http://tinyurl.com/bad-breath-tricks - READ the 10 Minute Bad Breath report NOW!!! To avoid bad breadth, good brushing technique is necessary. Brushing vigorously may result in damaged gums. Brushing after every meal and snack could lead to loss of enamel. The bristles of the brush need to be hard but smooth to get rid of particles from between the teeth. The most important aspect of brushing is the direction of brushing. The lower teeth need to brushed upwards and it's the other way around for the upper teeth. This is valid for both the inner and outer surfaces. For the crowns of the teeth, a forward and backward motion is recommended. This has to be done for both the upper and lower set of teeth.