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Introduction: Sterile gauze is one of dispossable medical tools commonly used in healthcare facilities. The sterility of gauze can be affected by several factors including packaging technique. Objective: to determine the sterility of gauze packed in one layer and three layer of parchment paper. Methods: a quasi-experimental design. The sample were 60 gauzes packed in one layer parchment paper and 60 gauze packed in three layers of parchment paper stored in the ER RSND. The sterility of gauze tested were assessed at week 0, 2, and 4. The differences between groups were analyzed using Chi-square test at 95% confidence intervals. Results: There was no significant difference in sterility among gauzes packed in one layer of parchment paper between week 0, 1,4 (p = 0.126). There was no significant difference in sterility among gauzes packed in 3 layers of parchment paper between week 0, 1,4 weeks (p = 0.675). There was a significant difference in sterility between gauze packed in 1 and 3 perchment paper (p = 0.002). Conclusions: There was a significant difference in sterility of gauze packed in 1 parchment paper 1 layer and 3 layers based on growth of microorganisms. The gauze packed in one layer of parchment paper is more sterile than that of in three layers. [ABSTRACT FROM AUTHOR]

Background and Aims: According to the research background and need to print CBCT images in case of emergency, this study has been done to compare the quality and accuracy of the two methods of film and paper printing for CBCT images. Materials and Methods: The study of CBCT images taken from 5 patients was done and the cross-sectional slices on Fotolusio DNP papers and film AGFA were printed. Afterward, the images was exmined by a maxillofacial radiologist. The images' quality were identified and recorded with anatomical, from 1 to 4 on forms. The accuracy was determined by the diagnosis of alveolar canal area and the comparison with the gold standard. Data were analyzed using independent chi-square and Fisher exact tests'. Results: The images quality in anatomical landmarks consisting PDL (P=0.02), lamina dura (P=0.006), the inferior alveolar canal (P=0.01) and the filling (P=0.006) had a significant difference. There was no significant difference. For the lower border of the mandible landmark, there was no difference between the two methods of printing. In comparing the diagnostic accuracy between the two methods (P=1). Conclusion: The results showed that the diagnostic quality in film printing is better than paper printing and the diagnostic accuracy is the same in both methods. [ABSTRACT FROM AUTHOR]