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All Journal Dental Journal (Majalah Kedokteran Gigi) Journal of Dentomaxillofacial Science Jurnal Material Kedokteran Gigi Indonesian Journal of Dental Medicine
Titien Hary Agustantina
Departemen Material Kedokteran Gigi Fakultas Kedokteran Gigi Universitas Airlangga
Dentistry Materials Science & Nanotechnology

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The effect of voltage and time of exposure on surface hardness of resin modified glass ionomer cement Titien Hary Agustantina
Dental Journal (Majalah Kedokteran Gigi) Vol. 40 No. 2 (2007): June 2007
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (111.585 KB) | DOI: 10.20473/j.djmkg.v40.i2.p94-97

Abstract

Light intensity can affect the polymerization of resin-based material therefore it will also affect surface hardness. To compensate reduction of light intensity becaused of the input of low voltage (200 and 210 volt), the exposure time was prolonged to be 40 and 60 seconds. The purpose of this study was to know the effect of voltage and time of exposure of resin modified glass ionomer cement on surface hardness. This study was completed with seventy two samples of resin modified glass ionomer cement 5 mm in diameter and 2 mm in height, exposed by visible light curing for 20, 40, and 60 seconds with voltage input 220, 210 and 200 volt. Micro vickers hardness tester was used to test surface hardness on the upper surface of sample. Two-way ANOVA test and Least Significant Difference (LSD) were used in data analysis with 5% level of significance. The result showed that lower input (210 and 210 volt) would decrease surface hardness of resin modified glass ionomer cement, longer exposure time (40 and 60 seconds) would increase the surface hardness of resin modified glass ionomer cement. The conclusion is the prolong of exposure time from 20 seconds to 40 and 60 seconds in all voltage input could increase surface hardness of resin modified glass ionomer cement.
Perubahan kekuatan impak resin akrilik polimerisasi panas dalam perendaman larutan cuka apel Suguh Bhaktiar Pribadi; Moh. Yogiartono; Titien Hary Agustantina
Journal of Dentomaxillofacial Science Vol. 9 No. 1 (2010): Formerly Jurnal Dentofasial ISSN 1412-8926
Publisher : DiscoverSys Inc.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15562/jdmfs.v9i1.227

Abstract

Acrylic resin being has been used in dentistry since 1946. Apple vinegar solutioncurrently popular as healthy supplement drink. It consists of tanin (fenol), acid, andother subtances. Fenol and acid are able to chemically damage to acrylic resin. Thepurpose of this study was to investigate the impact strength of heat cured acrylic resinafter immersed in apple vinegar solution. This experiment was carried out on the heatcured acrylic resin sample of size 65 x 10 x 2.5 mm. The immersion periods variedfrom 45 minutes, 11 days, and 17 days. There were 42 samples, divided into 21samples for three treatment groups and 21 samples for three control groups. Theresult showed that there were significant differences of acrylic resin strength afterimmersion in apple vinegar at 45 minutes and 17 days. The conclusion was the longerimmersion time of acrylic resin in apple vinegar would reduce the impact strength.
Perendaman semen ionomer kaca konvensional dalam kefir terhadap kekerasan permukaan Soraya Dian Permata Rezky; Titien Hary Agustantina; Devi Rianti
Journal of Dentomaxillofacial Science Vol. 9 No. 1 (2010): Formerly Jurnal Dentofasial ISSN 1412-8926
Publisher : DiscoverSys Inc.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15562/jdmfs.v9i1.233

Abstract

Conventional glass ionomer cement is a restorative material used in dentistry. Kefir isa beverage as a result of milk fermentation milk and kefir seeds. Know the change ofsurface hardness in conventional glass ionomer cement after soaking in kefir. Ninesample discs (5 mm in diameter and 3 mm thick)were prepared, each disc contained 6samples. All samples prepared following the manufacturers’ instructions then kept for24 hours at room temperature before soaking in aquades and kefir. Vickersmicrohardness was used to measure the surface hardness at the top surface of thesample. Data were statistically analyzed using ANOVA and LSD (p < 0.05). This studyindicated that soaking of conventional glass ionomer cement in aquades and kefirdecreased surface hardness. The conclusion is conventional glass ionomer cementsoaked in kefir for a long time (108 hours) decreased in the surface hardness largely.
Uji sitotoksisitas ekstrak sambiloto (andrographis paniculate ness) pada sel fibroblas dengan MTT Sugandi Mastia Anugrah; Devi Rianti; Titien Hary Agustantina
Jurnal Material Kedokteran Gigi Vol 8 No 2 (2019): JMKG Vol 8 No 2 September 2019
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32793/jmkg.v8i2.422

Abstract

Sambiloto (Andographis Paniculata ness) is one of the plants that can be used as an alternative material of root canal irrigation. The phytochemical substance in the sambiloto extract such as flavonoids, tanin, alkaloid, saponin has been show to have antibacterial activity against Enterococcus faecalis. the ideal properties of an alternative material of root canal irrigants is not only have antibacterial activity but also is non-toxic to the tissues. Aim. The aims of this study is to determinate whether the sambiloto extract has cytotoxcic effect on human gingival fibroblast. The sambiloto extract was made by maceration method using ethanol 96% and certain dilution at 100% performed to obtain concentration 25 %, 12.5%, 6.25%, 3.125%, 1.56%, 2%, 1%, 0.50%, 0.25%. The cytotoxicity being tested on human gingival fibroblast by using MTT assay. The density of optic formazan indicated the number of living cell. Data were analyzed using one-way Anova test and Tukey HSD test with asignificance level of 0.05. The analysis data found significants differences in living cell percentation human gingival fibroblast after exposure of sambiloto extract with various concentration. Conclusions, Sambiloto extract at concentration of 25 % showed cytotoxcic effect toward human gingival fibroblast and at concentration 12.5%, 6.25%, 3.125%, 1.56%, 2%, 1%, 0.50%, 0.25% not showed cytotoxcic effect toward human gingival fibroblast.
Uji Sitotoksisitas Seng Oksida Ekstrak Allium Sativum Linn. terhadap Sel Fibroblas Gingiva Manusia Nisrina Qurrota Aini; Titien Hary Agustantina; Devi Rianti
Jurnal Material Kedokteran Gigi Vol 7 No 2 (2018): JMKG Vol 7 No 2 September 2018
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (344.857 KB) | DOI: 10.32793/jmkg.v7i2.374

Abstract

The use of zinc oxide eugenol in open pulps is controversial because of the cytotoxic effects of eugenol. Previous research has proven that zinc oxide Allium sativum Linn. extract can be an alternative for pulp capping material because it has antibacterial effect. The materials that applied to the oral cavity must be non-cytotoxic and biocompatible, therefore cytotoxicity testing is required of zinc oxide Allium sativum Linn. extract on human gingival fibroblast cell. To determine the cytotoxicity of zinc oxide Allium sativum Linn. extract on human gingival fibroblast cell. Cytotoxicity test of a mixture of zinc oxide with Allium sativum Linn. extract using ratio 1:1 (group A) and 2:1 (group B), zinc oxide eugenol 1:2 (control group C). Each material is exposed to the human gingival fibroblast cells. The cytotoxicity test was tested using an MTT essay test. The density of optic formazan indicated the number of living cell. Cytotoxicity parameters using IC50. Data were analyzed using one-way Anova test and Tukey HSD test. The number of living cells in group A= 40,400 %, group B= 50,613 % and group C= 51,247 %. There was no significant difference between zinc oxide Allium sativum Linn at a ratio of 2:1 (group B) with zinc oxide eugenol 2:1 (group C). Zinc oxide Allium sativum Linn. extract with a ratio 2:1 were not cytotoxic toward human gingival fibroblast cell.
Sitotoksisitas Kombinasi Seng-oksida dan Ekstrak Curcuma longa Terhadap Fibroblas Gingiva Manusia Vina Aprilia; Asti Meizarini; Titien Hary Agustantina
Jurnal Material Kedokteran Gigi Vol 8 No 1 (2019): JMKG Vol 8 No 1 Maret 2019
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32793/jmkg.v8i1.335

Abstract

The use of zinc oxide - eugenol as periodontal dressing is controversial due to the toxic nature of eugenol and Curcuma longa Linn as a safe natural herbal, is expected to replace eugenol function. Previous research has proven that the combination of zinc oxide with Curcuma liquid extract has an antibacterial properties and the use of those as wound dressing through in vivo studies proved to accelerate wound healing. The ingredients applied to the oral cavity must benon-toxic and biocompatible, therefore cytotoxicity testing 1 is required. To determine the cytotoxicity of zinc oxide and Curcuma longa extract combination on human gingival fibroblast cells. Cytotoxicity test of combination of zinc oxide powder with Curcuma liquid extract was done at ratio of 1: 1 (group A) and 2: 1 (group B), Curcuma liquid extract (group C) and zinc oxide powder (group D), which performed on human gingival fibroblast culture-cells (3-5x103 densities) in 96 wells microplate. MTT essay was used to analyzed with IC50 parameters. Statistical analysis using oneway Anova and LSD. The number of living cells in group A = 64.819%, group B = 59.452%, group C = 52.859% and group D = 60.502%. There was no significant difference between the groups of A, B, D but those groups were significantly different to group C. Combination of zinc oxide with Curcuma extract ratio of 1: 1 and 2: 1, zinc oxide powder and Curcuma liquid extract are not toxic to human gingival fibroblast at IC50.
Rasio Bubuk Polisakarida Daun Cincau Hijau dan Bahan Cetak Alginat Terhadap Recovery From Deformation Lina Lina; Titien Hary Agustantina; R Mohammad Yogiartono
Jurnal Material Kedokteran Gigi Vol 1 No 2 (2012): JMKG Vol 1 No 2 September 2012
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Alginate impression material is the most useful material. Nowadays, the material is still be imported that causes the price is relatively expensive and difficult to found in rural area. There were some efforts to modify alginate impression material by mixture Cyclea barbata L. miers leaf polysacharide powder. The impression material must fullfil the criteria of recovery from deformation. Purpose. The aim of this study was to know the ratio of Cyclea barbata L. miers leaf polysacharide powder and alginate impression material that still fullfil the criteria recovery from deformation of impression material according to the ADA. Forty-two samples is divided to six groups of mixture of Cyclea barbata L. miers leaf polysacharide powder in alginate impression material. Group A1 until A6 with the mixture of 0% (control), 40%, 42.5%, 45%, 47.5% and 50%, respectively, Cyclea barbata L. miers leaf polysacharide powder in alginate impression material. Recovery from deformation of the mixture of this impression material measured with recovery from deformation test tool with its 0.01 mm accuracy. There were significant different of Kruskal Wallis test (p<0.05), that interpreted percentage enhancement in Cyclea barbata L. miers leaf polysacharide powder in alginate impression material will increase percentage of recovery from deformation. Increasing of Cyclea barbata L. miers leaf polysacharide powder until 40% into alginate impression material produce recovery from deformation score that can fulfill the ADA criteria
Kebocoran Tepi Restorasi Resin Komposit Setelah Aplikasi Pasta Buah Stroberi Sebagai Bahan Bleaching Evi Veronica Chandra; Sri Yogyarti; Titien Hary Agustantina
Jurnal Material Kedokteran Gigi Vol 1 No 2 (2012): JMKG Vol 1 No 2 September 2012
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (304.999 KB)

Abstract

The influence of strawberry paste as bleaching alternative material toward microleakage of composite resin restoration of the teeth is still unknown so that a research should be conducted. To qualitily assess the effects of bleaching with blended strawberry paste on restorated teeth by performing scoring of microleakage analysis. Four group of sample i.e. group 1: ten restorated teeth soaked in saline for two weeks, group 2 : ten restorated teeth soaked in blended strawberry paste for 5 minutes every 8 hours for two weeks, group 3 : ten restorated teeth soaked in saline for three weeks, group 4 : ten restorated teeth soaked in blended strawberry paste for 5 minutes every 8 hours for three weeks. Each group was stroraged in incubator 37 degrees celcius. Then microleakage was observed with digital microscope. Penetration of methylen blue was scored on a scale of 0 to 4 applied in every sample. The data was analyzed with Kruskal – Wallis Test and Mann – Whitney Test. There was a significant differences of group 1 and group 4, group 2 and group 4, group 3 and group 4. The application of blended strawberry paste in two weeks and three weeks causes microleakage of composite resin restoration while in three weeks the microleakage significantly deeper than two
The Effect of Addition of Bambusa Arundinacea (Retz.) Willd. Fibers to Heat-Cured Acrylic Resin on Impact Strength Elonianty, Chanita; Agustantina, Titien Hary; nirwana, intan
Indonesian Journal of Dental Medicine Vol. 1 No. 2 (2018): Indonesian Journal of Dental Medicine
Publisher : Faculty of Dental Medicine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (398.387 KB) | DOI: 10.20473/ijdm.v1i2.2018.81-85

Abstract

Background: The prevalence of acrylic resin dentures fracture due to accidental drop is relatively high especially when it is being cleaned by patient. The effort to strengthen acrylic resin denture was done by adding Bambusa arundinacea (Retz.) Willd fibers, which was based on previous research. It has been proven that the addition of bamboo fiber to self-cured acrylic resin can increase the tensile strength. It has acceptable tensile properties, relatively low cost, high toughness, and good thermal properties. Purpose: To determine the impact strength of heat-cured acrylic resin after the addition of Bambusa arundinacea (Retz.) Willd. fibers at various lengths and weights. Methods: Bambusa arundinacea (Retz.) Willd. fibers with lengths of 2 mm, 6 mm, 12 mm and weights of 3wt%, 6wt%, 9wt% were added to heat-cured acrylic resin. The impact strength of heat-cured acrylic resin was tested using the Charpy method with mini impact tester KRY type. The test results were calculated using the impact strength formula. The research data were analyzed using one-way anova test and Tukey HSD test. Results: The data analysis showed that there was a significant difference in impact strength of heat-cured acrylic resin after the addition of Bambusa arundinacea (Retz.) Willd fibers. Conclusion: Addition of Bambusa arudinacea (Retz.) Willd. fibers increased the impact strength of heat-cured acrylic resin respective to the increment of length and weight of Bambusa arudinacea (Retz.) Willd. fibers.
Antifungal Activity from Garlic Extract (Allium sativum) Against Candida albicans Growth Agustantina, Titien Hary; Soekartono, R. Helal
Indonesian Journal of Dental Medicine Vol. 4 No. 2 (2021): Indonesian Journal of Dental Medicine
Publisher : Faculty of Dental Medicine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ijdm.v4i2.2021.60-62

Abstract

Background: The accumulation of food waste and plaque causes Candida albicans development, which causes the product of Candida albicans' endotoxin to rise and enter into the mucous membrane, producing inflammation known as denture stomatitis. Many natural ingredients have been transformed into medications, including Allium sativum (garlic), which includes antibacterial allicin components. Purpose: The purpose of this study was to investigate inhibitory activity of A. sativum extract toward C. albicans growth. Methods: The sample used in this investigation was A. sativum extract at various concentrations of 5%, 25%, 50%, and 75%. The sample was separated into five groups: 5%, 25%, 50%, and 75% A. sativum extract, with plain A. sativum extract serving as the control group. Each group has three specimens. One way analysis of variance (ANOVA) and Tukey honest significant different (HSD) were used to evaluate the data (p<0.05). Results: There was significant difference of 5%, 25%, 50%, and 75% A. sativum extract towards C. albicans growth. Conclusion: The highest antifungal activity on Candida albicans growth was found in 75% Allium sativum extract.
Co-Authors Anita Yuliati Asti Meizarini Bahtiar, Muhammad Riza Hafidz Devi Rianti Dian Pertiwi, Nabila Elly Munadziroh Elonianty, Chanita Evi Veronica Chandra Faradillah Hanifah, Faza Aidah Intan Nirwana, Intan Lina Lina Meyranti, Ajeng Putri Moh. Yogiartono Nisrina Qurrota Aini Octarina Purnamasari, Alqomariyah Eka Putri, Rifayinqa Ruyani R Helal Soekartono R Mohammad Yogiartono Razak, Fathilah Abdul Salma, Rizki Fauziah Salsabilla, Noor Zain Soraya Dian Permata Rezky Sri Yogyarti Sugandi Mastia Anugrah Suguh Bhaktiar Pribadi Syahrom, Ardiyansyah Vina Aprilia