Filling too low?

[hbradshaw777]

Will a filling that is shorter and smaller than the original tooth matter much? I had a premolar filled and now the left and right side don't match. Maybe it's not super noticeable, but I do have more of a gap now between the top and bottom teeth when my teeth touch. I'm a bit anal these days about my teeth bc I've had so much work done. The premolar is also pretty pointy now at the cusps, while the opposite side seems to be more rounded.
I am getting a crown on the top tooth above it, idk if she did this on purpose, being that I grind my teeth

 

[Dr M]

Good day
This occlusal adjustment might have been made due to the fact that you grind your teeth. If the filling is large, this increases the chance that you might fracture the filling.