T-smart is Professional manufacturer of dental appliances . Are your interdental and gumline areas clean? the back molars,the interdental spaces and the areas below the gum line are the oral blind areas that are hard to reach by ordinary brush hairs.poor oral cleaning can easily lead to dental caries,cavities,yellowing of teeth,bleeding gums and bad breath,the pulsing water produced by the tooth punch can penetrate into the gap between the teeth and the gingical sulcus ,washing away food debris and preventing oral diseaes.p