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"ABSTRACTTujuan: Penelitian ini bertujuan untuk mengetahui pengaruh sistem pemolesan terhadap perubahan warna resin komposit mikrohibrida setelah perendaman dalam larutan Luwakwhite coffee. Material dan Metode Penelitian: Dalam penelitian ini digunakan empat puluh dua spesimen berdiameter 6 mm dan tebal 2 mm yang dibagi menjadi 6 kelompok dengan 2 bahan yang berbeda yaitu G-aenial PosteriorTM dan Filtek Z250TM dipoles menggunakan Sof-Lex disc SuperfineTM, PoGo, dan tidak dipoles. Spesimen di polimerisasi menggunakan LED Curing Unit dengan irradiansi 700 mW/cm2 (LED Max Hilux) selama 20 detik. Setelah dipoles, spesimen direndam dalam larutan Luwak white coffee selama 7 hari. Perubahan warna diukur menggunakan colorimeter NH310 (Shenzhen 3NH) dengan sistem warna CIE Lab. Data dianalisis menggunakan uji Statistik One-Way Anova Test. Hasil: Setelah dipoles, terdapat perbedaan yang signifikan (p<0,05) pada nilai I E1 dan nilai I a1, namun untuk nilai I L1 dan nilai I b1 tidak terdapat perbedaan yang signifikan. Setelah perendaman dalam larutan Luwakwhite coffee, terdapat perbedaan yang signifikan (p<0,05) pada nilai I E2, nilai I b2. Sedangkan, nilai I L2 hampir terdapat perbedaan yang signifikan pada seluruh kelompok, kecuali G-aenial PosteriorTM yang tidak dipoles dengan Filtek Z250TM yang tidak dipoles, Filtek Z250TM yang tidak dipoles dengan Filtek Z250TM yang dipoles menggunakan Sof-LexTM Superfine, dan G-aenial PosteriorTM yang dipoles menggunakan Sof-LexTM Superfine dengan Filtek Z250TM yang dipoles menggunakan Sof-LexTMSuperfine serta nilai I a2 hampir terdapat perbedaan yang signifikan pada seluruh kelompok, kecuali Filtek Z250TM yang tidak dipoles dengan Filtek Z250TM yang dipoles menggunakan PoGo. Kesimpulan: Sistem pemolesan yang berbeda dapat mempengaruhi nilai perubahan warna resin komposit mikrohibrida. Pemolesan menggunakan PoGo menghasilkan perubahan warna paling kecil. Filtek Z250TM memiliki perubahan warna terkecil setelah perendaman dalam larutan Luwak white coffeeselama 7 hari.

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ABSTRACTObjectives: This study aims to analyze the influence of polishing systems on color change of microhybrid composite resin after immersion in Luwak white coffee solution.Material and Methods: In this study, fourty two specimens, 6 mm in diameter and 2 mm thick, were divided into six groups with different composite types, that is G-aenial PosteriorTM and Filtek Z250TM, polished with Sof-Lex disc SuperfineTM, PoGo and unpolished. The specimens are polymerized for 20 seconds using a 700 mW/cm2irradiance LED curing unit (LED Max Hilux). After polishing, the specimens are immersed in Luwak white coffee solution for 7 days. The color change is measured using a colorimeter NH310 (Shenzhen 3NH) with the CIE Lab color system. Data were analyzed using One-Way ANOVA test. Results: After polishing, there were statistically significant differences (p<0,05) between the I E1 and I a1 groups. However, statistically significant differences were not found between the I L1 and I b1 groups. After immersed in Luwak white coffee, there were statistically significant differences (p<0,05) between the I E22 and I b1 groups. Meanwhile, almost all of the I L2 groups showed a significant increase, except for G-aenial PosteriorTM unpolished with Filtek Z250TM unpolished, Filtek Z250TM unpolished with Filtek Z250TM polished using Sof-LexTMSuperfine, G-aenial PosteriorTM polished using Sof-LexTM Superfine with Filtek Z250TMpolished using Sof-LexTM Superfine and I a2 groups showed a significant increase, except Filtek Z250TM unpolished with Filtek Z250TM polished using PoGo. Conclusions:It was concluded that different polishing systems affect color change of the microhybrid composite resins. Polishing with PoGo produces the smallest color change. Filtek Z250TM was determined to have the smallest color change after immersion in Luwak white coffee for 7 days."

"Latar Belakang: Bleaching merupakan prosedur mencerahkan warna gigi dengan bantuan bahan kimia yang memiliki efek samping berupa perubahan pada permukaan material resin komposit. Sementara itu, kekasaran permukaan memainkan peran penting dalam penentuan interaksi material restorasi dengan lingkungan rongga mulut karena tekstur permukaan yang tidak baik dapat meningkatkan retensi akumulasi plak dan dapat menimbulkan penyakit lainnya. Namun, penelitian mengenai efek bleaching agent pada kekasaran permukaan melaporkan hasil yang kontroversial. Tujuan: Penelitian ini bertujuan untuk menganalisis pengaruh in-home bleaching agent terhadap kekasaran permukaan resin komposit nanofilled dan microhybrid. Metode: Resin komposit nanofilled FiltekTM Z350 XT Universal Restorative (3M ESPE) dan resin komposit microhybrid FiltekTM Z250 Universal Restorative (3M ESPE) digunakan pada penelitian ini. Sebanyak 16 spesimen disiapkan dari masing-masing jenis resin komposit yang dinyatakan oleh kelompok A resin komposit nanohybrid dan kelompok B resin komposit microhybrid (jumlah total spesimen adalah 32). Seluruh spesimen dibuat dengan penumpatan material ke dalam mould dengan diameter 6 mm dan ketebalan 2 mm menggunakan kaca preparat dengan strip seluloid kemudian diberikan beban 500 gram. In-home bleaching agent (Opalescence Tooth Whitening Systems 10% Carbamide Peroxide Concentrations) diaplikasikan selama 8-10 jam/hari. Seluruh perlakuan dilakukan pada suhu 37°C dan in-home bleaching agent dibilas setiap hari selama 1 minggu dan disimpan dalam air saline steril selama periode hiatus. Kemudian, seluruh spesimen diuji dan dicatat nilai kekasaran permukaan (Ra) dalam satuan μm dengan menggunakan alat uji surface roughness tester (Surtronic® S-128) sebelum dan sesudah perlakuan. Data dianalisis secara statistik dengan uji Paired T-Test dan Independent T-Test. Hasil: Terdapat perbedaan bermakna antara kekasaran permukaan resin komposit nanofilled dan microhybrid sebelum dan sesudah aplikasi in-home bleaching agent (p<0,005). Terdapat perbedaan bermakna antara resin komposit nanofilled dan microhybrid sesudah aplikasi in-home bleaching agent (p<0,005). Kesimpulan: In- home bleaching agent secara signifikan meningkatkan nilai kekasaran permukaan pada kedua jenis material resin komposit dengan resin komposit nanofilled lebih rendah dari resin komposit microhybrid. Kekasaran permukaan pada kedua jenis resin komposit masih dapat diterima secara klinis karena menunjukkan nilai di bawah ambang batas kritis 0,2 μm.

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Background: Bleaching is a procedure that involves lightening the color of a tooth through the application of a chemical agent, which has a side effect in the form of changes to the surface of the composite resin material. Meanwhile, surface roughness plays a vital role in determining a material’s interaction with the oral environment due to the poor surface texture of dental materials. It has a significant influence on plaque accumulation and causes other diseases. However, studies on the effect of bleaching agents on the surface roughness of dental materials have reported controversial results. Objectives: This study aimed to analyze the effect of in-home bleaching agents on the surface roughness of nanofilled and microhybrid composite resin. Methods: Nanofilled composite resin FiltekTM Z350 XT Universal Restorative (3M ESPE) and microhybrid composite resin FiltekTM Z250 Universal Restorative (3M ESPE) were used in the present study. Sixteen specimens were prepared from each type of composite resin that represented by group A for nanofilled composite resin and group B for microhybrid composite resin (total number of specimens were 32). Each specimen was prepared by compressing a sufficient amount of material into a mold of 6 mm in diameter and 2 mm in thickness using glass slides with celluloid strip, then given a load of 500 grams. In-home bleaching agents (Opalescence Tooth Whitening Systems 10% Carbamide Peroxide Concentrations) were applied 8-10 hours/day. All treatment was conducted at 37°C temperature, and an in-home bleaching agent was applied and rinsed off daily for one week and stored in distilled water during the hiatus period. Then, the surface roughness of all specimens was measured and recorded (Ra) value in μm using a surface roughness tester (Surtronic® S-128) before and after being treated. Data were statistically analyzed with Paired T-Test and Independent T-Test. Result: There was a statistically significant difference between the surface roughness of nanofilled and microhybrid composite resin before and after being bleached with an in-home bleaching agent (p<0,005). There was a statistically significant difference between nanofilled and microhybrid composite resin after being bleached with an in-home bleaching agent (p<0,005). Conclusion: In-home bleaching agent significantly increased the surface roughness value of both types of composite resin with nanofilled composite resin is lower than microhybrid composite resin. Surface roughness for both composite resins is still clinically acceptable because values tested below the critical threshold of 0,2 μm."

"Tujuan: Untuk mengetahui pengaruh perendaman resin komposit mikrohibrida Filtek Z250™ di dalam larutan cokelat Indonesia asal Aceh, Lampung, Jawa Timur, Bali, Flores, dan Kendari terhadap perubahan warna. Metode dan Material: Digunakan 42 spesimen resin komposit mikrohibrida Filtek Z250TM berdiameter 6 mm dan tebal 2 mm serta minuman cokelat Indonesia asal Aceh, Lampung, Jawa Timur, Bali, Flores, dan Kendari. Spesimen dipolimerisasi menggunakan LED Curing Unit iradiansi 700 mW/cm2 (LED Max Hilux) selama 20 detik kemudian direndam di dalam larutan cokelat selama 7 hari yang diganti setiap harinya. Perubahan warna diukur menggunakan colorimeter NH310 (Shenzhen 3NH) dengan sistem CIE L*a*b kemudian dianalisis menggunakan uji statistik One-Way Anova. pH larutan media perendaman diukur menggunakan pH meter (Thermo Scientific Orion Star A211 Benchtop). Hasil: Terdapat perubahan warna sebelum dan sesudah direndam dalam larutan cokelat yang signifikan (p<0,05) pada nilai ΔE*, ΔL*, Δa* dan Δb* nya. Larutan cokelat asal Lampung dengan pH yang paling rendah menyebabkan perubahan warna paling besar pada resin komposit Filtek Z250TM sedangkan larutan cokelat Kendari dengan pH yang paling tinggi menyebabkan perubahan warna yang paling kecil. Seluruh spesimen resin komposit Filtek Z250TM berubah menjadi lebih gelap. Kesimpulan: pH larutan coklat Indonesia mempengaruhi besarnya perubahan warna pada resin komposit mikrohibrida Filtek Z250TM.

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Objective: To analyze the influence of Indonesian (Aceh, Lampung, East Java, Bali, Flores, and Kendari) chocolate drink immersion on color change of microhybrid composite resin. Materials and Method: 42 specimens with 6 mm diameter and 2 mm thick, chocolate drink from Aceh, Lampung, East Java, Bali, Flores, and Kendari were prepared. The specimens were polymerized for 20 seconds using a 700 mW/cm2 irradiance LED curing unit (LED Max Hilux). Specimens were immersed in Indonesia chocolate drink for 7 days and the chocolate were changed everyday. The color changes of specimens were measured using colorimeter NH310 (Shenzhen 3NH) following CIE L*a*b system then being analyzed using statistic One-Way Anova Test. pH solutions was measured by pH meter (Thermo Scientific Orion Star A211 Benchtop). Results: There were significant color change ΔE*, ΔL*, Δa* and Δb* (p<0,05) before and after immersed in Indonesia chocolate. Lampung chocolate drink which has the lowest pH makes the most significant color changes on Filtek Z250TM, meanwhile Kendari chocolate drink which has the highest pH most likely has no effect on color changes. All composite resin colors are darker after being immersed in all solutions. Conclusions: Color changes on microhybrid composite resin Filtek Z250TM are influenced by pH."

"Tujuan: Penelitian ini bertujuan untuk mengetahui perubahan warna dari resin komposit mikrohibrida setelah perendaman dalam minuman cokelat Indonesia. Metode Penelitian: Dalam penelitian ini digunakan resin komposit mikrohibrida G-aenial Anterior™. Spesimen berbentuk silinder dengan ukuran diameter 6 mm dan tebal 2 mm. Selembar mylar strip diletakkan diatas permukaan resin komposit sebelum dilakukan proses curing. Polimerisasi dilakukan menggunakan Light Curing Unit (Ledmax Hilux Model 450) selama 20 detik dengan irradiansi 700 mw/cm2. Setelah polimerisasi, spesimen direndam dalam akuades pada suhu 37oC selama 24 jam. Spesimen dibagi menjadi tujuh kelompok (n = 6) yaitu; perendaman pada larutan kakao asal Aceh, Lampung, Jawa Timur, Bali, Flores, Kendari dan Akuades. Spesimen direndam dalam larutan cokelat dengan durasi 24 jam selama 7 hari dengan penggantian larutan setiap harinya. Warna spesimen diukur menggunakan Colorimeter NH310 (Shenzhen 3NH) menurut sistem warna CIE L*a*b* setelah perendaman pada akuades selama 24 jam dan setelah direndam dalam larutan cokelat Indonesia selama 7 hari. Indeks perubahan warna (ΔE*) antara setiap kelompok dihitung. Data dianalisis menggunakan uji One-Way Anova untuk menilai perbedaan warna antar kelompok perendaman. pH larutan cokelat diukur menggunakan pH meter (Thermo Scientific Orion Star A211 Benchtop). Hasil: Resin komposit G-aenial Anterior™ yang telah direndam di dalam enam larutan cokelat selama 7 hari menunjukkan perubahan warna yang signifikan antar kelompok (p<0,05). Larutan cokelat menyebabkan perubahan warna yang signifikan hanya pada satu kelompok yaitu kelompok G-aenial Anterior™ yang direndam dalam larutan cokelat Lampung. Perubahan warna yang paling rendah didapatkan pada kelompok resin komposit yang direndam dalam larutan cokelat Bali. Kesimpulan: Disimpulkan bahwa seluruh larutan cokelat tidak menyebabkan perubahan warna secara signifikan, kecuali pada larutan cokelat asal Lampung.

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Objectives: The aim of this study was to analyse the color change of resin composite microhybrid after immersion in Indonesian Chocolate Drink. Material and Methods: G-aenial Anterior™ resin composite was used in this study. All materials were prepared and polymerized into disk-shaped specimens of 6 mm in diameter and 2 mm in thickness. A piece of mylar strip was placed on top of the specimens just before the polymerization. Polymerization was done using Light Curing Unit (Ledmax Hilux Model 450 for 20 seconds with irradiance of 700 mw/cm2. Specimens were immersed in 37oC aquadest solution for 24 hours after polymerization was done. Specimens were divided into seven groups (n=6); immersion in chocolate drink from Aceh, Lampung, Jawa Timur, Bali, Flores, Kendari, and Aquadest. Specimens were immersed in chocolate drink for 7 days (with the duration being 24 hours daily). The chocolate drink solutions were changed daily. Color of the specimens were measured using Colorimeter NH310 (Shenzhen 3NH) according to the CIE L*a*b* color system after immersion in aquadest solution for 24 hours and after immersion in Indonesian chocolate drink for 7 days. Color change (ΔE*) of every groups was calculated. Data were analysed using One-Way Anova to assess the significant differences among immersion groups. pH levels of all chocolate drink was measured using a pH meter. (Thermo Scientific Orion Star A211 Benchtop). Results: G-aenial Anterior™ resin composite showed significant color differences among each groups after immersion in chocolate drink for 7 days (p<0,05). G-aenial Anterior™ resin composite that has been immersed in Lampung chocolate drink was the only group with significant color change. The least amount of color change was found in G-aenial Anterior™ resin composite immersed in Bali chocolate drink. Conclusions: It was concluded that none of the chocolate drink from Indonesia caused significant color change, except for Lampung chocolate drink."