The Effects of Different Photoactive Dyes on the Adhesion of an Epoxy Resin-based Root Canal Sealer

Year 2021, Volume: 26 Issue: 3, 225 - 232, 27.09.2021

İsmail Ozkocak , Hakan Gokturk , İrem Cansu Kara

https://doi.org/10.21673/anadoluklin.815730

Abstract

Aim: In this study, we aimed to evaluate the effects of four different photoactive dyes on the dentin adhesion of an epoxy resin-based root canal sealer.
Methods: Sixty maxillary central incisors were used. Root canals were prepared up to the size Reciproc #40, and 2.5 mL of 5% NaOCl was used between each file. The teeth were divided into six groups: Group 1, distilled water (the control group); Group 2, methylene blue; Group 3, toluidine blue; Group 4, indocyanine green; Group 5, Congo red; and Group 6, diode laser. After final irrigation, each canal was irrigated with 2.5 mL of photoactive dye. Laser irradiation was applied for 1 min (940 nm wavelength, continuous mode, 1W). The canals were obturated with epoxy resin-based sealer and gutta-percha. Sections measuring 2 mm in thickness were taken from the apical, middle, and coronal thirds of the roots for the push-out test.
Results: Although the photoactive dyes caused a decrease in the sealer bond strength values, there was no statistically significant difference from the control group or between the dyes. Diode laser irradiation increased bond strength, but there was again no significant difference. Bond strength values decreased from the coronal to the apical region (5.89±1.19, 3.93±0.76, and 3.18±0.63 MPa, respectively).
Conclusion: We observed that the use of photoactive dyes to support root canal disinfection had no negative effect on the bond strength of a resin-based sealer.

Keywords

bond Strenght, photoactive dye, photodynamic therapy, root canal sealer

Supporting Institution

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Project Number

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Thanks

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Farklı Fotoaktif Boyaların Epoksi Rezin Esaslı Kök Kanal Patının Adezyonuna Etkileri

Abstract

Amaç: Bu çalışmada dört farklı fotoaktif boyanın epoksi rezin esaslı bir kök kanal patının dentin adezyonu üzerindeki etkilerini değerlendirmek amaçlanmıştır.
Yöntem: Altmış maksiller santral kesici diş kullanıldı. Reciproc #40 boyutuna kadar kök kanalları şekillendirildi ve her eğe arasında 2,5 mL %5 NaOCl kullanıldı. Dişler altı gruba ayrıldı: Grup 1, distile su (kontrol grubu); Grup 2, metilen mavisi; Grup 3, toluidin mavisi; Grup 4, indosiyanin yeşili; Grup 5, Kongo kırmızısı; ve Grup 6, diyot lazer. Son irigasyondan sonra her kanal 2,5 mL fotoaktif boya ile yıkandı. Bir dakika boyunca (940 nm dalga boyu, sürekli mod, 1W) lazer ışını uygulandı. Kanallar epoksi rezin esaslı pat ve gütaperka ile dolduruldu. İtme testi için köklerin apikal, orta ve koronal üçte birlik kısımlarından 2 mm kalınlığında kesitler alındı.
Bulgular: Fotoaktif boyalar pat adezyon değerlerinde düşüşe neden olsa da, kontrol grubuna kıyasla ya da boyalar arasında istatistiksel olarak anlamlı bir fark yoktu. Diyot lazer ışınlaması adezyonu artırdı; ancak yine anlamlı bir fark yoktu. Bağlanma değerleri koronalden apikal bölgeye azaldı (sırasıyla 5,89±1,19, 3,93±0,76 ve 3,18±0,63 MPa).
Sonuç: Kök kanal dezenfeksiyonunu desteklemek için fotoaktif boyaların kullanımının rezin esaslı patın adezyonu üzerinde olumsuz bir etkisi olmadığı gözlenmiştir.

Keywords

bağlanma dayanımı, fotoaktif boya, fotodinamik terapi, kök kanal patı

Project Number

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