It is possible to brush your teeth before scaling, these two are not contradictory, and brushing before scaling can also improve the efficiency of scaling, scaling and brushing are both cleaning of the tooth surface, periodontal. But the focus is different. Brushing is mainly for plaque and food debris in the mouth, while scaling is mainly for calculus in the mouth, which cannot be removed by brushing. It is not possible to remove it by brushing because it is very firmly attached to the tooth surface like calculus, especially within the gingival sulcus, and can only be removed better and cleaner by scaling with an ultrasonic scaler. And brushing is the pre-cleaning for the oral cavity before scaling. After brushing the teeth, the breath is relatively fresher when scaling, and the tartar will be better exposed, which helps to improve the efficiency of scaling, so brushing before scaling is not a problem.