The effect of three different primary teeth rotary instrument systems on the amount of apically extruded debris in pulpectomy of primary teeth

Abstract

Purpose: The objective of this study is to evaluate the amount of apically extruded debris and working time during root canal treatment with three different primary teeth rotary instrument systems. Material and Methods: A total of 80 extracted primary second molar teeth were randomly divided into four groups (n=20) stratified by the instruments used: AF Baby Rotary, Easyinsmile Baby Rotary, Endoart Pedo Gold, and hand files. The apical extrusion of debris was collected then dried in Eppendorf tubes that were pre-weighed with 10–4 precision micro-balance. The incubation period was set as 14 days at 37°C. The dry weight was procured by deducting the preoperative weight from the postoperative weight. The systems’ working time was calculated by chronometer. Mann Whitney U test with Bonferroni correction was used for pairwise comparison following the variance analysis with Kruskal Wallis test. Wilcoxon test was used for intragroup comparison. Results: Although all instruments caused apically extruded debris (p<0.001), there was no statistically significant difference between the groups in debris extrusion. However, the longest working time was found in the manual K files, the Endoart Pedo Gold system had the shortest working time (p<0.001). Conclusions: Our results demonstrate that all instrument systems caused apical extrusion of debris. Furthermore, the rotary instrument systems designed for primary teeth exhibited significantly shorter working time.

Keywords

• apical debris
• primary teeth
• root canal preparation
• rotary system
• time

Üç farklı süt dişi döner eğe sistemi ile süt dişi kök kanal tedavisi sırasında taşan debris miktarının ve çalışma zamanının incelenmesi

Abstract

Amaç: Çalışmamızın amacı üç farklı süt dişi döner eğe sistemi ile süt dişi kök kanal tedavisi sırasında taşan debris miktarını ve çalışma zamanını belirlemektir. Gereç ve Yöntem: Toplam 80 adet çekilmiş süt ikinci azı diş, kullanılan aletlere göre rastgele dört gruba (n=20) ayrıldı: AF Baby Rotary, Easyinsmile Baby Rotary, Endoart Pedo Gold ve el eğeleri. Apikale taşan debris toplandı ve 10-4 hassas mikro terazi ile önceden tartılan Eppendorf tüplerinde kurutuldu. İnkübasyon süresi 37°C’de 14 gün olarak belirlendi. İşlem sonrası ağırlıktan işlem öncesi ağırlık değerleri çıkarılarak kuru debris ağırlığı elde edildi. Eğe sistemlerinin çalışma zamanı kronometre ile hesaplandı. Gruplar arası karşılaştırmada Kruskal Wallis testi sonrası Mann Whitney U testi ve Bonferroni düzeltmesi kullanıldı. Grup içi karşılaştırmada Wilcoxon testi uygulandı. Bulgular: Bütün eğe sistemleri apikalden debris taşmasına neden olsada (p<0.001), eğe sistemleri arasında debris taşırmada istatistiksel olarak anlamlı bir fark bulunmamıştır (p>0.05). En uzun çalışma zamanı manuel K eğelerinde, en kısa çalışma zamanı ise Endoart Pedo Gold sisteminde tespit edilmiştir (p<0.001). Sonuç: Tüm sistemler apikal debris ekstrüzyonuna neden olmuştur. Süt dişleri döner alet sistemleri önemli ölçüde daha hızlı çalışma süreleri nedeniyle tercih edilebilir.

Keywords

• Apikal debris
• süt dişi
• kök kanal tedavisi
• döner sistemler
• zaman

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