When does getting a genio not be enough? Is there a certain parameter where just getting bimax is better/worth it?

[crimsonbot]

Is there a certain degree of recession which can be just fixed or made a minimal flaw by a genio?

Bimax sounds and looks painful and there are so many ways you can be botched.

 

[alphamale82]

genio is for the chin and bimax is for the jaw

 

[sarmatian]

genio is for the chin and bimax is for the jaw

 

[crimsonbot]

genio is for the chin and bimax is for the jaw

I know that bhai. But how do you determine if it's the chin or the whole jaw?