Pengaruh sinamat aldehid minyak kayu manis terhadap kekuatan impak resin akrilik

Background: Acrylic denture can give a new problem to the patients if their oral hygiene and denture hygiene didn’t get a good care. The most common problem is the increasing number of Candida albicans which can cause denture stomatitis. To prevent that problem, the acrylic denture must be cleaned by denture cleanser. The denture cleanser is quite expensive and not everyone can afford to buy it, so traditional substance can be an alternative cleanser. Cinnamaldehyde in cinnamon oil 0,05% is used in this research due to its effectiveness inhibit the growth of C. albicans and its low toxicity to the oral mucosa tissue. Purpose: The study aims is to find how long the acrylic plate can be soaked in the cinnamaldehyde in cinnamon oil 0,05% which have no effect on decreasing the impact strength of acrylic plate. Method: This research was done in experimental laboratory method with after only control group design and using acrylic plates. The sample is divided to six group. Group 1, 2, and 3 acrylic plates was soaked in the aquadest for 4 , 12, and 19 days. Group 4, 5, and 6 acrylic plates was soaked in the cinnamaldehyde cinnamon oil 0,05% for 4, 12, and 19 days. Then impact strength of the samples was tested. Result: There were no significant differences of the impact strength between the acrylic plates soaked in the aquadest for 4,12, and 19 days and in the cinnamaldehyde cinnamon oil 0,05% for 4, 12, and 19 days. Conclusion: Cinnamaldehyde cinnamon oil 0,05% didn’t reduce the impact strength of the acrylic plates