what do you call this in English ?

In my opinion, This is a very remarkable thing in the any person .

i feel that it makes any one more beautiful whatever his (colour,age,or his form) .

I love every one have has this, i feel that their smile gives me hope and makes me optimism optimistic .

i wish i had one ):

let me know what is it's name in English !

ALSo

i feel that it makes any one more beautiful whatever his (colour,age,or his form) is.