INTRODUCTION
Green tea is made up from leaf Camellia sinensis, it
is originated in China, but it has become associated
with many cultures throughout Asia1
. It has been
considered as a healthy beverage since ancient times.
The traditional Chinese medicine has recommended
this plant for headaches, body aches, general pain ,
digestion, depression, as an energizer, and in general
to prolong life2
. Green tea has many oral health
benefits. It has cognitive function and positive
impact on bone density, caries, periodontal diseases
and diabetes3
.