Not at all. Pieces of skin can get stuck, but they are natural and dissolve quickly.
Grapes don't contain sugar, and have natural sweeteners.
Most of the grape is water anyways.
Unless you dunk grapes into a bowl of sugar before eating them, they are not a dental problem at all.
They can rot.
the smoke and bacteria and acid rot your teeth
Yes, cordial cherries will rot your teeth if you don't brush them.
it will rot your teeth really badly
Speed will rot your teeth by destroying the enamel, but it will leave the metal fillings OK.
adult
Yes, it Does rot your teeth.
Yes
yes
they can rot
Yes.
All, it the acid in the soda the rot's your teeth