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[Pendahuluan: Retainer merupakan alat ortodonti yang bertujuan untuk menjagastabilitas paska perawatan ortodonti aktif. Retainer thermoplastic sudah banyakdigunakan pada saat ini. Pemeliharaan retainer penting untuk menjaga kesehatanrongga mulut. Tujuan: Penelitian ini bertujuan untuk membandingkan efektifitaspenggunaan dua bahan disinfektan sebagai bahan disinfeksi retainer thermoplastic(merek Essix) yang ditinjau dari hitung koloni bakteri gram positif (Streptococcusmutans). Bahan dan cara: Pada penelitian ini digunakan sebanyak 35 retaineryang terbagi menjadi 3 kelompok perendaman, yakni kelompok kontrol(aquadest) sebanyak 12 retainer, kelompok perendaman obat kumur berbahandasar Chlorhexidine 1% sebanyak 12 retainer dan kelompok bahan perendamretainer sebanyak 11 retainer. Retainer dipakai selama 15 hari. Dilakukan hitungkoloni bakteri sebelum dan sesudah perendaman. Hasil: Penelitianmemperlihatkan terdapat perbedaan bermakna hitung koloni bakteri gram positif(streptococcus mutans) antara retainer yang direndam dengan bahan disinfektandan tanpa bahan disinfektan. Kedua disinfektan sama efektifnya dalammenurunkan hitung koloni bakteri gram positif pada retainer thermoplastic.Kesimpulan: Penggunaan bahan disinfektan terbukti efektif menurunkan hitungkoloni bakteri gram positif pada retainer thermoplastic., Introduction: Retainer is an orthodontic appliance which applied to maintainstability the post- active treatment of orthodontic. Recently, thermoplastic retainerhas been widely used. It is important to have retainer maintenance so that a goodoral hygiene can be achieved. Objective: The purpose of this study was tocompare the efficacy of two disinfectans used as disinfection material forthermoplastic retainer measured by gram positive bacterial colony unit count,especially streptoccus mutans strain. Materials and method: There were 35thermoplastic retainers used in this study which were divided into three soakinggroups ; 12 retainers in control group, 12 retainers in mouthwash group whichcontain Chlorhexidine 0,1% and 11 retainers in denture cleanser tablet group. Theretainers were worn for 15 days. The gram positive bacteria were counted at twoperiods of time which were before and after the retainers were soaked. Results:This study showed that there were significant difference at bacterial colony countbetween the retainers which were soaked in disinfectant group and nondisinfectant group (control group). Both disinfectants could reduce gram positivebacterial count at thermoplastic retainers. Conclusions: The use of disinfectionmaterial had proven effective in reducing gram positive bacterial count forthermoplastic retainer.] |
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