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Lama Perendaman Asam Askorbat Buah Alpukat (Persea americana Mill.) dalam Meningkatkan Warna Gigi Propana Fema Pamungkas; Etny Dyah Harniati; Lira Wiet Jayanti
Jurnal Material Kedokteran Gigi Vol 9 No 1 (2020): JMKG Vol 9 No 1 Maret 2020
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32793/jmkg.v9i1.410

Tooth color is one of the factors that influence self confidence and appearance. Chemicals ingredient in whitening teeth can cause negative effects such as reduced enamel hardness, sensitive teeth and irritation of the oral mucosa. Avocados contain ascorbic acid which can be used as an alternative ingredient to whiten teeth. Objective, to determine the effectiveness of ascorbic acid in avocado (Persea americana Mill.) 100% concentration in improving tooth color with a difference of 2, 3 and 4 days immersion time in vitro. This research is a type of experimental laboratory research with pre-test-post-only control group design. The 24 post extraction premolars were used as samples immersion in tea solution for 6 days and replaced every 2 days to make discoloration. Samples were divided into 4 groups, immersion of the sample in 100% ascorbic acid within 2, 3 and 4 days, and the control group immersed in sterile aquades. Tooth color measurements before and after immersion with a spectrophotometer. One Way ANOVA test results (p <0.05) showed a significant difference between treatment groups. Post-Hoc test results can be concluded that the 2 day immersion is the most effective in improving the color of teeth with a mean rank is 39.47. From the results showed that the comparison of 2 day immersion group was the most effective for increase the color of teeth than 3 day and 4 day immersion groups.

Pengaruh Produk Minuman Asam Jawa (Tamarindus indica) terhadap Kekerasan Permukaan Resin Komposit Haura Hafizhah Zain; Etny Dyah Harniati
Jurnal Material Kedokteran Gigi Vol 9 No 2 (2020): JMKG Vol 9 No 2 September 2020
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32793/jmkg.v9i2.414

Resin composite is commonly used in dental material filling which has primacy physical and mechanical properties. Nonohybrid composite is the latest advancement in resin composite has been the use of nanotechnology in development fillers. The properties that have an essensial role is surface hardness of resin composite which directly contact with saliva, food and drink. The aim of this research was to determine the effect of tamarind beverages (Tamarindus indica) on surface hardness of nanohybrid resin composite. The methods used in this research is post test with control group design. Samples were made using the mold with diameter 15mm and thickness 2mm (n=32). Filtek Z250xt shades A3 was used in this research. Samples were divided into four groups, aquadest (group I), tamarind beverage 2% (group II), 6% (group III), and 15% (group IV), then immersed for 14 minutes in an incubator with temperature 37°C. Samples were measured using Vickers Hardness Tester. The data were analyzed using One Way ANOVA. The results of surface hardness’s means, group I (87,65±7,47 VHN), group II (84,73±3,81 VHN), group III (83,95±4,79 VHN), and group IV (81,85±4,04 VHN). The results of data analysis showed that data is distributed normally and homogen (p>0,05), even though parametric test showed significant’s value is p=0,194 (p<0,05). Immersed tamarind beverages is not significantly reduced the surface hardness of nanohybrid resin composite.

Efektivitas Asam Askorbat Buah Alpukat (Persea americana Mill.) Terhadap Pemutihan Gigi Wika Putri Rizkiah; Etny Dyah Harniati; Lira Wiet Jayanti
Jurnal Material Kedokteran Gigi Vol 10 No 1 (2021): JMKG Vol 10 No 1 Maret 2021
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32793/jmkg.v10i1.411

Teeth discoloration has been complained by most of Indonesians. A treatment of teeth discoloration can be overcome by using a bleaching treatment. Bleaching itself, can be done using a natural ingredients, for instance avocado (Persea americana Mill.),which contained an ascorbic acid for a dental bleaching. The aim of this study is to find out the effectiveness of avocado with concentrations of 30%, 70%, and 100% on a teeth bleaching. It is a laboratory experimental research using a pretest-posttest control group design. The sample used are 24 post-extraction of premolar teeth, and ascorbic acid which was taken from the avocado by an isolation method. The teeth soaked in a black tea for 6 days and replaced every 2 days, then soaked with ascorbic acid in the avocado extract 30%, 70%, 100%, and control aquades for 3 days.The degree of teeth color was measured by using a spectrophotometer. The data analysis used a discrimination test with One Way Anova and further discrimination test with Pos Hoc Anova. The results of discrimination test with One Way Anova showed the significant value was 0,019 (p<0,05), which means there was difference colour between before and after the soaking teeth treatment using the ascorbic acid in avocado with concentrations of 30%, 70%, and 100%. Based on Pos Hoc Anova test, showed that 30% and 100% concentrations of ascorbic acid is more effective than the aquades. As the 100% concentration of ascorbic acid showed a demineralization. Therefore the 30% concentration of ascorbic acid is the most effective. The ascorbic acid in avocado extract (Persea americana Mill.) with 30%, 70%, dan 100% concentrations is effective for a dental bleaching.

Effectiveness of Adding Home Bleaching Time With 10% Carbamide Peroxide : Literature Review Ryan Mahardiansyah; Etny Dyah Harniati; Ismaya Aria Sari
Journal Research of Social Science, Economics, and Management Vol. 1 No. 11 (2022): Journal Research of Social Science, Economics, and Management
Publisher : Publikasi Indonesia

Changes in the color of teeth to become darker are a lot of complaints by the public. Bleaching is a whitening treatment for teeth that have changed color. Home bleaching is a bleaching that can be done at home under the supervision of a dentist using 10% carbamide peroxide for a period of more than 2 weeks. The purpose of this study was to determine the effectiveness of 10% carbamide peroxide as a home bleaching agent with an extended period of time against tooth discoloration. This type of research is Literature Review using Google Scholar, Web of Science, and Pubmed using keywords that have been carried out, obtaining 9 articles that match the research criteria. The results showed that 10% carbamide peroxide with an application of more than 2 weeks gave effective and stable results, but the effect was also greater. The use of 10% carbamide peroxide as a home bleaching agent with an additional effective time for discoloration was seen based on a literature review

Penyerapan Air Glass Fiber Non Dental – Fiber Reinforced Composite dalam Larutan Mouthwash Etny Dyah Harniati; Widjijono Widjijono; Budiono Budiono
Jurnal Material Kedokteran Gigi Vol 10 No 2 (2021): JMKG Vol 10 No 2 September 2021
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32793/jmkg.v10i2.452

Fiber reinforced composite (FRC) is widely used to replace porcelain fused to metal (PFM) for patients who have lost teeth. Fiber reinforced composite is resin matrix protheses with fiber reinforced to get optimal strength. Glass fiber dental is often used because it does not require complex preparations, not sensitive to chemicals and moisture, but it has an expensive price for Indonesian people and limited availability. An alternative material such as glass fiber non dental can used. Mouthwash is used as an antiseptic and anti-plaque material on the oral cavity. Mouthwah can affect of water sorption of FRC. The aim of this study is to know effect of mouthwash on the absorption of water in non dental glass fiber - reinforced FRC. Sixty specimens divided into four groups (n=4), 2 groups with glass fiber dental soaked on the bisguanida and aquades, 2 groups with glass fiber non dental soaked on the bisguanida and quaternary ammonium. The data analyzed with Anova. Anova test showed that there is an influence of mouthwash bisguanide and quartenary ammonium compounds on the value of absorption of glass fiber reinforced composite water (p<0,05). Water sorption of FRC in bisguanide mouthwash is higher than quartenary ammonium compounds.

Perbandingan Aktivitas Antibakteri Ekstrak Etil Asetat Daun Rasamala (Altingia excelsa noronha) dan Bahan Pengisi 3 Mix terhadap Enterococcus faecalis Risyandi Anwar; Suaeni Kurnia Wirda; Etny Dyah Harniati
Indonesian Journal of Dentistry Vol 1, No 1 (2021): February 2021
Publisher : Universitas Muhammadiyah Semarang

Introduction : Lesion Sterilization and Tissue Repair (LSTR-3MIX) are new paradigm in caries care with or without involving pulp and periapical by using combination of three antibiotics. Bacteria that cause endodontic or root canal infection are dominated by Enterococcus faecalis, which is facultative anaerobic gram-positive bacteria and the bacteria are resistant against antimicrobial substance and often found in failed endodontic treatment. LSTR method is an effort that disinfects pulp lesions by killing the bacteria through using three antibiotics, which are metronidazole, ciprofloxacin, and minocyline. The use of several kinds of antibiotics can trigger the resistance of bacteria. However, it is needed an alternative of new antibiotic finding by using natural antibacterial herbal medicine as filler substance for endodontic that has antibacterial ability as balanced as 3MIX antibiotic pasta. Purpose : This research aimed at knowing the difference of antibacterial effect between rasamala leaf extract against E. faecalis bacteria that was compared with 3MIX antibiotic pasta. Method : The method used in this research was laboratory experiment by utilizing post test only control group design. This research was consisted of 6 treatment groups of rasamala leaf extract with concentration of 20%, 10%, 5%, 2,5%, 1,25%, and 1 control group of 3MIX antibiotic pasta. Result : 3MIX antibiotic was more effective in inhibiting the growth of bacteria rather than rasamala leaf extract in inhibiting the growth of Enterococcus faecalis. Conclusion : ethyl acetate from rasamala leaf extract was not more effective than 3MIX antibiotic in inhibiting the growth of Enterococcus faecalis.

Orientation and Type of Non-dental Glass Fiber Towards The Flexural of Fiber Reinforced Composite Etny Dyah Harniati; Widjijono Widjijono; Rini Dharmastiti
Indonesian Journal of Dentistry Vol 1, No 1 (2021): February 2021
Publisher : Universitas Muhammadiyah Semarang

Introduction : Non-dental glass fiber can used as alternative dental glass fiber. Flexural strength to withstand masticatory loads that influenced by various factors, including the orientation and type of fiber used. Purpose : The purpose of this study was to see the effect of orientation and type of non-dental glass fiber on flexural strength. Method : The research method used FRC samples measuring 65 x 10 x 2,5 mm which were reinforced with non-dental glass fiber mats, roving, woven roving, and dental glass fiber roving. Non-dental glass fiber mats and woven roving was cut according to the length and width of the sample, while the non-dental glass fiber roving was weighed according to the weigh tof 4 sheets of dental glass fiber roving to meet the sample mold zone. Result : Glass fiber placed in the tension position in the sample mold. The flexural strength was tested using universal testing machine. This study indicate that the type of glass fiber doesn’t have a significant effect on the flexural strength of FRC with reinforced non dental glass fiber and dental glass fiber. Conclusion : The orientation of non-dental glass fiber roving as reinforcement of FRC has greater flexural strength than non-dental glass fiber with mats and woven roving orientation.

Pengaruh pH Asam Terhadap Kekuatan Mekanik Fiber E-Glass: Systematic Review Lukman Sikha Prasetyo; Etny Dyah Harniati; Budiono Budiono
Indonesian Journal of Dentistry Vol 2, No 2 (2022): August 2022
Publisher : Universitas Muhammadiyah Semarang

Background: Dental fibers were first introduced by Smith (1960) which are used in various fields of dentistry. Dental fibers are classified into two categories, natural and synthetic. Glass fiber that is often used in dentistry is E-glass fiber because of its resistance to chemical reactions, has good aesthetic properties, has almost the same mechanical properties as dentin and is biocompatible. In the oral cavity, acidic conditions occur due to consumption of food and beverages containing acid. Acidic conditions in the oral cavity can affect the mechanical properties of the composite resin. Factors that affect the mechanical properties of fiber reinforced composite are the properties of the composite material and fiber used, fiber quantity, fiber position, fiber direction, fiber adhesion to the composite matrix. To determine and study the effect of acidic pH on the mechanical strength of e-glass fibers. Method: This type of research is a literature review using a systematic review approach.Result: The decrease in compressive strength and resistance was influenced by structural disturbances and loss of most components due to acid exposure. The decrease in the tensile strength of the glass fiber increases the time associated with immersion of the fiber surface which can interfere with the continuity of the e-glass network. Acidic drinks, carbonated drinks, and alcohol can produce erosion on the surface of the composite resin. The longer the immersion, the more solution particles that enter the resin microporosity space and reduce the strength of the composite resin.Conclusion: The mechanical strength of e-glass fiber will decrease with the length of exposure to acid. Types of acids that can affect the decline in mechanical strength are strong acids such as hydrochloric acid (HCl), sulfuric acid (H2SO4), nitric acid (HNO3), and phosphoric acid (H3PO4).

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