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Hasil Pencarian

Ditemukan 3 dokumen yang sesuai dengan query
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Ike Dwi Maharti
"Daging buah Avokad mengandung senyawa fenol (flavonoid, tannin), dan alkaloid yang secara teoritis dikatakan memiliki efek antibakteri.
Tujuan: Mengetahui efek antibakteri ekstrak daging buah Avokad terhadap Streptococcus mutans.
Metode: Ekstrak daging buah Avokad diekstraksi dengan metode infundasi, kemudian dibuat menjadi 4 konsentrasi yaitu 80%, 90%, 95%, dan 100%. Ekstrak tersebut lalu diujicobakan kepada Streptococcus mutans yang diisolasi dari saliva 20 mahasiswa FKG UI. Efek antibakteri diuji dengan menggunakan metode difusi dan pengenceran, yang ditujukan untuk menentukan diameter zona hambatan, kadar hambat minimum (KHM) dan kadar bunuh minimum (KBM).
Hasil: Nilai mean diameter zona hambatan yang dihasilkan ekstrak daging buah Avokad, yaitu: konsentrasi 80%: 1,368 mm; 90%: 1,391 mm; 95%: 1,171 mm; 100%: 1,800 mm. Ekstrak daging buah Avokad tidak memberikan nilai KHM dan KBM.
Kesimpulan: Pada penelitian ini, efek antibakteri ekstrak daging buah Avokad belum terbukti efektif terhadap Streptococcus mutans.
Saran: Dilakukan penelitian lebih lanjut tentang efek antibakteri ekstrak daging buah Avokad menggunakan metode ekstraksi berbeda.

Nowadays, traditional plants are becoming more often to be used as an
alternative choice for healing mouth diseases, including tootache. One of them is Persea americana, which is known as Avocado, that is used to heal tootache. Avocado fruit contains phenol, flavonoid, alkaloid, and tannin which are studied having an antibacterial effect.
Objective: To determine the antibacterial effect of Avocado fruit extract on Streptococcus mutans.
Method: The bacteria used in this experiment was identified from 20 dental students in University of Indonesia. The experiment used infundasion method to extract the fruit. The extract concentration tested were 80%, 90%, 95%, 100%. The test method of the antibacterial effect were diffusion and dillution method, which were used to determine the inhibition zone, minimum inhibition concentration (MIC) and minimum bactericidal oncentration (MBC).
Result: The inhibition zone of Avocado fruit extract were 80% concentration: 1,368 mm, 90%: 1,391 mm, 95%: 1,171 mm, 100%: 1,800 mm. Avocado fruit extract did not have MIC and MBC values.
Conclusion: On this research, Avocado fruit extract (infundasion method) had not been proven effective to give an antibacterial effect on Streptococcus mutans.
Suggestion: The next research will be about the antibacterial effect of Avocado fruit extract using a different extraction method.
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Depok: Universitas Indonesia, 2007
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UI - Skripsi Membership  Universitas Indonesia Library
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Ike Dwi Maharti
"Instrumentasi saluran akar masih meninggalkan area tidak terpreparasi. Insrumen osilasi diklaim dapat membersihkan dinding saluran akar secara optimal.
Tujuan: Membandingkan luas dinding sepertiga apeks saluran akar yang tidak terpreparasi antara instrumen osilasi Reciproc® dan WaveOne®.
Metode: Tiga puluh dua saluran akar premolar mandibula diisi tinta cina kemudian dibagi menjadi dua kelompok berjumlah sama (n=16): Reciproc® dan WaveOne®. Luas dinding yang tertutup tinta cina dianalisis dengan Adobe Photoshop CS5.
Hasil: Kelompok II mempreparasi lebih banyak dinding tetapi tidak berbeda bermakna dengan kelompok I (p=0,265).
Kesimpulan: Reciproc® dan WaveOne® tetap meninggalkan area tidak terpreparasi di sepertiga apeks saluran akar.

Thirty five percents area of root canal wall was left uninstrumented after instrumentation. Oscillation instrument was claimed able to clean whole area of root canal walls.
Objective: to compare uninstrumented area of root canal at the apical third after instrumented by oscillation instrument.
Methods: Thirty two human mandibular premolar root canals were dyed with china ink and were divided equally into Reciproc® and WaveOne® group. The area was analyzed using Adobe Photoshop CS5.
Results: WaveOne® showed a better result than Reciproc®, but not statistically significant (p=0,265).
Conclusion: The Reciproc® and WaveOne® showed no difference in cleaning the root canal."
Depok: Universitas Indonesia, 2012
T33049
UI - Tesis Membership  Universitas Indonesia Library
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Ike Dwi Maharti
"Latar Belakang: Siler biokeramik berbasis kalsium silikat diketahui memiliki biokompabilitas tinggi, mampu beradhesi dengan dinding saluran akar serta dapat menginduksi respon osteogenik, yang dikategorikan sebagai material biomimetik. Akan tetapi, siler biokeramik memiliki kekurangan pada sifat fisiknya. Kitosan larut air merupakan bentuk modifikasi kitosan yang memiliki keunggulan sebagai antioksidan, antibakteri, berperan dalam penyembuhan lesi dan regenerasi jaringan serta sebagai dapat memperbaiki sifat fisik semen. Perpaduan kedua bahan dapat menciptakan semen saluran akar biomimetik.
Tujuan: Melakukan uji karakteristik, sifat fisik dan biologis terhadap novel siler hibrida biokeramik-kitosan larut air (BCC) sebagai semen biomimetik saluran akar.
Metode: Novel siler hibrida BCC dimanipulasi dari semen biokeramik (BC) yang telah melalui proses ball-milling dan sintering, kemudian dicampur kitosan larut air dengan W/P 0,4. Empat variabel penelitian, yaitu semen biokeramik BC, novel siler hibrida BCC, siler biokeramik dan siler epoksi resin dilakukan uji karakterisasi (XRD, SEM/EDS), uji sifat fisik (setting time, daya alir, film thickness), serta uji biologis (sitotoksisitas dan bioaktivitas terhadap hPDLSCs).
Hasil: Novel siler hibrida BCC mengandung unsur dan puncak kristalin yang serupa dengan siler biokeramik (Sure-Seal Root™), memiliki bentuk partikel yang cenderung globular dan homogen dengan jarak antarpartikel lebih rapat serta ukuran partikel deskriptif yang lebih besar dibandingkan Sure-Seal Root™ dan AH Plus® tetapi lebih kecil dibandingkan semen biokeramik BC. Hanya semen biokeramik BC dan novel siler BCC yang memiliki rasio Ca/Si/P. Novel siler BCC menunjukkan perbedaan setting time, daya alir dan film thickness yang bermakna dengan semen biokeramik BC, Sure-Seal Root™ dan AH Plus®. Keempat kelompok menunjukkan sitotoksisitas rendah terhadap hPDLSCs. Bioaktivitas novel siler BCC relatif lebih tinggi dibandingkan semua kelompok perlakuan dan kontrol.
Kesimpulan: Novel siler hibrida BCC berpotensi memberikan implikasi klinis yang baik, menunjukkan sifat fisik yang mendekati standar semen saluran akar dan memiliki bioaktivitas sebagai semen biomimetik saluran akar.

Background: Currently, bioceramic sealers with calcium silicate based have been developed and show high biocompatibility, are able to adhere to root canal dentin and can induce an osteogenic response, which can be categorized as biomimetic materials. On the other hand, water-soluble particle (WSP) chitosan, one of chitosan derivatives, has advantages as an antioxidant, antibacterial, plays a role in wound healing and tissue regeneration as well as a thickening agent. The combination of these two materials can create a biomimetic endodontic sealer.
Objective: To examine the characteristics, physical and biological properties of novel bioceramic-chitosan hybrid sealer (BCC) as biomimetic endodontic sealer.
Methods: Novel BCC sealer were manipulated from bioceramic cement (BC) which had been synthesized through a ball-milling and sintering process, then mixed with WSP chitosan with a W/P of 0,4. Four variables, namely novel BCC sealer, BC bioceramic cement, bioceramic and epoxy resin sealer were tested characterization (XRD, SEM/EDS), physical properties (setting time, flow, film thickness), and biological tests (cytotoxicity and bioactivity on hPDLSCs).
Results: Novel BCC sealer showed bioceramic elements and crystalline peaks similar to bioceramic sealer (Sure-Seal Root™), had a particle shape that tends to be globular and homogeneous with descriptive particle size larger than Sure-Seal Root™ and AH Plus® but smaller compared to BC bioceramic cement. Only BC bioceramic cements and novel BCC sealer had Ca/Si/P ratios. Novel BCC sealer showed significant differences in setting time, flow, and film thickness with BC bioceramic cements, Sure-Seal Root™ and AH Plus®. The four groups showed low cytotoxicity to hPDLSCs. The bioactivity of novel BCC sealer was relatively higher among other groups and control group.
Conclusion: Novel BCC hybrid sealer has good clinical implications, exhibit physical properties close to standard root canal cements and have bioactivity as root canal biomimetic sealer.
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Jakarta: Fakultas Kedokteran Gigi Universitas Indonesia, 2022
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UI - Disertasi Membership  Universitas Indonesia Library