT değerleri ile ISQ değerlerinin orta düzeyde korelasyon gösterdiği tespit edilmiştir (p=0,013, r=0,388). Sonuç: Periimplant kemik defektinin lokalizasyonu, RFA ölçümlerini YT ölçümlerinden daha fazla etkilemektedir. Bununla birlikte YT'nin kemik implant teması ile daha güçlü bir ilişkisi olduğu görülmektedir. Bu nedenle peri-implant kemik defekti varlığında, primer stabilitenin değerlendirilmesi için YT ölçümü tercih edilebilir.

Anahtar Kelimeler: Rezonans frekans analizi; diş implantları
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