Background: Polyvinyl siloxane has been used by prosthodontists as the impression material for its acceptable dimension stability. Polyvinyl siloxane impression with blood and saliva on it contains bacteria colonization. It has to be disinfected by a disinfectant solution to avoid cross-transmission from patients to the dentist, assistant, and laboratory technician. Nowadays, herbal plant like red fruit (Pandanus conoideus Lam) is utilized as natural disinfection material. Aim: This study examines the effectiveness of length of disinfection on Pandanus conoideus Lam in polyvinyl siloxane impression. Method: Thisstudyinvolved four groups (twenty-four teeth impressions) of participants from the Faculty of Dentistry, Universitas Padjadjaran. The first group was disinfected by Pandanus conoideus Lam’s extract 6% for five minutes, ten minutes for the second group, twelve minutes for the third group, and fifteen minutes for the fourth group. Each impression was swabbed before and after being disinfected, planted in Brain Heart Infusion (BHI)agar as the media, incubated for twenty-four hours, and the results of bacteria colonization were counted. Data analysis was evaluated applying paired-t-test in each impression.Result: There were significant decreases in bacteria colonization numbers between the data before and after the disinfection. The most significant one was found in ten minutes provocation. Conclusion: Disinfection by Pandanus conoideus Lam’s extract 6% is effective within the range of five to ten minutes and also effective to be used as natural disinfection material for polyvinyl siloxane. The most effective length of disinfection is ten minutes.
Prevalence of malocclusion in Indonesia is very high and fixed orthodontic treatment is the best choice for various types of malocclusions. Failure to maintain oral hygiene during orthodontic treatment can damage the tooth tissue and harm the periodontal health. This study aimed to explore the perception, awareness, and practice of medical students in maintaining oral hygiene during fixed orthodontic treatment. This was a descriptive and observational study with a cross sectional design. Respondents were 44 medical students at Udayana University selected by using the random sampling method. Data were analyzed using the SPSS application and presented in single and cross distribution tables. The results showed that of the 44 respondents, the majority were female (88.6%), 19 years old (34.1%), and from general practice department (40.9%). There were 39 respondents (88.6%) with good awareness, and five respondents (11.4%) with fair awareness. Respondents with positive perception were 33 students (75%), and with neutral perception were 11 students (25%). Respondents with good practice were four students (9.1%), with fair practice were 35 students (79.5%), and with poor practice were five students (11.4%). In conclusion, most medical students at Udayana University have good awareness, positive perception, and fair practice. Keywords: perception; awareness; practice; oral hygiene; fixed orthodontic treatment. Abstrak: Prevalensi maloklusi di Indonesia sangat tinggi dan perawatan ortodontik cekat menjadi pilihan terbaik untuk berbagai jenis maloklusi. Kegagalan dalam menjaga oral hygiene selama perawatan ortodontik dapat merusak jaringan gigi dan merusak kesehatan periodontal. Penelitian ini bertujuan untuk mengeksplorasi persepsi, kesadaran, dan praktik mahasiswa kedokteran dalam mempertahankan oral hygiene selama menggunakan ortodontik cekat. Jenis penelitian ialah observasional deskriptif dengan desain potong lintang. Responden penellitian ialah 44 mahasiswa Fakultas Kedokteran Univeritas Udayana, dipilih dengan metode random sampling. Data yang diperoleh dianalisis menggunakan aplikasi SPSS dan disajikan dalam tabel distribusi tunggal dan silang. Hasil penelitian mendapatkan sebagian besar responden berjenis kelamin perempuan (88,6%), berusia 19 tahun (34,1%), dan berasal dari Program Studi Kedokteran Umum (40,9%). Responden dengan kesadaran baik sebanyak 39 mahasiswa (88,6%), dan dengan kesadaran cukup sebanyak lima mahasiswa (11,4%). Responden dengan persepsi positif sebanyak 33 mahasiswa (75%), dan dengan kriteria netral sebanyak 11 mahasiswa (25%). Responden yang melakukan praktik baik sebanyak empat mahasiswa (9,1%), praktik cukup sebanyak 35 mahasiswa (79,5%) dan yang melakukan praktik buruk sebanyak lima mahasiswa (11,4%). Simpulan penelitian ini ialah sebagian besar mahasiswa Fakultas Kedokteran Universitas Udayana memiliki kesadaran yang baik, persepsi yang positif dan praktik yang cukup. Kata kunci: persepsi; kesadaran; praktik; oral hygiene; ortodontik cekat
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