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Ika Astrina
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Dentistry

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Potential Antibacterial of Binahong Leaf Extract Against Bacteria Enterococcus faecalis ATCC® 29212™ (in vitro): Potensi Antibakteri Ekstrak Daun Binahong Terhadap Bakteri Enterococcus faecalis ATCC® 29212™ (in vitro) Nasution, Minasari; Ameta Primasari; Ika Astrina; Siregar, Arfi Luthfiyah
Dentika: Dental Journal Vol. 25 No. 1 (2022): Dentika Dental Journal
Publisher : TALENTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/dentika.v25i1.7800

Abstract

  Binahong is a plant widely found in Indonesia and has been used for generations, but only by inheritance without much optimal research. Enterococcus faecalis is bacteria that cause many problems in the oral cavity such as periradicular lesion. The purpose of this study was to determine the zone of inhibition, Minimum Bactericidal Concentration (MBC), and Minimum Inhibitory Concentration (MIC) of Binahong leaf extract against bacteria Enterococcus faecalis ATCC® 29212TM concentrations of 100%, 90%, 80%, 70%, and 60%, chlorhexidine 0,2% as positive control and DMSO as a negative control. The experimental method used for the research with a post-test only control group design, pure bacteria prepared in the microbiology laboratory, and Binahong leaf extract used in the chemical laboratory of the Faculty of Mathematics and Natural Sciences (FMIPA) at the University of North Sumatera. Five treatments of Binahong leaf extract concentration were tested as samples four times. MBC and MIC measurements of Binahong leaf extract against Enterococcus faecalis ATCC® 29212TM were exchanged for each concentration. Mueller Hinton Agar (MHA) and Nutrient Broth incubated for 24 hours at 37°C. The ANOVA test data is analysed, followed by the Post Hoc test. The average inhibition zone of 100% concentration was 14.19 mm, 90% was 12.25 mm, 80% was (10.19 mm), 70% was 8.81 mm, 60% was 0.00 mm, chlorhexidine 0,2% was 20.88 mm, and DMSO was 0.00 m). The conclusion is that the best inhibition zone has a concentration of 100%, MBC was at 100%, and MIC was at 60%.
Differences in Fractal Analysis Values for Batak Tribe based on Age Groups in terms of Panoramic Radiograph: - Maria Novita Helen Sitanggang; Ervina Sofyanti; Ika Astrina; Lisna FN
Dentika: Dental Journal Vol. 28 No. 1 (2025): Dentika: Dental Journal
Publisher : TALENTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/dentika.v28i1.19769

Abstract

Mandibular growth and development are often used as indicators of age.  Dentists perform fractal analysis using panoramic radiographs to assess mandibular bone density during its growth and development. Therefore, this study aimed to determine the differences in the mean of fractal analysis values of individuals from the Batak Tribe using a panoramic radiograph. The method used was a cross-sectional design comprising 120 panoramic radiographs. Based on age category, the radiographs were divided equally into Groups 1 (ages 6-12 years), 2 (13-18 years), 3 (19-24 years), 4 (25-35 years), 5 (36-45 years) and 6 (45-60 years). ImageJ software was used to measure density, and data analysis was performed using one-way ANOVA and LSD statistical tests. The highest to lowest mean of right and left fractal analysis values were observed in groups 4, 5, 3, 6, 2, and 1, respectively. The results showed significant differences in fractal analysis value across age groups within the Batak Tribe based on panoramic radiograph assessments.
Chinese Petai Leaf Extract Gel (Leucaena glauca, Benth) decreasing neutrophil number in gingival inflammation animal model of Wistar Rats Ika Astrina; Maria Novita Helen Sitanggang; Luthfiani; Febby Revita Sari; Nadiah Awliya Rahmah
Dentika: Dental Journal Vol. 28 No. 1 (2025): Dentika: Dental Journal
Publisher : TALENTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/dentika.v28i1.20119

Abstract

When damage signals occur, neutrophils are the first cells to migrate from blood vessels as a natural response of the body. However, in chronic inflammation, neutrophils contribute to tissue injury and potentiate the immune response. This study aimed to determine the number of neutrophil cells in gingiva of rats induced with inflammation after the administration of Chinese petai leaf extract gel. The study was conducted using  true experiment with a posttest-only controlled group design in vivo. Male Wistar rats were induced with Porphyromonas gingivalis ATCC®33277TM bacteria on the cervical gingiva and kept for 4x24 hours until inflammation occurred. Inflammed gingiva in rats was treated in several groups, including gel containing Chinese petai leaf extract of 6 and 15%, Gengigel®, and distilled water. On days 3 and 5, a dissection of each treatment group was conducted to determine the number of neutrophil cells in rats using an Olympus CX31 microscope at 400x magnification. One-way ANOVA analysis revealed that the 15% concentration significantly reduced the neutrophil count on days 3 and 5 (p ≤ 0.05). In conclusion, Chinese petai leaf extract gel 15% reduced the number of neutrophils in rats with gingivitis on days 3 and 5. This signified a normal transition from the inflammatory phase, which was considered beneficial for rapid wound healing. Future research is necessary to explore the content of Chinese petai leaves at different concentrations.
Co-Authors Ameta Primasari Ervina Sofyanti Febby Revita Sari Lisna FN Luthfiani Maria Novita Helen Sitanggang Minasari Nasution Nadiah Awliya Rahmah Siregar, Arfi Luthfiyah