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INDONESIA
Jurnal Material Kedokteran Gigi
Published by IKATAN PEMINAT ILMU MATERIAL DAN ALAT KEDOKTERAN GIGI INDONESIA
ISSN : 23025271     EISSN : 26850214     DOI : https://doi.org/10.32793/jmkg
Core Subject : Health, Science,
Dentistry Materials Science & Nanotechnology
Jurnal Material Kedokteran Gigi (JMKG) is a media publication of scientific research and studies of dental materials both in the form of research, case reports, and literature review. Acceptable topics include all aspects of dentistry materials, from new material research, test characteristics, appication, and evaluations of products that have been circulating.
Arjuna Subject : Kedokteran Gigi - Kedokteran Gigi (Lain-Lain)
Articles 3 Documents
 1 
Search results for , issue "Vol 4 No 1 (2015): JMKG Vol 4 No 1 Maret 2015" : 3 Documents clear
Uji Sitotoksitas Rebusan Buah Lerak (Sapindus rarak DC) Terhadap Sel BHK-21 Atika Rahmadina; Devi Rianti; Asti Meizarini
Jurnal Material Kedokteran Gigi Vol 4 No 1 (2015): JMKG Vol 4 No 1 Maret 2015
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

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Abstract

Nowadays traditional herbs are become very popular in the medicine world, and also in dentistry. Lerak fruit (Sapindus rarak DC) is one of herbs which is used as a traditional detergent from long time ago. The latest research shows that right now Sapindus rarak DC infusum could be used for an alternative foaming agent as a detergent in tooth paste because of its active substance content that is Saponin. As one of dental health product, this Sapindus rarak DC infusum must be accompanied by non-toxic characteristic before it distributed in the community. The aim of this research is to find out the cytotoxicity of Sapindus rarak DC infusum to BHK-21 cells using MTT assay. This research using post test only control group design. Each group consist of 7 replications in the 96 well microplate. Cultur cells of BHK-21 prepared in media, were divided into 4 group of well. Add 50 µl of Sapindus rarak DC infusum 0,625%; 1,25%; 2,5%; 5% along with BHK-21 cells. Stored the microplate into an incubator for 24 hours. Measurement of cytotoxicity was an optical density or absorbent and read with ELISA reader 620 nm. Value of absorbent in microplate showed the number of living cells in media culture. The increasing concentration of Sapindus rarak DC infusum i.e. 0,625%; 1,25%; 2,5%; 5% would increase the death cells which that means increasing toxicity. The lowest concentration of Sapindus rarak DC infusum has the lowest cytotoxicity potential toward BHK-21 cells using MTT assay. The minimum concentration of Sapindus rarak DC infusum which could be used as an alternative foaming agent in toothpaste and not toxic is 1,25%.
Pengaruh Perbandingan Bahan Pengisi (alumina-magnesia-silika) Terhadap Karakteristik dan Kekerasan Nanokomposit Berbasis Geopolimer untuk Aplikasi Bracket Ortodontik Cekat Kiky Viviani; Angela Evelyna; Bambang Sunendar Purwasasmita
Jurnal Material Kedokteran Gigi Vol 4 No 1 (2015): JMKG Vol 4 No 1 Maret 2015
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

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Abstract

Ceramic bracket has advantage that good aesthetic and good hardness, however it has weaknesses which are high cost and brittle so that, it needed others alternative substances such as composite. Nanocomposite has grown in many regions, one of them is in dentistry. Nanocomposite frequently used because of synthesis relative simple and it can increase characteristics substance. This study was alumina, magnesia, silica synthesized with sol-gel technique for filler of nanocomposite based geopolymer. The purposes of this study are to obtain initial characteristics and hardness of nanocomposite aluminamagnesia-silica. Specimens of this study were nanocomposite with ratio filler alumina-magnesia-silica 48:40:12 (group I) and 65:30:5 (group II). XRD used to determine the crystalline phase and composition filler powder alumina-magnesia-silica, whereas SEM and Vickers hardness test used to determine the morphology microstructure and hardness nanocomposite surface. XRD test represent phase magnesia alumina spinel formed in both groups, with crystalline size are 30-39 nm. SEM test of group I represent particle dispersion more prevalent, whereas SEM test of group II represent agglomeration particle and porous. The average of group I was 60,16 VHN, while the average of group II was 6,98 VHN. Visualization nanocomposite of group I represent transparent color and group II represent white opaque color. Conclusion of this study is nanocomposite with ratio of filler alumina- magnesia-silica 48:40:12 (group I) has particle dispersion more prevalent and hardness higher than nanocomposite with ratio of filler alumina-magnesia-silica 65:30:5 (group II), but the application as a bracket fixed orthodontic further study is needed.
Analisis Kekuatan Tarik Diametral Resin Komposit Olahan Sendiri dengan Filler Hidroksiapatit dari Tulang Ikan Air Tawar Zulia Hasratiningsih; Elin Karlina; Veronica Septnina Primasari
Jurnal Material Kedokteran Gigi Vol 4 No 1 (2015): JMKG Vol 4 No 1 Maret 2015
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (320.953 KB)

Abstract

Saat ini, resin komposit sebagai bahan restorasi semakin banyak digunakan di bidang kedokteran gigi. Berbagai macam penelitian tentang resin komposit telah banyak dilakukan untuk mendapatkan sifat mekanis dan biokompatibilitas yang baik. Penelitian ini bertujuan untuk menganalisis kekuatan tarik diametral resin komposit olahan sendiri dengan filler hidroksiapatit dari tulang ikan air tawar. Jenis penelitian yang dilakukan adalah eksperimental semu. Sampel penelitian dibagi menjadi dua kelompok, yaitu kelompok resin komposit olahan sendiri (kelompok perlakuan) dan resin komposit buatan pabrik merk GC Solare P (kelompok kontrol). Masingmasing kelompok terdiri dari lima buah spesimen. Uji kekuatan tarik diametral dilakukan menggunakan alat Universal Testing Machine merk Lloyd dengan beban sebesar 5,6 N dan kecepatan crosshead 0,5 mm/menit. Hasil pengukuran kekuatan tarik diametral untuk resin komposit olahan sendiri adalah 2,9872 MPa dan resin komposit buatan pabrik adalah 37,8344 MPa. Hasil pengujian dianalisis secara statistik dengan t test (a = 0,05), menunjukkan bahwa terdapat perbedaan kekuatan tarik diametral yang bermakna antara resin komposit olahan sendiri dengan resin komposit buatan pabrik. Kesimpulan yang diperoleh dari penelitian ini adalah resin komposit olahan sendiri dengan filler hidroksiapatit dari tulang ikan air tawar memiliki kekuatan tarik diametral yang lebih rendah daripada resin komposit buatan pabrik.

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