![]() Method: Pictures of teeth, artificial teeth, and acrylic resin base taken before experiment, after stain induction (using 25g of tea in 100ml of 100oC water for 7 days, tea solution replaced every 24 hours), and after brushing. Aim of this study is to determine effectivity of bay leaf (Eugenia polyantha Wight) extract as toothpaste active agent for extrinsic stain removal on teeth and dentures. Commercial extrinsic stain removal toothpastes only indicated for teeth and contain chemical active agent with undesirable effects. ![]() ![]() It also formed on denture and cause negative impacts. Extrinsic stain is the most common aetiology of teeth discoloration, which caused by widely consumed products such as tea, coffee, and tobacco. Background: White teeth colour influence aesthetical appearance which leads to self-confidence and quality of life.
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