>>498194Stop trying to fly before you can crawl; go learn the fricking basics you FRICKEN FRICK
Also try to understand that your drawing is useless trash because it isn't based on anything real; the black space in teeth is caused by shadow, caused by an absence of something for light to hit.
That's why when you use concept art it has to try to convey somewhat "real" (albeit exaggerated, in the case of a cartoon character) information.
Now go do every youtube Blender tutorial starting with that white coffee cup everyone does