Im in yr 12 rn and i rlly wanna go into dentistry. For a levels im doing psychology chemistry and maths and ik this restricts unis i can go to but there is like 3, them being kcl and qmul and bristol. For gcses i got 988887666 the 6s being in sciences 7 in eng lang and 8 in maths. I have done many extra cirricular stuff. What are my chances to getting in and what can i do