48. the dentist / your parents / show you / best way / get your teeth / clean / damaging/ your gums 49. make sure / your toothbrush / soft bristles / and some toothbrushes / come / bristles / that change / colour/ when/it/time/ change them 50. you also / need / be careful / what / you / eat and drink/eat/lots / fruits / vegetables / drink water/ instead / soda
