Generally speaking, yes. The flour will help the pie crust to come away from the pan cleanly, and not stick and fall apart.
Flour
It is used to create the crust.
After.
crust
The noun flour is a common, concrete noun, a word for a thing.The noun flour is a mass (uncountable) noun as a substance:Dust the pieces with some flour before placing in the hot oil.The plural form, flours is a word for types of or kinds of bread:The flours to make the bread are wheat flour and potato flour.
flour , yeast , warm water , salt
Pie crust is often made with flour and flour is often made of wheat.
Flour used for pie dough is all-purpose flour. This flour type is versatile for making a pliable, dense dough that will keep firm.
Dough is a combination of water and flour and other additives. Dough can be made into crust and other stuff.
The outer part of bread is called the crust. Flour, shortening, water and salt are ingredients used to make bread and is not in the crust only.
You can, but you won't get the same type of crust. Strong flour is merely flour that is high in gluten which makes for a strong stretchy dough.
The type of pan is unlikely to effect the nature of the pie crust. For a light delicate crust, one must use the correct proportions of flour, fat and water in the dough, and handle the dough as little as possible when rolling out.