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ObjectivesThe aim of this study was to compare the effects of four different mouthrinse containing propolis solutions and mouthrinse containing 0.2% chlorhexidine (CHX) on oral microorganisms and human gingival fibroblasts.MethodsFour different solutions of propolis were prepared and propylene glycol and alcohol were used as solvents for each propolis sample. Mouthrinse containing propolis was prepared at four different concentrations as 10%, 5%, 2.5% and 1%. Besides, CHX was used as control group. The antibacterial effects of five solutions on oral microorganisms were tested and their cytotoxic effects on human gingival fibroblasts were evaluated by agar diffusion test.ResultsAt this concentrations effectiveness of mouthrinse containing propolis samples on oral microorganisms were not found as effective as CHX. On the contrary, samples found less cytotoxic on human gingival fibroblasts than CHX.ConclusionsStandardized preparations of propolis can be used as a mouthrinse at appropriate concentrations. To obtain a standardized chemical composition, advanced researches are needed.

Aim:The purpose of this article is to describe a rare case of an epidermoid cyst in the buccal cheek region and a review of the literature.Background: Dermoid and epidermoid cysts are developmental pathologies occurring in the head and neck region with an incidence ranging from 1.6% to 6.9%, and both cysts reported in less than 0.01% of all oral cavity cysts. Report:A rare case of an epidermoid cyst originating from the buccal mucosa in a 38-year-old woman with a complaint of swelling and facial asymmetry in the left cheek just distal to the commissure for six months is presented in this report.

The findings of this study provide morphologic and histologic evidence that propolis, when administered systemically, prevents alveolar bone loss in the rat model.