Clients could expertise discomfort and sensitivity over the teeth cleansing process. Hygienists may numb the gums of the patient in advance of cleansing for making the technique suffering free. ???? ?? ????????? ?? ?? ???? ?? ???? ???? ? ?????? ?? ????? ?? ? ???? ? ???? ??? ???? ?? ???? ?? ????? ?? ????? ???? ?? ??? ??? ???? ???? ?? ?? ???? ????