Can A Skull Implant Make A More Square Head Shape?

Q: Dr. Eppley, Are there skull implants for the side of the skull that could give me a square head shape?

A: You have correctly surmised that to get a more square head shape you do have to build up the sides along the bony temporal lines. Whether that is done with two separate implants or one implant that thinly crosses the middle can be debated. (see attached) But most likely in your case it would be the former.