chemistry, biology, physics, math
In most schools, you need the advanced courses of biology, mathematics, physics and chemistry.
No.
5
PhD.
You need to get good grades in dental school and be a detail oriented person to become a dentist. You also need to have good social and customer service skills as many people are afraid of the dentist.
In high school, you need advance biology, chemistry, physics and mathematics.
You need to study enough physics to undertake research into some aspect of physics.
4 A'S and a B
To become a pilot you need to have maths and physics or you can take what you most enjoy in school but maths and physics are prefered better.
Depending on the requirements of both your high school and your university, you may need to take a basic physics class to fulfill a generic requirement. It is not a prerequisite for being a dentist, however. Chemistry, pharmistry, and most medical classes are much more relevant.
There are many ways one can become a dentist. One can become a dentist by graduating from a great doctoral program specific to the field of dentistry.