???? ??? ??????? ?? ???? ????? ?? ?????? ??????? ?? ??? ?????? ?? ???????? ?????? ???????? ???? ?? ??? ??????? ?????? ?? ?????? ?? ??? ?????? ?? ??? ?? ???? ??????Christine Horbury, (Dental Nurse) Clinical Techniques Educator ‘Whilst finding out on the University of Kent I concluded a dissertation design titled Does tooth whitening cause sensitiv