How to change teeth shape

[dias]

The dude on the left has a weird shape and the dude on the right has a perfect shape , how do i acheive that perfect shape

 

[manletfuel]

View attachment 2500389
The dude on the left has a weird shape and the dude on the right has a perfect shape , how do i acheive that perfect shape

Just go to a dentist and get crowns, bonding or implants
Veneers if you really need them

 

[sozz]

dude on the lefts teeth look caved in on the sides probably coz his palate grew wider after he got braces or just bad braces idk.
in any case it would be a job for braces