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All Journal Indonesian Journal of Dentistry
Etny Dyah Harniati
Universitas Muhammadiyah Semarang
Dentistry Medicine & Pharmacology Public Health

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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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (495.411 KB) | DOI: 10.26714/ijd.v1i1.6812

Abstract

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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (478.088 KB) | DOI: 10.26714/ijd.v1i1.6861

Abstract

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.
Co-Authors Rini Dharmastiti Risyandi Anwar Suaeni Kurnia Wirda Widjijono Widjijono