CORNWALL, Ont. — A teenager faces weapons charges after allegedly threatening her grandmother ... with a juice box.

Police say the 17-year-old girl got into a heated exchange with her grandmother in Cornwall, Ont., and threatened to knock her teeth out and “bury her.”

At one point, police said, the girl threw a juice box at her grandma and then poured the juice on the hood of her car.

The teen now faces charges including assault with a weapon, as well as mischief and breaching probation orders.

She was taken into custody to await a bail hearing.