Smart electronic toothbrush with artificial intelligence

We use toothbrush to clean our teeth. Many people don't know the right way to clean the teeth, because of that teeth have been damaged. To handle this situation Colgate introduced smart electronic toothbrush.
The smart toothbrush depends over artificial intelligence. This is a chargeable brush. It has on and off button.
Using Bluetooth brush connect with Iphone. It tell us about the time we spend in brushing and which part is still dirty.
Using their sensors it shows us the we are cleaning teeth. This is a wonderful thing.