Turkiye Klinikleri Journal of Dental Sciences

.: ORIGINAL RESEARCH
Retrograd Kavı̇telerde Farklı Şelasyon Ajanlarının Dolgu Materyallerinin Bağlanma Dayanımına Etkisinin Değerlendirilmesi: İn Vitro Çalışma
Evaluation of the Effect of Different Chelation Agents on the Bond Strength of Filling Materials in Retrograde Cavities: An In Vitro Study
G. Selin ŞEREFLİCAN YILMAZa , Bade SONATa
aAnkara Medipol Üniversitesi Diş Hekimliği Fakültesi, Endodonti ABD, Ankara, Türkiye
Turkiye Klinikleri J Dental Sci. 2023;29(3):453-60
doi: 10.5336/dentalsci.2022-95049
Article Language: TR
Full Text
ÖZET
 Amaç: Bu çalışmanın amacı, retrograd kavite preparasyonunda farklı şelasyon ajanlarının kalsiyum silikat esaslı materyallerle bağlanma dayanımına etkisinin push-out testi ile ölçülmesidir. Gereç ve Yöntemler: Çalışmamızda 84 adet tek kanallı maksiller santral diş kullanıldı. Kök kanal tedavisinden sonra ultrasonik uçlarla retrograd kavite preparasyonu yapıldı. Örnekler şelasyon ajanlara göre 3 gruba (n=28) ayrıldı: %17 EDTA ve %0,2 kitosan ve kontrol grubunda %0,9 salin kullanıldı. Daha sonra her gruptan alınan örnekler kalsiyum silikat esaslı dolgu malzemelerine göre 2 gruba (n=14) ayrıldı; MTA Angelus ve MTA Flow. Her numunenin apikal kısmından 2 mm kalınlığında kesitler alındı ve push-out testinde incelendi. Sonuçlar, Mann-Whitney U ve Student t-testleri kullanılarak istatistiksel olarak analiz edildi. Kırılma tiplerini karşılaştırmak için ki-kare testi kullanıldı. p<0,05 istatistiksel olarak anlamlı kabul edildi. Bulgular: Bu in vitro çalışma sonucunda, 2 farklı şelasyon ajanı kontrol grubu serum fizyolojik ile karşılaştırıldığında aralarında istatistiksel olarak anlamlı bir fark bulunmuştur (p<0,001) %0,2 kitosan ve %17 EDTA grupları arasında istatistiksel olarak anlamlı bir fark görülmemiştir (p>0,05). MTA Angelus ile MTA Flow dolgu materyalleri arasında fark saptanmıştır (p<0,001). MTA Flow dolgu materyali daha yüksek bağlanma değerlerine sahip olduğu görülmüştür. Sonuç: Retrograd kavite preparasyonunda şelasyon ajanı kullanımı bağlanma dayanımını olumlu yönde etkilemektedir ve başarı oranı güncel preparasyon teknikleri ve biyouyumlu malzemelerin kullanılması ile artırılabilir.

Anahtar Kelimeler: Kitosan; EDTA; ultrasonikler
ABSTRACT
 Objective: The aim of this study to evaluate the effect of different chelating agents on the bond strength of calcium silicate-based materials in retrograde cavity preparation. Material and Methods: In our study, 84 maxillary central teeth with a single root canal were used. After root canal treatment, retrograde cavity preparation was performed with ultrasonic tips. The samples were randomly divided into 3 groups (n=28) based on the chelating agents: 17% EDTA and 0.2% chitosan and 0.9% saline was used in the control group. Then the samples from each group were subdivided into 2 groups (n=14) based on calcium silicate based filling materials; MTA Angelus and MTA Flow. 2 mm thick sections were taken from the apical part of each sample and examined in the push-out bond strength test. Data were statistically analyzed using Mann-Whitney U and Student t-tests. The chi-square test was used to compare the failure mode. p<0.05 was considered statistically significant. Results: When two different chelating agents were compared with the control group, chelating agents showed significantly higher bond strength values (p<0.001). There was no significant difference between the 0.2% chitosan and 17% EDTA groups (p>0.05). There was a difference between MTA Angelus and MTA Flow filling materials (p<0.001). MTA Flow filling material showed higher bond strength values. Conclusion: The use of chelating agents in retrograde cavity preparation has a positive effect on the bond strength and the success rate can be increased by using current preparation techniques and biocompatible materials.

Keywords: Chitosan; EDTA; ultrasonics
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