Sometimes, it is counterproductive to use words like "more masculine appearance" because they could be misinterpreted.
Custom implants can produce sharper features which can be described as "more masculine." A significant objective should be to make you look handsome while looking "more...
In my opinion, extrusion of a chin implant is very, very uncommon. I have actually never seen it occur. You might want to have your surgeon examine you, just to make sure there is no issue with your implant.
If the pain has been unchanged for four years and that it’s just the way you perceive having a medpore implant.
If it’s a recent change then it warrants and evaluation.
If any area suddenly becomes very tender than medical intervention should be had right away.
If the answer from your doctor is ...