KODOMO Lion Soft & Slim Professional Toothbrushes are also available for: - Milk Teeth (3yrs - 5yrs) - Mixed Dentition (6yrs - 9yrs) The Oral Care Specialist KODOMO Soft & Slim Professional Toothbrush with the special PBT bristles effectively removes food particles and plaque, clean between teeth without hurting child's tender gum. KODOMO Lion Soft & Slim Professional Toothbrush with:- Small brush head is designed to fit children mouth Long neck feature for easy reach to back teeth "Thumb Lock" Handle is designed to enhance child's firm grip for proper holding and correct brushing technique