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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."

"Salah satu peran protein saliva adalah sebagai sistem pertahanan rongga mulut. Tujuan: Menganalisis efek protein saliva spesifik dan non-spesifik C. albicans dari kelompok usia anak, dewasa, lansia dalam pembentukan biofilm E. faecalis in vitro. Metode: Uji biofilm dengan crystal violet. Hasil: Pembentukan biofilm E. faecalis pada protein spesifik C. albicans dari kelompok dewasa dan lansia mengalami penurunan saat inkubasi 18 jam (p≤0.05). Pembentukan biofilm E. faecalis pada protein non-spesifik C. albicans dari ketiga kelompok usia mengalami peningkatkan saat inkubasi 6 jam dan 18 jam (p≤0.05). Kesimpulan: Protein spesifik C. albicans pada kelompok dewasa dan lansia menurunkan pertumbuhan bakteri E. faecalis. Protein non-spesifik C. albicans meningkatkan adhesi dan pertumbuhan bakteri E. faecalis.

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One of the function of salivary proteins, it works as the first line of defense in the oral cavity. Objectives: to analyse the effect of specific and non specific salivary protein to C. albicans from children, adults and elderly on E. faecalis biofilm formation in vitro. Methods: Crystal violet assay. Results: Biofilm formation of E. faecalis on specific salivary protein to C. albicans, from adults and elderly, decreases when incubated for 18 hours (p≤0.05). Biofilm formation of E. faecalis on non-spesific salivary protein to C. albicans, from children, adults and elderly, increases when incubated for 6 hours and 18 hours (p≤0.05). Conclusion: Spesific salivary protein to C. albicans, from adults and elderly, decreases the growth of E. faecalis. Non-spesific salivary protein to C. albicans increases the adhesion and growth of E. faecalis."

"Latar belakang: Fokus desinfeksi saluran akar saat ini telah mengalami perubahan dari desinfeksi agresif menjadi proteksi selektif, yang memiliki tujuan utama untuk menciptakan lingkungan yang sesuai, oleh karena itu, bahan irigasi alami sebagai pendamping mulai banyak diteliti potensialnya karena relatif aman. Larutan irigasi dengan kualitas optimal yang dapat membersihkan saluran akar secara menyeluruh sendiri masih belum tersedia dan meskipun ada perkembangan baru di bidang penelitian yang relevan, solusi yang lebih mendekati kualitas ideal belum dikembangkan. Cuka apel dapat dijadikan sebagai bahan alternatif alami yang aman untuk mengeliminasi biofilm sekaligus smear layer, sehingga berpotensi untuk dikembangkan lebih lanjut. Tujuan: Mengetahui perbedaan efek antibakteri bahan irigasi sintetik NaOCl 1,5% dan 2,5% dibandingkan dengan larutan cuka apel terhadap E. faecalis. Metode: Biofilm E. faecalis isolat klinis dibagi menjadi tujuh kelompok sampel untuk dipaparkan dengan bahan uji larutan cuka apel konsentrasi 2,5%, 5%, 10%, kontrol positif NaOCl 1,5%, 2,5% dan kontrol negatif tanpa perlakuan, efek antibakteri dilihat menggunakan metode MTT Assay dan hitung koloni. Hasil: Didapatkan hasil dari kedua uji yang dilakukan bahwa larutan cuka apel konsentrasi 2,5% memiliki efek antibakteri terhadap biofilm E. faecalis tertinggi dibandingkan dengan konsentrasi 5% dan 10%. Kesimpulan: Efek antibakteri larutan cuka apel 2,5%, 5%, dan 10% lebih rendah dibandingkan dengan larutan NaOCl 1,5% dan 2,5% terhadap biofilm E. faecalis.

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Introduction: The current focus of root canal disinfection has changed from aggressive disinfection to selective protection, which has the main goal of creating a suitable environment, therefore, natural irrigation materials as a companion have begun to be studied for their potential because they are relatively safe. Irrigation solutions of optimal quality that can thoroughly clean root canals on their own are not yet available and despite new developments in the relevant research area, solutions closer to the ideal quality have not yet been developed. Apple cider vinegar can be used as a safe natural alternative for eliminating biofilm as well as the smear layer, so it has the potential to be developed further. Objective: To determine the differences in the antibacterial effect of synthetic irrigants NaOCl 1,5% and 2,5% compared to apple cider vinegar solution against E. faecalis. Methods: Clinical isolates of E. faecalis biofilm were divided into seven sample groups to be exposed to test materials for apple cider vinegar concentrations of 2,5%, 5%, 10%, positive control NaOCl 1,5%, 2,5%, and negative control without treatment, the antibacterial effect was seen using the MTT Assay method and colony count. Results: The results of the two tests were obtained that a 2.5% concentration of apple cider vinegar had the highest antibacterial effect on E. faecalis biofilm compared to 5% and 10% concentrations. Conclusion: The antibacterial effect of 2,5%, 5%, and 10% apple cider vinegar solutions was lower than 1,5% and 2,5% NaOCl solutions on E. faecalis biofilm.

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"Latar Belakang: Radikal bebas memiliki sifat destruktif pada perawatan kedokteran gigi, salah satunya pada prosedur perawatan saluran akar. Pada perawatan saluran akar, bahan irigasi yang selama ini digunakan dapat menyebabkan kerusakan pada saluran akar karena memiliki senyawa radikal bebas. Oleh karena itu, perlu ditemukan bahan alami herbal yang dapat menjadi sumber antioksidan sebagai penangkal radikal bebas yang dapat berperan positif dalam perawatan saluran akar. Penelitian sudah banyak dikembangkan oleh para peneliti untuk menjadikan larutan ekstrak daun jeruk purut dan larutan cuka apel Malang sebagai obat herbal terstandar dari Indonesia hingga fitofarmaka. Salah satu pengujian yang harus dilakukan adalah pengujian antioksidan karena pada kedua bahan alami herbal tersebut ditemukan senyawa antioksidan berupa fenol dan flavonoid pada uji fitokimia dan GCMS. Tujuan: Penelitian ini bertujuan untuk melihat perbedaan aktivitas dan kadar antioksidan pada larutan ekstrak daun jeruk purut dan larutan cuka apel Malang pada berbagai konsentrasi. Metode: Penelitian ini merupakan eksperimental laboratorik dengan metode DPPH. Sampel uji berupa larutan 10%, 5%, dan 2,5% ekstrak daun jeruk purut dan cuka apel Malang yang dibuat serial konsentrasi dengan pengenceran. Uji aktivitas antioksidan dilakukan dengan melihat perubahan warna pada larutan, dari warna ungu menjadi warna kuning apabila terdapat aktivitas antioksidan di dalam larutan uji. Selanjutnya dilakukan pengukuran kadar antioksidan dengan melihat tingkat absorbansi menggunakan Spektrofotometer UV/VIS dengan panjang gelombang 517 nm dan kemudian dilakukan pengulangan sebanyak 3 kali. Setelah itu, dilakukan perhitungan persentase inhibisi dan didapatkan kadar IC50 antioksidan. Kemudian, perbedaan kadar antioksidan keduanya dilakukan uji statistik Independent T-Test. Hasil: Terdapat aktivitas antioksidan pada larutan ekstrak daun jeruk purut dan larutan cuka apel Malang. Larutan ekstrak daun jeruk purut dapat dideteksi dengan larutan induk konsentrasi 0,1% dengan kadar antioksidan 347,691 µg/ml dan larutan cuka apel Malang dapat dideteksi dengan larutan induk 5% dan 2,5% dengan kadar antioksidan 8375,25 µg/ml dan 8021,162 µg/ml. Keduanya memiliki perbedaan kadar antioksidan secara statistik. Kesimpulan: Terdapat perbedaan kadar antioksidan pada larutan ekstrak daun jeruk purut dan larutan cuka apel Malang dengan berbagai konsentrasi. Larutan ekstrak daun jeruk purut efektif menangkal radikal bebas pada konsentrasi sekitar 0,03%, sedangkan larutan cuka apel Malang efektif pada konsentrasi sekitar 0,8%.

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Background: Free radicals have destructive properties in dental treatments, one of which is in root canal procedures. In root canal treatment, irrigation materials that have been used can cause damage to the root canal because they have free radical compounds. Therefore, it is necessary to find natural herbal ingredients that can be a source of antioxidants as an antidote to free radicals that can play a positive role in root canal treatment. Many studies have been developed by researchers to make kaffir lime leaf extract solution and Malang apple vinegar solution as standardized herbal medicines from Indonesia to phytopharmaceuticals. One of the tests that must be done is antioxidant testing because the two natural herbal ingredients are found antioxidant compounds in the form of phenols and flavonoids in phytochemical and GCMS tests. Objective: This study aims to see the differences in antioxidant activity and levels in kaffir lime leaf extract solution and Malang apple vinegar solution at various concentrations. Methods: This research is a laboratory experiment with DPPH method. Test samples in the form of 10%, 5%, and 2.5% kaffir lime leaf extract solution and Malang apple vinegar solution were made in serial concentrations by dilution. Antioxidant activity test was conducted by looking at the color change in the solution, from purple to yellow color if there is antioxidant activity in the test solution. Furthermore, the antioxidant content was measured by looking at the absorbance level using UV/VIS Spectrophotometer with a wavelength of 517 nm and then repeated 3 times. After that, the percentage of inhibition was calculated and the IC50 value of antioxidant was obtained. Then, the difference in antioxidant levels between the two was carried out Independent T-Test statistical test. Results: There is antioxidant activity in kaffir lime leaf extract solution and Malang apple vinegar solution. Kaffir lime leaf extract solution can be detected with 0.1% concentration mother liquor with antioxidant levels of 347.691 µg/ml and Malang apple vinegar solution can be detected with 5% and 2.5% mother liquor with antioxidant levels of 8375.25 µg/ml and 8021.162 µg/ml. Both have statistically different antioxidant levels. Conclusion: There are differences in antioxidant levels in kaffir lime leaf extract solution and Malang apple vinegar solution with various concentrations. Kaffir lime leaf extract solution is effective against free radicals at a concentration of about 0.03%, while Malang apple vinegar solution is effective at a concentration of about 0.8%."

"Latar Belakang: American Association of Endodontist (AAE) (2021) menganjurkan penggunaan irigasi NaOCl 1,5% - 3% dan EDTA 17% pada prosedur regeneratif endodontik. Namun, kedua larutan irigasi tersebut memiliki efek terhadap sel punca dan jaringan dentin. Oleh karena itu bahan pengganti bersumber dari bahan alami mulai diteliti, salah satunya adalah cuka apel. Tujuan: Menganalis efek larutan cuka apel berbagai konsentrasi dan larutan irigasi sintetik terhadap topografi dan kekasaran permukaan dentin saluran akar. Metode: 28 spesimen dentin setebal 1 mm dibagi random pada 7 kelompok, lalu tiap kelompok terdiri dari 4 spesimen. Spesimen dentin direndam dengan aquades, NaOCl 1,5%, NaOCl 2,5%, EDTA 17%, larutan cuka apel 2,5%, 5% dan 10% dengan volume 1,8 ml selama 1 menit. Pengamatan topografi dan analisis kekasaran permukaan dentin saluran akar dilakukan dengan mikroskop digital. Hasil: Terdapat efek larutan cuka apel berbagai konsentrasi dan larutan irigasi sintetik terhadap topografi dan kekasaran permukaan dentin saluran akar yang dievaluasi dengan mikroskop digital. Namun tidak terdapat perbedaan efek larutan cuka apel konsentrasi 2,5%, 5% dan 10% dibandingkan dengan NaOCl 1,5%, 2,5% dan EDTA 17% terhadap kekasaran permukaan dentin saluran akar. Kesimpulan: Larutan cuka apel memiliki efek terhadap kekasaran permukaan dentin saluran akar. Nilai rerata kekasaran permukaan terendah adalah cuka apel 2,5% walaupun nilainya tidak berbeda bermakna dengan larutan uji lainnya.

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Background: The American Association of Endodontist (AAE) (2021) recommends the use of 1.5% - 3% NaOCl irrigation and 17% EDTA in regenerative endodontic procedures. However, these two irrigant solutions had an effect on stem cells and dentine tissue. Therefore, substitutes derived from natural ingredients have begun to be researched, one of which is apple vinegar. Objective: To analyze the effect of various concentrations of apple vinegar and synthetic irrigation solutions on topography and surface roughness of root canal dentin Method: 28 specimens of 1 mm thick dentin were randomly devided into 7 groups, then each group consisted of 4 specimens. Dentin specimens were immersed in distilled water, 1.5% NaOCl, 2.5% NaOCl, 17% EDTA, 2.5%, 5% and 10% apple vinegar solution with 1.8 ml volume of solution for 1 minute. The topography and surface roughness observation was carried out using digital microscope. Results: There was effect of apple vinegar solutions with various concentrations and synthetic irrigant solutions on topography and surface roughness of root canal dentin evaluated by digital microscopy. However, there was no difference in the effect of apple vinegar solution concentrations of 2.5%, 5% and 10% compared to 1.5%, 2.5% NaOCl and 17% EDTA on surface roughness of root canal dentin. Conclusion: Apple vinegar solution has an effect on surface roughness of root canal dentin. The lowest average surface roughness value was 2.5% apple vinegar, although the value was not significantly different from the other test solutions."

"Enterococcus faecalis adalah bakteri yang paling dominan pada kasus infeksi pasca perawatan endodontik. Telah diteliti aktivitas fenotipnya (kemampuan membentuk biofilm dan Gel E serta viabilitasnya terhadap NaOCL dan khlorheksidin) dan profil genotipnya. Ternyata tidak ada perbedaan aktivitas Gel E E. faecalis saluran akar dan saliva pasien pra dan pasca perawatan. Dalam membentuk biofilm, kemampuan E. faecalis saluran akar pra-perawatan lebih kuat daripada pasca-perawatan, sedangkan kemampuan E. faecalis saliva tidak berbeda. Viabilitas E. faecalis menurun jika kadar NaOCl dan khlorheksidin meningkat; 30 menit adalah waktu inkubasi efektif. Terdapat keragaman profil genotip antara E. faecalis saliva dan saluran akar, pra dan pasca perawatan.

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Enterococcus faecalis is strong dominance bacteria in post treatment endodontic disease. Its phenotype activity (its ability to produce biofilms and Gel E also its viability to NaOCL and chlorexidine) and its genotype profile has been observed. It turns out that there?s no difference in E. faecalis Gel E activity of root canal and saliva from pre- nor post-endodontic treated patients. In producing biofilms, the ability of E. faecalis pre-endodontic treated root canal was stronger than the postendodontic treated root canal, while the ability of E. faecalis from saliva have no difference. The viability of E. faecalis decline if the concentration of NaOCl and chlorexidine were increasing; the effective incubation time was 30 minutes. There?s various genotype profile between E. faecalis of saliva and root canal either pre- or post-endodontic treatment."

"Latar Belakang : Enterococcus faecalis merupakan bakteri yang mampu membentuk biofilm dan banyak ditemukan pada kasus kegagalan perawatan saluran akar. Tujuan : Melihat daya antibakteri kitosan dan klorheksidin terhadap E. faecalis dalam biofilm. Metode : Deteksi dan kuantifikasi E. faecalis dalam biofilm yang hidup pasca pemaparan bahan uji, dengan real time PCR. Hasil : Terdapat perbedaan jumlah bakteri yang signifikan antara kedua kelompok bahan uji terhadap kontrol (p ≤ 0,05), tetapi tidak terdapat perbedaan bermakna antara kelompok kitosan dan klorheksidin. Kesimpulan : Daya antibakteri kitosan 2% terhadap biofilm E. faecalis sebanding dengan klorheksidin 2%.

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Background : Enterococcus faecalis has an ability to form biofilms and become a predominant bacteria that plays a major role in the etiology of persistent lesions after root canal treatment.

Aim : To analyze the efficacy of chitosan and chlorhexidine against E. faecalis in biofilms.

Methods : Detection and quantification of E. faecalis DNA that survive and live after immersing the biofilm in antibacterial solution, with real time PCR.

Result : Statistically there is significant difference of living E. faecalis between chitosan and control and between 2% chlorhexidine and control (p ≤0,05). But there is no significant different between chitosan and chlorhexidine (p>0,05).

Conclusion : Antibacterial effectivity of chitosan is equal to chlorhexidine against E. faecalis in biofilm."

"Penelitian ini dilakukan untuk menguji daya antibakteri bahan irigasi nisin 10%, klorheksidin 2%, natrium hipoklorit 2,5% terhadap pertumbuhan biofilm E. faecalis secara in vitro. Bakteri E. faecalis ATCC 29212 dibiakkan pada media agar BHI kemudian diinkubasi 24 jam pada suhu 370C. Bakteri diinokulasi pada membran filter selulosa nitrat selama 72 jam agar terbentuk biofilm. Dilakukan uji kontak langsung antara bahan uji dan biofilm selama 10 menit. Dilakukan kuantifikasi DNA bakteri yang hidup melalui penambahan PMA pada Real time PCR. Hasilnya nisin 10% mempunyai daya antibakteri terhadap biofilm E.faecalis, namun tidak sebanding dengan klorheksidin 2% dan natrium hipoklorit 2,5%.

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The aim of this study was to evaluate antibacterial efficacy of 10% nisin, 2% chlorhexidine, 2.5% sodium hypochlorite against E.faecalis biofilm in vitro. Petri dishes containing BHI agar were seeded with E. faecalis ATCC 29212, incubated overnight at 370C. Celullose nitrate filter membrane was inoculated with E.faecalis for 72 hours to grown a biofilm. Direct contact test was performed between the test solutions and biofilm for 10 minutes. DNA quantification was performed using Real time PCR with PMA additive to count the lived cell. It was concluded that 10% nisin possessed antibacterial effect against E.faecalis biofilm, but not comparable with 2% chlorhexidine and 2.5% sodium hypochlorite."

"Latar Belakang: Perawatan endodontik bertujuan untuk menghilangkan infeksi mikroba yang terlibat pada sistem saluran akar. Enterococcus faecalis merupakan spesies yang terlibat dalam infeksi endodontik. E. faecalis memproduksi enzim gelatinase yang dapat membantu untuk menempel pada permukaan dentin. Propolis dikenal kaya akan bahan aktif sehingga berpotensi menjadi bahan alam untuk menunjang perawatan endodontik. Tujuan: Menetapkan efektivitas propolis 0.2%, 0.8%, dan 1.2% jika dibandingkan dengan NaOCl 5.25% serta pengaruhnya terhadap ekspresi gen gelE pada biofilm E. faecalis dan aktivitas gelatinase. Metode: Eksperimen biofilm ditumbuhkan pada 96­-well plate dan diinkubasi dalam keadaan microaerofilik selama 14, 48, dan 72 jam dan selanjutnya dilakukan uji ekspresi gen gelE dengan RT-qPCR serta uji gelatinase dilakukan pada BHI agar yang dicampurkan dengan 3mg susu skim yang dibentuk sumuran setelahnya diinkubasi selama 3, 9, dan 24 jam Hasil: Pada hasil penelitian didapatkan hasil secara kualitatif pengamatan mikroskopik adanya efektivitas propolis terhadap E. faecalis seiring dengan bertambahnya konsentrasi pada masa inkubasi 24 dan 48 jam. Dari hasil uji statistik Kruskall wallis dengan menggunakan GraphPad, ekspresi mRNA gelE dipengaruhi oleh propolis jika dibandingkan dengan kontrol negatif , hasil uji statistik didapatkan hasil yang signifikan (p < 0.05). Berdasarkan hasil dari uji gelatinase didapatkan diameter zona bening propolis 0.2%, 0.8%, dan 1.2% lebih kecil jika dibandingkan dengan kontrol negatif dan akuades secara berurutan, akan tetapi lebih besar jika dibandingkan dengan NaOCl 5.25% selaku kontrol positif. Kesimpulan: Propolis berpotensi menjadi bahan medikasi dan irigasi pada perawatan endodontik, selanjutnya perlu dilakukan penelitian lebih lanjut dengan bakteri multispesies dan konsentrasi propolis yang lebih tinggi.

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Background: Endodontic treatment aims to eliminate the microbial infection involved in the root canal system. Enterococcus faecalis is a species involved in endodontic infections. E. faecalis produces gelatinase enzymes that can help to adhere to the dentin surface. Propolis is known to be rich in active ingredients so that it has the potential to be a natural ingredient to support endodontic treatment. Objective: To determine the effectiveness of propolis 0.2%, 0.8%, and 1.2% when compared to 5.25% NaOCl and their effect on the expression of the gelE gene in E. faecalis biofilm and gelatinase activity. Methods: Biofilm were grown on a 96-well plate and incubated under microaerophilic conditions for 14, 48, and 72 hours and then tested for gelE gene expression using RT-qPCR and gelatinase test was performed on BHI agar mixed with 3mg of skim milk formed The wells were then incubated for 3, 9, and 24 hours. Results: The results obtained qualitatively microscopic observations of the effectiveness of propolis against E. faecalis along with increasing concentrations during the incubation period of 24 and 48 hours. From the results of the Kruskall Wallis statistical test using GraphPad, the expression of gelE mRNA was affected by propolis when compared to the negative control, the statistical test results obtained significant results (p < 0.05). Based on the results of the gelatinase test, the diameter of the clear zone of propolis 0.2%, 0.8%, and 1.2% was smaller than the negative control and distilled water respectively, but larger than the 5.25% NaOCl as the positive control. Conclusion: Propolis has the potential to be a medicinal and irrigation material in endodontic treatment, further research needs to be done with multispecies bacteria and higher concentrations of propolis"

"Latar Belakang: E.faecalis isolat klinis merupakan bakteri yang menyebabkan lesi periapeks persisten. Bioceramic dan Mineral Trioxide Aggregate merupakan siler yang mempunyai sifat anti bakteri. Tujuan: Untuk menganalisis efek anti bakteri siler Bioceramic dan MTA terhadap E.faecalis isolat klinis pada waktu 2 menit segera , 4 jam initial setting , 1 dan 7 hari setelah pengadukan siler. Metode: Efek anti bakteri siler Bioceramic dan MTA diperiksa dengan direct contact test. Masing-masing siler dikontakkan langsung dengan E.faecalis isolat klinis 2 menit, 4 jam, 1 dan 7 hari setelah pengadukan siler. Suspensi ini dioleskan pada medium agar dan diinkubasi 24 jam untuk melihat koloni bakteri yang tumbuh CFU/ml. Hasil: Terdapat perbedaan bermakna antara siler Bioceramic dan MTA pada waktu 7 hari, antara siler Bioceramic pada waktu 2 dan 4 jam serta waktu 4 jam dan 7 hari setelah pengadukan siler. Kesimpulan: siler Bioceramic dan MTA mempunyai efek anti bakteri yang baik terhadap E.faecalis pada saat segera, initial setting, dan 1 hari setelah pengadukan siler, pada waktu 7 hari setelah pengadukan, siler MTA yang paling baik. Siler MTA mempunyai efek anti bakteri yang konstan sampai 7 hari Keywords : Entereococcus faecalis isolat klinis, Siler Bioceramic dan Mineral Trioxide Aggregate MTA

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Background: E.faecalis isolate clinic is a kind of bacteria that cause persistent periapical lesion. Bioceramic and Mineral Trioxide Aggregate are sealers that having antibacterial properties.

Aim: To analyze antibacterial effect of Bioceramic and MTA sealers against E.faecalis isolate clinic at 2 minutes fresh , 4 hours initial setting , 1 day and 7 day after mixed the sealers.

Methods: Antibacterial effect of Bioceramic and MTA sealers was assessed by direct test contact. Each sealer was contacted with E.faecalis isolate clinic at 2 minutes, 4 hours, 1 day and 7 days after mixed the sealers. This suspension was swab in agar medium and incubated for 24 hours. The colony in agar plates is counted with colony forming unit CFU .

Result: The significant differences was shown by Bioceramic and MTA at 7 days, between Bioceramic at 2 minutes fresh and 4 hours initial setting also at 4 hours initial setting and 7 days after mixed the sealer.

Conclusion: Both of Bioceramic and MTA sealers have a good antibacterial effect at fresh, initial setting and 1 hour after mixed the sealer but at 7 days, MTA was the greater. MTA sealer has a constant antibacterial effect until 7 days. "