European Journal of Molecular & Clinical Medicine

Green tea becomes one of the most popular beverages consumed worldwide, because of its many scientifically proven advantageous effects on human health it has gained attention in recent years . which is also rich in health-promoting flavonoids account 30% of the dry weight of a leaf, includes catechins and their derivatives. Several studies has proved that green tea catechins, such as epigallocatechin gallate, prevent growth of periodontal pathogens and decrease the destruction of periodontal tissue.