Toothbrush that helps to effectively fight dental plaque and cavities in adults. Made with rounded strands to avoid any aggression on the teeth, and are of two different lengths, with short strands for cleaning and protection of the enamel, and long strands that can penetrate the interdental space tooth, without forcing, and at the same time allow a very gentle massage of the gums. The handle is completely ergonomic to adapt to the morphology of the user, and is equipped with a non-slip thumb rest that limits the risk of sudden movements.