Green Tea is one of the most ancient and popular therapeutic beverages consumed around the world. This product is made from the leaf of the plant called “Camellia sinensis”. It can be prepared as a drink, which can have many systemic health effects or an “extract” can be made from the leaves to use as medicine. Green tea is reported to contain thousands of bioactive ingredients which are almost contributed by polyphenols which plays a key role in prevention and treatment of many diseases. Special consideration is given to antioxidant potential of the green tea and mechanisms by which it acts as antioxidant. The aim of this literature review was to illustrate therapeutic properties of the plant “Green tea” which is known as a medicinal herb on oral and periodontal health. In this study, first we introduced particular information about the tea, such as plant morphology, its active constituents and medicinal supplements. Then we described some important oral and periodontal diseases with essence of easy understanding and at the end explained documents of how green tea and its supplements could improve oral and periodontal health.
Key words: Green tea, periodontitis, oral cancer, antioxidant.
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