International Journal of Academic Health and Medical Research (IJAHMR)   Year: 2018 | Volume: 2 | Issue: 7 | Page No.: 1-12 The Effect of Some Natural Products on Disinfection and Some Physical Properties of Modeling Wax Rana Rabee Al-Sumaidae, Nadira A. Hatim Abstract: Abstract: Aims: evaluating some natural products (soda+ vinegar, soda +thymol , saturated salt solution) in relation to commercial denture cleansers(protifex), for disinfection of modeling wax from C. albicans, Streptococcus mutans, and Staphylococcus aureous and evaluate their effect on some physical properties of wax ( dimensional accuracy, water sorption and color changes). Methods: The total number of samples were three hundred and fifteen (225 sample for the physical tests (dimensional accuracy test ,water sorption test and color changes), and microbiological tests :90 sample (C. albicans, Streptococcus mutans, and Staphylococcus aureous in an invitro study). Results: All the tested denture cleansers were accepted in the applied tests for modeling wax , except for soda+ thymol that show significant difference from the control in water sorption of modeling wax immersed for 1/2 hour and 8hours daily for one month ,and that the proper disinfection of the modeling wax require 8 hours of immersion in the prepared disinfectant solutions. Saturated salt solution was the best disinfectant, by having broad spectrum antibacterial and antifungal action, and it was the safest effect among all other solutions on modeling wax. Soda + vinegar and Soda + thymol were accepted in all tests of this study, and were the best prepared disinfectant of modeling wax from S. aureus when used for 8 hours. Conclusions :For the disinfection of modeling wax , all the prepared natural denture cleansers were effective and safe , except for soda +thymol which decrease water sorption of modeling wax , and the best and safest one was saturated salt solution.