In the early to mid 1980's we watched a movie in my elementary school class about brushing your teeth and cavities. I remember that the film took place in a mansion that was scary looking. I also remember a young boy. There was a little suspence. I remember that the boy was upstairs and that there was a man downstairs. Parts of the movie were animated. I doubt anyone can help but I would appreciate any help I can get. It could be from the 70's to mid 80's