Cabinets with heavy duty hidden hinges are nearly universal, with most home improvement stores putting these useful pieces of hardware at the center of their hinge options. These invisible hinges can be used in the 10.2 million kitchens or 14.2 million bathrooms that are remodeled annually, as they work on any cabinet door. While the main benefit of concealed hinges is to create a sleek, streamlined look for your cabinetry, there are several practical benefits as well.