Mentadent 7-13 years old: effective and gentle cleaning for older children's teeth - una small head, with bristles of different lengths for una thorough cleaning - a soft and ergonomic handle for una better grip Approved - National Association of Italian Dentists LANDI recognizes that Mentadent 7-13 years meets high quality standards. Combined with a fluoride toothpaste, if used correctly and replaced frequently, it is a valid oral hygiene tool.