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"Latar Belakang: E. faecalis dan C. albicans adalah mikroorganisme di saluran akar yang mampu bertahan hidup meski sudah dilakukan perawatan saluran akar. Penggunaan larutan irigasi sintetik saat perawatan saluran akar efektif dalam mengeliminasi mikroorganisme di saluran akar namun terbukti toksik terdapat sel punca mesenkim di periapikal. Cuka apel mengandung zat aktif seperti asam organik, flavonoid, fenol, tanin yang bersifat antimikroba dan menghambat pertumbuhan mikroba, namun terbukti tidak toksik bagi sel punca. Tujuan penelitian ini adalah untuk membandingkan efek antimikroba larutan cuka apel berbagai konsentrasi terhadap biofilm E. faecalis dan C. albicans. Metode: Dilakukan paparan larutan cuka apel 0,63%, 1,25%, dan 2,5%, serta kontrol positif NaOCl 2,5% dan kontrol negatif pada biofilm E. faecalis dan C. albicans. Kemudian dilakukan evaluasi efek antimikroba dengan uji hitung koloni dan nilai viabilitas dengan metode MTT Assay. Hasil: Terdapat perbedaan bermakna jumlah koloni dan nilai viabilitas biofilm E. faecalis (p<0,05) dan biofilm C. albicans (p<0,05) antara seluruh konsentrasi larutan cuka apel, kontrol positif, dan kontrol negatif, dengan efek antimikroba larutan cuka apel tertinggi pada konsentrasi 2,5% dan terendah pada konsentrasi 0,63%. Kesimpulan: Larutan cuka apel 2,5% memiliki kemampuan antimikroba dengan nilai viabilitas dan jumlah koloni hampir sebanding dengan kontrol positif NaOCl 2,5%, sehingga larutan cuka apel dapat dipertimbangkan untuk dijadikan alternatif larutan irigasi saluran akar.

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Background: E. faecalis and C. albicans are microorganisms in root canals that are able to survive even after root canal treatment. The use of synthetic irrigation solutions during root canal treatment is effective in eliminating microorganisms in the root canal but has been shown to be toxic to periapical mesenchymal stem cells. Apple vinegar contains active substances such as organic acids, flavonoids, phenols, tannins which are antimicrobial and inhibit microbial growth, but have been proven not to be toxic to stem cells. The aim of this study was to compare the antimicrobial effects of apple vinegar solutions of various concentrations on E. faecalis and C. albicans biofilms. Method: Exposure to 0.63%, 1.25% and 2.5% apple vinegar solutions, as well as 2.5% NaOCl positive control and negative control on E. faecalis and C. albicans biofilms were carried out. Then the antimicrobial effect was evaluated using the colony count test and viability value using the MTT Assay method. Result: There were significant differences in the number of colonies and viability values of E. faecalis biofilm (p<0.05) and C. albicans biofilm (p<0.05) between all concentrations of apple vinegar solution, positive control and negative control, with the antimicrobial effect of the apple vinegar solution were highest at a concentration of 2.5% and lowest at a concentration of 0.63%. Conclusion: The 2.5% apple vinegar solution has antimicrobial ability with viability values and colony numbers almost comparable to the 2.5% NaOCl as positive control, so 2,5% apple vinegar solution can be considered as an alternative root canal irrigation solution."

"Latar Belakang: Preparasi saluran akar berpotensi menyebabkan ekstrusi debri nekrotik dan bakteri intrakanal yang dapat memicu respon inflamasi di periapeks. Teknik instrumentasi, desain file, dan teknik irigasi diketahui memengaruhi potensi terjadinya ekstrusi debri dan bakteri. Tujuan: Menganalisis dan membandingkan efek penggunaan single file rotasi kontinyu dan resiprokal terhadap terjadinya ekstrusi debri dan E.faecalis. Metode: Tiga puluh dua gigi premolar rahang bawah, akar tunggal dipilih secara acak dikontaminasi bakteri E.faecalis isolat klinis ke dalam saluran akar, lalu dibagi menjadi dua kelompok. Saluran akar dipreparasi menggunakan single file gerakan rotasi kontinyu (One Curve), dan single file gerakan resiprokal (Reciproc Blue). Model Myers dan Montogomery digunakan untuk mengumpulkan ekstrusi debri dan bakteri. Jumlah ekstrusi debri diketahui dari selisih berat tabung debri sebelum dan setelah instrumentasi. Sementara ekstrusi E.faecalis diketahui dengan identifikasi koloni hijau-biru pada media chromagar selektif. Analisis statistik menggunakan uji Mann Whitney dan komparatif kategorik. Hasil: Tidak terdapat perbedaan bermakna antara jumlah ekstrusi debri (p=0,513) dan persentase terjadinya ekstrusi E.faecalis (p=0,479) pada kelompok uji menggunakan single file rotasi kontinyu dengan resiprokal. Simpulan: Instrumen single file rotasi kontinyu dan resiprokal, berpotensi menyebabkan ekstrusi debri dan E.faecalis, namun tidak ditemui perbedaan bermakna pada jumlah ekstrusi debri dan E.faecalis di antara kedua gerakan tersebut.

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Background: Root canal preparation potentially cause extrusion of necrotic debris and intracanal bacteria which lead to inflammation in periapical tissue. The preparation technique, file design, and irrigation techniques influences the risk of debris and bacterial extrusion. Objective: The purpose of this study was to evaluate and compare the effects of rotating and reciprocating single file on debris and E.faecalis extrusion.Method: Thirty-two mandibular premolars, single roots randomly contaminated with E.faecalis bacterial isolates into the root canal, then divided into two groups. The root canals were prepared using rotating single file (One Curve) and reciprocating single file (Reciproc Blue). Myers and Montogomery models are used to collect debri and bacterial extrusions. The amount of debris extrusion is known from the difference of the debris tubes weight before and after instrumentation. While E.faecalis extrusion is known by identification of blue-green colonies on selective chromagar media. Non parametric test like Mann Whitney test and categorical comparative test were applied to determine the significant difference among the group. Results: There was no significant difference between debris extrusion (p = 0.513) and the percentage of E.faecalis extrusion (p = 0.479) among the group using rotating and reciprocating single file. Conclusions: In this study, both rotating and reciprocating single file system used resulted in some debris and E.faecalis extrusion, but there were no significant differences in the number of debris and E.faecalis extrusion between the instrumentation."