Not buying it. That would only work if it were firmer because as it is now I'm extremely doubtful your teeth will magically fall into those grooves when the spo

Not buying it. That would only work if it were firmer because as it is now I'm extremely doubtful your teeth will magically fall into those grooves when the sponge has so little structure. On top of that it seems hard to clean, A toothbrush is open and has short bristles and often after rinsing it I'll look and still find debris where I need to clean again and deliberately get pieces out.