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All Journal Majalah Kedokteran Gigi Indonesia Jurnal Kesehatan Gigi dan Mulut (JKGM)
Fransiska, Aria
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Dentistry Health Professions Medicine & Pharmacology Nursing Public Health

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UJI AKTIVITAS ANTIBAKTERI EKSTRAK BUAH RAMBUSA (Passiflora foetida L.) TERHADAP PERTUMBUHAN BAKTERI Lactobacillus acidophilus ATCC 4356 Fauziah, Raudatul; Fransiska, Aria; Sari, Desy Purnama
Jurnal Kesehatan Gigi dan Mulut (JKGM) Vol 6 No 2 (2024): Jurnal Kesehatan Gigi dan Mulut (JKGM)
Publisher : Jurusan Kesehatan Gigi, Poltekkes Kemenkes Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36086/jkgm.v6i2.2552

Abstract

Latar Belakang: Lactobacillus acidophilus adalah bakteri gram-positif yang bersifat anaerobik fakultatif, asidurik, dan asidogenik yang berperan dalam perkembangan karies sekunder. Karies sekunder dapat terjadi setelah gigi direstorasi karena adanya bakteri yang tertinggal di smear layer saat melakukan preparasi kavitas. Karies sekunder dapat dicegah dengan penggunaan cavity cleanser. Buah rambusa mengandung senyawa antibakteri seperti alkaloid, saponin, tanin, triterpenoid, steroid, dan flavonoid yang berpotensi sebagai cavity cleanser. Metode: Penelitian ini merupakan penelitian eksperimental laboratoris dengan desain penelitian post-test only control group design. Kelompok perlakuan dalam penelitian ini adalah ekstrak buah rambusa dengan konsentrasi 12,5%, 25%, 37,5%, dan 50% serta DMSO 10% sebagai kontrol negatif. Uji daya hambat dilakukan dengan metode difusi cakram Kirby-Bauer dengan media MRS-A. Analisis data hasil penelitian dilakukan dengan menggunakan uji Kruskal Wallis dan dilanjutkan dengan uji Post Hoc Mann-Whitney. Hasil: Rata-rata diameter zona hambat terbesar adalah 5,30 ± 0,83 mm yang dibentuk oleh ekstrak buah rambusa konsentrasi 50%, sedangkan rata-rata diameter zona hambat terkecil dibentuk oleh ekstrak konsentrasi 12,5% dan kontrol negatif sebesar 0 mm. Hasil uji Kruskal Wallis menunjukkan nilai p < 0,05 artinya terdapat perbedaan signifikan antarkelompok perlakuan dan kontrol negatif. Kesimpulan: Terdapat aktivitas daya hambat ekstrak buah rambusa (Passiflora foetida L.) terhadap pertumbuhan bakteri Lactobacillus acidophilus ATCC 4356 dengan zona hambat terbesar dibentuk oleh ekstrak buah rambusa konsentrasi 50%. Kata kunci : anti bakteri; cavity cleanser; karies; Lactobacillus acidophilus; rambusa (Passiflora foetida L.)
The effect of oil palm empty fruit bunch (Elaeis guineensis Jacq.) fiber addition at various volume fractions on the compressive strength of flowable composite resin Abdullah, Heikal Faried; Aulia, Rahmi Khairani; Fransiska, Aria
Majalah Kedokteran Gigi Indonesia Vol 11, No 3 (2025): December
Publisher : Faculty of Dentistry, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/majkedgiind.111004

Abstract

Oil palm empty fruit bunch (OPEFB) fibers have emerged as a promising natural alternative to synthetic fibers due to their mechanical strength and biocompatibility, although research on their use as a reinforcing in composite resin remains limited. This study aimed to evaluate the effect of OPEFB fiber incorporation on the compressive strength of flowable composite resin. A true experimental design with a post-test-only control group was employed. The OPEFB fibers underwent chemical and double silane treatments and were randomly oriented prior to incorporation. Fifteen cylindrical specimens (6 mm × 12 mm) were allocated into three groups based on fiber volume fraction (0%, 1%, and 1.5%). Compressive strength was tested using a universal testing machine following ASTM D-695 standards. Data were analyzed using one-way ANOVA (p < 0.05) followed by a post-hoc Least Significant Difference (LSD) test. The mean compressive strength of flowable composite resins at 0%, 1%, and 1.5% OPEFB fiber volume fractions were 261.99 ± 17.64, 301.20 ± 19.26, 368.52 ± 14.90 MPa. One-way ANOVA test showed that the mean compressive strength in the three groups was significantly different (p < 0.05). The post-hoc LSD test showed significant differences (p < 0.05) among all groups. This study concluded that the incorporation of OPEFB fiber can enhance the compressive strength of flowable composite resin, with the highest reinforcement observed at the 1.5% OPEFB fiber volume fraction.
Effect of immersion in effervescent granules of watermelon rind (Citrullus lanatus) extract on the surface roughness of artificial teeth Fransiska, Aria; Sabilla, Alifia; Sari, Desy Purnama; Putri, Fidya Meditia
Majalah Kedokteran Gigi Indonesia Vol 11, No 3 (2025): December
Publisher : Faculty of Dentistry, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/majkedgiind.112104

Abstract

Artificial teeth elements are essential components of removable dentures. Inadequate cleaning can lead to the accumulation of microorganisms, which may cause denture stomatitis. Alkaline peroxide effervescent tablets are commonly used denture cleansers. However, prolonged use may increase the surface roughness of artificial teeth. To address this, an alternative natural-based cleanser has been formulated using red watermelon (Citrullus lanatus) rind extract in effervescent granule form. Effervescent granules of watermelon rind extract have potential as an alternative denture cleanser due to their antibacterial properties. The effervescent reaction helps mechanically remove plaque and debris while inhibiting the growth of microorganisms that cause odor and infection. This formulation is practical, natural, and economical. The study aims to evaluate the effect of immersion in effervescent granules containing watermelon rind extract on the surface roughness of artificial teeth. This was a laboratory experimental study using acrylic resin-based artificial teeth. Samples were divided into three treatment groups: aquadest, alkaline peroxide effervescent solution, and watermelon rind effervescent granule solution (n = 5). Surface roughness was measured using a Surface Roughness Tester, and data were analyzed with the Kruskal–Wallis test (p < 0.05). The mean surface roughness values after immersion in aquadest, alkaline peroxide solution, and watermelon rind effervescent granules were 0.140 ± 0.026 µm, 0.616 ± 0.213 µm, and 0.670 ± 0.041 µm, respectively. The findings demonstrate that immersion in effervescent granules containing watermelon rind extract significantly increases the surface roughness of artificial teeth. Further formulation development is recommended to optimize its potential as a natural denture cleanser.
Co-Authors Abdullah, Heikal Faried Aulia, Rahmi Khairani Desy Purnama Sari Fauziah, Raudatul Fidya Meditia Putri, Fidya Meditia Sabilla, Alifia