HERNY DIAN MEDITYA, 020911012 (2012) PENYEMPROTAN SEDUHAN SERBUK BUNGA ROSELLA (Hibiscus sabdariffa L.) SEBAGAI DESINFEKTAN TERHADAP MIKROORGANISME RONGGA MULUT PADA CETAKAN ALGINAT. Skripsi thesis, UNIVERSITAS AIRLANGGA.

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Abstract

Background. Dental impressions often carry microorganisms that may cause cross infection from patients to dental staff. Alginate is the impression material that most frequently used by dentists. This material that contaminated by saliva and blood potentially could cause cross contamination. To prevent this, the impression have to be disinfected by disinfectant such as steeping rosella flower powder. Rosella flower was found to contain flavonoids and alkaloids which is a phenol group that act as antibacterial. Purpose. The purpose of this study is to find out the most effective concentration of the steeping rosella flower powder as disinfectant to decreasing microorganism colony in the alginate impression. Material and method. Twenty eight sample have been taken from 7 responden. This alginate impression devided into 4 groups : group 1 sprayed by sterile aquades (as control), group 2 sprayed with steeping rosella flower powder 15% for 30 second, group 3 sprayed with steeping rosella flower powder 25% for 30 second, group 4 sprayed with steeping rosella flower powder 35% for 30 second. The microorganism colony was counted using colony counter (cfu/ml). Kolmogorov-Smirnov Test to knows normal distribution, then levene test and anova one way test for further analyze. Result. There is significant differencies between each group, p = 0,00 (p<0,05). Conclusion. Usage of 15% concentration of steeping rosella flower powder as a disinfectant is already effective to decrease microorganism colony in the alginate impression.

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