Aggregatibacter actinomycetemcomitans positif ditemukan pada plak penyebab utama penyakit periodontal. Jahe merah merupakan salah satu tanaman obat tradisional mengandung minyak atsiri, oleoresin, flavonoid, polifenol dan saponin. Senyawa minyak atsiri, oleoresin, flavonoid dan saponin yang berfungsi sebagai bahan antibakteri. Tujuan penelitian ini untuk mengetahui efektifitas perasan jahe merah terhadap daya hambat bakteri Aggregatibacter actinomycetemcomitans. Penelitian ini menggunakan metode true experiment. Rancangan penelitian ini adalah Post test only control group design. Subjek penelitian ini menggunakan bakteri Aggregatibacter actinomycetemcomitans. Penelitian dilakukan dengan menggunakan konsentrasi 25%, 50%, 75% dan 100% serta kelompok kontrol Natrium fisiologis 0,9 %. Pengujian dalam percobaan ini dilakukan 3x pengulangan, untuk melihat besarnya daya hambat dengan mengukur besarnya oligodinamik menggunakan jangka sorong. Analisa data yang digunakan deskriptif kuantitatif dan uji statistik Anova. Hasil penelitian menunjukkan bahwa konsentrasi perasan jahe merah 25%, 50%, 75% dan 100% masing-masing daya hambatnya terhadap bakteri Aggregatibacter actinomycetemcomitans yaitu 11,1 mm, 13,4 mm, 13,8 mm dan 14,6 mm. Hasil uji statistik Anova menunjukkan perbedaan daya hambat tersebut signifikan dengan p value < 0.05. Kesimpulan penelitian yaitu semakin tinggi konsentrasi perasan jahe merah (Zingiber officinale var. Rubrum) semakin efektif daya hambatnya terhadap pertumbuhan bakteri Aggregatibacter actinomycetemcomitans. Ada perbedaan efektivitas perasan jahe merah pada konsentrasi 25%, 50%, 75% dan 100% terhadap daya hambat bakteri Aggregatibacter actinomycetemcomitans (p < 0.05).

Behavior has an important role to influence oral hygiene status. An important component in behavior is knowledge, attitudes and actions. The residents of Samin Surosentiko Blora Regency have a characteristic ignoring the appearance and cleanliness of themselves and the surrounding environment. The results of the OHI-S examination of 50 people from Samin Surosentiko in Blimbing Hamlet, Sambongrejo Village, Sambong District, Blora Regency, found to have 30 people (60%) who had OHI-S status with poor criteria accompanied by tooth and mouth problems. The purpose of this study was to determine the effect of behavior (knowledge, attitudes, and actions) on the maintenance of teeth and mouth on oral hygiene status (OHI-S) of Samin Surosentiko Residents in Blora Regency. Type of research used was descriptive analytic. Research design was survey with a cross sectional approach. The population in this study were residents of Samin Surosentiko in Blimbing Hamlet, Sambongrejo Village, Sambong Subdistrict, Blora Regency aged 20-36 years and had a set of 180 teeth. Samples were taken by random sampling of 20% of the population of 36 people. Descriptive data analysed by cross tab and statistically using Chi Square Test. Results showed that the majority of respondents had oral health maintenance behaviors in poor criteria with a bad OHI-S status (41.7%). The Chi Square Test results showed that there was an effect on oral health maintenance behavior on OHI-S status (p = 0.000). Conclusion of the study was that there was an effect of oral health maintenance behavior on OHI-S status in Samin Surosentiko residents in Blora Regency (p = 0.000), where the attitude component is the most influential (p = 0.000).

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Special Needs Children in SLB Anugerah, Colomadu, Karanganyar, Central Java, are still difficult to practice how to brush teeth correctly and still lack of understanding of oral health, so that the hygiene and dental health status and mouth are still lacking. Therefore it is necessary to fix it. The purpose of this activity is to carry out one component of the Higher Education Tri Dharma that is community service. The benefits of this service are for special needs students to increase their knowledge about oral health and improve their skills in brushing their teeth properly. The dedication method is a lecture on how to maintain dental and oral health as well as the practice of brushing teeth along with the target audience, all Special Needs Children in SLB Anugerah, Colomadu, Karanganyar. A total of 52 people were present. The results of the dedication showed that 42.3% of the targets were able to practice brushing teeth with enough categories and 57.7% were still in the poor category. Meanwhile, no one has been categorized as good. The conclusion of this dedication is, the practice of brushing Special Needs Children teeth in SLB Colomadu, Karanganyar is still in the category of sufficient and insufficient so that it is necessary to follow up this service activity by involving parents at home in monitoring the maintenance of dental and oral health of Special Needs Children.