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A clinical experimental study on tooth whitening effectiveness in toothpaste of containing natural extracts

Yoon Hyun Seo 1,  Kim Hye-Jin 1

1동의대학교

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ABSTRACT

Objectives: Despite a rise of an interest in tooth whitening, diverse problems are being caused in case of hydrogen peroxide that is being used as a tooth bleaching agent. Thus, the aim was to examine tooth whitening effectiveness using natural products as a plan for supplementing this. Methods: As a result of having measured a tooth color through using VITA Easyshade V after having developed toothpaste with the application of extracts such as Citrus Peels, Mulberry (Morus alba L.) Root Bark, strawberry, and lemon, and then having used it for 10 weeks, they are as follows. Both upper and lower 6 anteriors mostly got brighter. Results: A statistically significant difference was shown especially in the right canine (p=0.015), in the right central incisor (p=0.007), and in the left central incisor (p<0.001). In consequence of having measured a color change, the tooth got brighter gradually in the higher extract content and in the lengthier use time. In case of canine, it got less bright compared to other teeth. In the outcome of evaluating sensuality, most of the questions were indicated to be high in case of using a whitening toothpaste for 10 weeks. But in what “there is no stickiness in the mouth, the stickiness was more felt in the use up to 5 weeks, but was improved in 10 weeks. Conclusions: The bleaching effectiveness was proved by developing a toothpaste with the application of natural extracts. A short-term effect cannot be seen like a whitening agent of using hydrogen peroxide. But there is a continuous effect in consideration of tooth-brushing more than 3 times a day.

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