GREEN TEAGREEN TEA : : A A PROMISING PROMISING NATURAL PRODUCT NATURAL PRODUCT IN ORAL HEALTHIN ORAL HEALTH

Camellia Camellia sinensissinensis

The appearance of green tea in three different stages (from left to The appearance of green tea in three different stages (from left to right): the infused leaves, the dry leaves and the liquid. Notice right): the infused leaves, the dry leaves and the liquid. Notice that the infused leaves look greener than the dry leaves. that the infused leaves look greener than the dry leaves.

GREEN TEA in combating DENTAL CARIESGREEN TEA in combating DENTAL CARIES

Magalahaes et al found that mouth rinsing with green tea Magalahaes et al found that mouth rinsing with green tea extract(0.61%)protect from erosion and abrasion similar to extract(0.61%)protect from erosion and abrasion similar to chlorhexidine extract(0.06%)chlorhexidine extract(0.06%)

In addition one week of mouthwash with green tea(1.6 g of green In addition one week of mouthwash with green tea(1.6 g of green tea in 40 ml water 3 times a day) was able to reduce the salivary tea in 40 ml water 3 times a day) was able to reduce the salivary levels of cariogenic pathogen such as streptococcus mutants and levels of cariogenic pathogen such as streptococcus mutants and lactobacillilactobacilli

In an study it cause reduction in acid production and impaired ph In an study it cause reduction in acid production and impaired ph decrease by a mechanism inhibiting the enzymes lactate decrease by a mechanism inhibiting the enzymes lactate dehydrogenase that leads to the formation of lactic acid from dehydrogenase that leads to the formation of lactic acid from pyruvatepyruvate

Green tea polyphenols significantly blocked the adhesion of oral Green tea polyphenols significantly blocked the adhesion of oral bacteria in glycoproetin layer in a model that stimulated defensive bacteria in glycoproetin layer in a model that stimulated defensive salivasaliva

ANTIVIRAL PROPERIESANTIVIRAL PROPERIES

Polyphenol act as an antioxidants, inhibit enzymes that Polyphenol act as an antioxidants, inhibit enzymes that damage cellular membranes and prevent binding and damage cellular membranes and prevent binding and prevention of virus to cells.prevention of virus to cells.

Green tea may encounter various viruses which are Green tea may encounter various viruses which are found in the oral cavity.found in the oral cavity.

ECGC prevents infection from influenza virus by ECGC prevents infection from influenza virus by attaching to viral haemagglutinin.attaching to viral haemagglutinin.

Green tea can also interfere the mechanism of HIV-1, Green tea can also interfere the mechanism of HIV-1, HSV-1,adenovirus,Epstein barr virus and more.HSV-1,adenovirus,Epstein barr virus and more.

Abolition Of HalitosisAbolition Of Halitosis

Lodhia et al. found that green tea powder succeeded to Lodhia et al. found that green tea powder succeeded to abate the creation of those sulphur compounds and abate the creation of those sulphur compounds and consequently halitosis for an hour.consequently halitosis for an hour.

Zeng et al. demonstrated that green tea extract was Zeng et al. demonstrated that green tea extract was able to remove the odorant sulphurs.able to remove the odorant sulphurs.

Few of mouth spray and chewin gum contain tea Few of mouth spray and chewin gum contain tea polyphenols.polyphenols.

Protection from Oral Oxidative Protection from Oral Oxidative stress and Cigarette smoke induced stress and Cigarette smoke induced inflammationinflammation

Maruyama et al. have shown green tea catechin effect in reduction of Maruyama et al. have shown green tea catechin effect in reduction of gingival oxidative stress.gingival oxidative stress.

Cigarette smoke destroys oral cavity homeostasis. It decreases salivary Cigarette smoke destroys oral cavity homeostasis. It decreases salivary antioxidant status, initiate oral inflammatory disease and promote oral antioxidant status, initiate oral inflammatory disease and promote oral malignancies.malignancies.

Green tea catechins have ability to scavenge Nitric oxide, superoxide Green tea catechins have ability to scavenge Nitric oxide, superoxide oxide ,in addition ECGC also suppresses NF-kB activation by preventing oxide ,in addition ECGC also suppresses NF-kB activation by preventing the phosphorylation and breakdown of inhibitory IkB-the phosphorylation and breakdown of inhibitory IkB-α in human pulp α in human pulp cells.cells.

Cigarette contains more than 4700 chemical compound out of them Cigarette contains more than 4700 chemical compound out of them Nicotine and Acrolein causes gingivitis and periodontitis.also nicotine is a Nicotine and Acrolein causes gingivitis and periodontitis.also nicotine is a potent carcinogen.potent carcinogen.

ECGC may be helpful to reduce ACROLEIN damages as they quench ECGC may be helpful to reduce ACROLEIN damages as they quench ACROLEIN and other unsaturated aldehydes.ACROLEIN and other unsaturated aldehydes.

Thus green tea drinking may reduce cigarette smoking oxidative and Thus green tea drinking may reduce cigarette smoking oxidative and inflammatory damages to oral cavity.inflammatory damages to oral cavity.

Protection from Oral Oxidative stress and Protection from Oral Oxidative stress and Cigarette smoke induced inflammationCigarette smoke induced inflammation

Oral malignancy Oral malignancy prevention and regressionprevention and regression

Tea extracts or ECGC protected against chemical Tea extracts or ECGC protected against chemical carcinogens in several organs such as carcinogens in several organs such as intestine,lung,liver,prostrate,breast and mouth.intestine,lung,liver,prostrate,breast and mouth.

In rats, oral cancer was induced by 4-Nitroquinoline-1-In rats, oral cancer was induced by 4-Nitroquinoline-1-oxide.They have been given green tea polyphenols oxide.They have been given green tea polyphenols extracts. The number and volume of tumours were extracts. The number and volume of tumours were smaller on the average compared with rats that did not smaller on the average compared with rats that did not receive green tea.receive green tea.

Tea polyphenols may induce apoptosis and cell cycle Tea polyphenols may induce apoptosis and cell cycle delay in tumour cells but not in the normal cells thus delay in tumour cells but not in the normal cells thus affecting number of biological pathways.affecting number of biological pathways.

Green Tea Side Effects Green Tea Side Effects

The green tea is generally free of any side effects. However, The green tea is generally free of any side effects. However, pregnant women are advised to reduce their intake during pregnant women are advised to reduce their intake during pregnancy as it was found in different research studies that the pregnancy as it was found in different research studies that the EGCG will affect the way folate is used by the body. This element EGCG will affect the way folate is used by the body. This element is of extreme implication for pregnant women, since it checks is of extreme implication for pregnant women, since it checks neural tube birth defects in newborns. neural tube birth defects in newborns.

The medical fraternity is of the opinion however, that there is The medical fraternity is of the opinion however, that there is some amount of caffeine in green tea, which sometimes triggers some amount of caffeine in green tea, which sometimes triggers insomnia just like coffee .insomnia just like coffee .

Too much caffeine can cause nausea, insomnia or frequent Too much caffeine can cause nausea, insomnia or frequent urination.urination.

Scientists have warned the users that intake this tea in large Scientists have warned the users that intake this tea in large amounts can pose danger to the kidney as well as the liver in amounts can pose danger to the kidney as well as the liver in some indivisual.some indivisual.

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