university application

i got a predicted b in math c in chem c in pe fighting for predicted a tho. was gonna do dentistry but my grades arent competitive enough. does anyone kknow any courses similart to dentistry but i dont want to do nursing. i get free school meals and recieve bursary giving me contextual in certain unis. i prefer communication jobs where i help people in the health care sector. i was told optometry but idk if ill get in