A dentist is a doctor who concentrates on the prognosis, therapy, and preventive treatment of an array of oral overall health ailments and situations.???? ?? ??? ?? ????? ???? ???? ?? ??? ?? ??? ????? ?? ??????? ?? ?????? ????? ?? ? ??? ??? ?? ?? ??? ?? ???? ?? ?????? ????? ???? ??? ???? ?? ?? ? ?????? ?? ???? ??? ??? ???? ???????? ??? ??? ?????? ?