Sevinç AKTEMUR TÜRKER, Fatma Zühal YURDAGÜL, Sena KAŞIKÇI

Taşıyıcı Tipi Sonik Aktivasyon Ile Uzaklaştırıldığında KalsiyumHidroksitin Kök Kanal Duvarlarındaki Devamlılığını Etkiler Mi?

Amaç: Bu in vitro çalışma farklı taşıyıcılarla ilişkili kalsiyumhidroksitin (KH) yapay olarak oluşturulmuş kavitelerden sonikaktivasyon veya geleneksel iğne irrigasyonu (Gİİ) kullanılarakuzaklaştırılmasından sonra devamlılığını değerlendirmeyiamaçlamaktadır. Gereç ve Yöntemler: 72 adet çekilmiş tek köklü dişler ProTaperUniversal döner eğe sistemi ile F4’e kadar genişletildi. Dişleruzunlamasına kesilerek standart kaviteler açıldı. Kullanılan taşıyıcıtipine göre kökler 3 gruba ayrıldı (n=24); distile su, gliserin vepropilen glikol. Her bir grupta, kaviteler bu taşıyıcılardan biriylekarıştırılan kalsiyum hidroksitle dolduruldu. Kök parçalarınıntekrar birleştirilmesinden sonra kalsiyum hidroksitinuzaklaştırılması ya sonik aktivasyon (EDDY) ya da Gİİ ile yapıldı(n=12). Kalan KH artıkları bir mikroskop kullanılarak x40 büyütmeile değerlendirildi. Değerlendirme için 4-skorlu skala kullanıldı.Kruskal-Wallis, Mann-Whitney U testleri verileri karşılaştırmak içinkullanıldı. Bulgular: Gruplar arasında anlamlı fark bulundu (p=0.000).EDDY kullanıldığında, distile su ve propilen glikol ile karıştırılanKH’in tamamen uzaklaştırıldığı bulundu. EDDY, distile su vepropilen glikol ile karıştırılan KH’i uzaklaştırmada, Gİİ’den dahaetkili bulundu p=0.001 ve p=0,002, sırasıyla. Fakat gliserin ilekarıştırılan KH’i uzaklaştırmada EDDY ve Gİİ arasında farkbulunmadı (p=0.219). Gİİ kullanıldığında kalan KH artıkları en azdistile su grubunda bulundu. Sonuç: KH ile ilişkili taşıyıcı tipi ve yıkama solusyonununaktivasyonu uzaklaştırılmasında önemlidir. EDDY distile su veyapropilen glikol ile karıştırılan KH’in tamamen uzaklaştırılmasınısağlamıştır.

Does The Vehicle Type Affect the Persistence of CalciumHydroxide When Removing with Sonic Activation?

Background: This in vitro study aimed to evaluate thepersistence of calcium hydroxide (CH) associated with differentvehicles on the artificial cavities after removing with sonicactivation or conventional needle irrigation (CNI). Methods: Seventy-two extracted single-rooted teeth wereinstrumented with ProTaper Universal rotary system up to F4.The roots were split longitudinally, and standardized cavitieswere prepared. The roots were assigned into 3 groups (n=24),according to vehicles used; distilled water, glycerin, andpropylene glycol. In each group, cavities were filled with CHmixed with the respective vehicle. After reassembly, the removalof CH dressing was performed with either sonic activation(EDDY) or CNI (n=12). The remnants of CH were assessedunder a microscope at ×40 magnification. A four-grade scoringsystem was used to evaluate. Kruskal-Wallis and Mann-WhitneyU-tests were used to compare the data. Results: There was a significant difference among groups(p=0.000). Complete removal of CH was found in the distilledwater and propylene glycol groups when EDDY was used. EDDYwas significantly more effective than CNI in the removal of CHmixed with distilled water and propylene glycol p=0.001 andp=0,002, respectively. Whereas no significant difference wasfound between EDDY and CNI in the glycerin group (p=0.219).The lowest CH remnants were found in the distilled water groupwhen CNI was used. Conclusion: The vehicle associated with CH and irrigationactivation is important for its retrieval. EDDY provided thecomplete removal of CH when mixed with distilled water orpropylene glycol.

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