Ikhsandarujati, Renanda Rifki
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PROBIOTICS VS. BACTERIA: HOW LACTOBACILLUS CASEI BATTLES STREPTOCOCCUS MUTANS BIOFILM (IN VITRO) Praptiningsih, Rahmawati Sri; Sari, Rina Kartika; Ikhsandarujati, Renanda Rifki; Putranto, Rama
Jurnal Medali Vol 7, No 1 (2025): Media Dental Intelektual February 2025
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/medali.7.1.12-21

Abstract

Background:Caries formation is influenced by several factors such as teeth, microorganisms, biofilm, and also time. The initial bacteria that play an important role in biofilm formation is Streptococcus mutans. Probiotics made from these bacteria are considered capable of overcoming dental and oral health problems because they are able to suppress the biofilm which will coat and protect the mucosa from invasion by cariogenic bacteria such as caries.Purpose:To determine the effect of the probioticLactobacillus casei in reducing Streptococcus mutans biofilm growth (in vitro).Method:The research design carried out was experimental research with a post test only control group design. The research samples were divided into 3 groups, namely the chlorhexidine, distilled water and probiotic groups. Biofilm thickness testing was carried out by OD (Optical density) using an ELISA-reader. Parametric statistical test analysis using the Kruskal Wallis Test.Results:The results of the Kruskal Wallis statistical test showed P= 0.000 there is a significant difference in the 3 Streptococcus mutans thickness test groups.Conclusion:The probioticLactobacillus casei has the effect of reducing the thickness of the Streptococcus mutans biofilm
Edukasi Efek Perilaku Seksual Menyimpang terhadap Manifestasi Rongga Mulut pada Anak Remaja di SMK AL Sya’iriyah Limpung Batang Jawa Tengah Syifa, Liftia Layyinatus; Sari, Rina Kartika; Ikhsandarujati, Renanda Rifki
Jurnal Kreativitas Pengabdian Kepada Masyarakat (PKM) Vol 9, No 1 (2026): Volume 9 Nomor 1 (2026)
Publisher : Universitas Malahayati Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33024/jkpm.v9i1.23665

Abstract

ABSTRAK Infeksi Menular Seksual (IMS) merupakan masalah kesehatan global yang terus meningkat, terutama pada kelompok remaja yang memiliki kerentanan tinggi akibat faktor biologis, sosial, dan perilaku. Rendahnya pengetahuan terkait kesehatan reproduksi dan perilaku seksual berisiko berkontribusi terhadap meningkatnya angka IMS serta keterlambatan dalam deteksi dini, termasuk manifestasi oral yang dapat menjadi indikator awal infeksi. Kegiatan pengabdian masyarakat ini bertujuan untuk mengevaluasi efektivitas edukasi mengenai “Efek Perilaku Seksual Menyimpang terhadap Manifestasi Rongga Mulut pada Anak Remaja” dalam meningkatkan pengetahuan siswa SMK Al Sya’iriyah, Limpung, Batang. Penelitian menggunakan desain kuasi-eksperimental one-group pretest–posttest dengan melibatkan 25 peserta. Instrumen berupa kuesioner pretest dan posttest digunakan untuk mengukur perubahan pemahaman sebelum dan sesudah intervensi. Edukasi diberikan melalui ceramah, diskusi, serta pemaparan materi berbasis bukti mengenai jenis perilaku seksual berisiko, mekanisme penularan IMS, serta gambaran klinis lesi rongga mulut akibat infeksi seperti HIV, sifilis, gonore, dan HPV. Hasil menunjukkan peningkatan skor rata-rata yang signifikan dari 47,5 pada pretest menjadi 98,8 pada posttest, menandakan keberhasilan intervensi dalam meningkatkan pengetahuan siswa secara substansial. Peningkatan tajam ini sejalan dengan temuan berbagai penelitian yang menunjukkan bahwa program edukasi kesehatan reproduksi berbasis sekolah efektif dalam meningkatkan pemahaman dan menurunkan perilaku seksual berisiko pada remaja. Secara keseluruhan, kegiatan ini membuktikan pentingnya edukasi komprehensif dan layanan kesehatan ramah remaja sebagai langkah promotif-preventif untuk mencegah IMS serta mengenali manifestasi oral sejak dini. Program edukasi rutin direkomendasikan untuk diterapkan di sekolah guna memperkuat literasi kesehatan reproduksi dan melindungi remaja dari konsekuensi perilaku seksual berisiko. Kata Kunci: Infeksi Menular Seksual (IMS), Remaja, Perilaku Seksual Berisiko Tinggi, Manifestasi Oral.  ABSTRACT Sexually Transmitted Infections (STIs) pose a significant global health challenge, particularly among adolescents who are vulnerable due to biological, social, and behavioral factors. Limited reproductive health knowledge and engagement in high-risk sexual behaviors contribute to rising STI prevalence and delayed early detection, including oral manifestations that may serve as early clinical indicators. This community engagement program evaluated the effectiveness of educational intervention titled “The Effects of Deviant Sexual Behavior on Oral Manifestations in Adolescents” in improving students knowledge at SMK Al Sya’iriyah, Limpung, Batang. A quasi-experimental one-group pretest–posttest design was implemented involving 25 participants. Knowledge levels were assessed using structured questionnaires administered before-after the intervention. The educational session consisted of lectures, discussions, and evidence-based presentations covering high-risk sexual behaviors, STI transmission mechanisms, and oral clinical features associated with infections such as HIV, syphilis, gonorrhea, and HPV. The results demonstrated a substantial increase in the mean score from 47.5 in the pretest to 98.8 in the posttest, indicating a significant improvement in students’ understanding following the intervention. These findings align with existing evidence that school-based sexual and reproductive health education effectively enhances knowledge and reduces risky sexual behaviors among adolescents. Overall, the program highlights the importance of comprehensive and structured education, along with youth-friendly health services, as essential promotive and preventive strategies to reduce STI risk and support early recognition of oral manifestations. Routine implementation of similar educational programs in schools is recommended to strengthen reproductive health literacy and protect adolescents from the adverse consequences of high-risk sexual behavior. Keywords: Sexually Transmitted Infections, Adolescents, High-Risk Sexual Behavior, Oral Manifestations.