Step1: place toothbrush in gingival with 45 degree angle.

Step2: clean teeth with mild pressure from outside, chaw surface and inside.

Step3: use toothbrush to clean the tongue.

Important note:

The most important time for brushing is before bedtime for preserving dental health and dental caries. Because of less secretion of oral salvia during sleep, if the oral environment is favorable , germs have a great chance of developing dental caries.