Whitening Effect of Manalagi Apple (Malus sylvestris) Extract on Tea-Induced Tooth Discoloration

Introduction: Tooth discoloration is a change in color that occurs on the enamel and dentin surfaces of tooth due to habit drinking tea. Some fruits are used as natural teeth whitening ingredients, such Manalagi Apple (Malus sylvestris), which contains malic acid. Method: This study was an experimental with pre-and post-test control group design involving 27 samples divided into three groups, Control (K), P1, P2. We immersed from groups tea solution for two weeks. After that, P1 50% extract times day one week P2 weeks, while (K) did not get any treatment. analyzed before after immersing extracts utilizing Colorimeter, hunter L, a, b scales. The difference value obtained using formula ⧍E(Lab) = [(L)2+(a)2+(b)2]1/2]. Results: ANOVA test results showed significant differences between sample (p 0.00). Besides, Post-hoc revealed K p-value 0.00 <0.05). It also indicated Conclusions: Color changes occurred Immersing weeks caused whiter compared week.