Trust the battery performance of the Oral-B Pro Clean Battery Powered Toothbrush with a Deep Clean toothbrush head that provides superior plaque removal. The Deep Clean round brush head with x-shaped bristles cleans deeper and better than a regular manual toothbrush. The 2 minute timer will help you brush for the dentist recommended time. Replace your brush head every 3 months and replace the AA batteries as needed (included). Oral-B is the #1 dentist-recommended toothbrush brand worldwide.