Why are there so many differing opinions as to whether it is possible to reattach the mentalis muscle?

You do a peer to have beyond normal facial asymmetry. To make an assessment it helps to have standard pictures. I suggest consulting with local cranial facial surgeons. Typically surgeons come from either dental or plastic surgery backgrounds to do that type of work. Multiple in person...

Most of the silicone chin implants are not designed for screw fixation. "Medpore" implants, however, will have this option available. Micro-particles around screw will not cause any systemic body reaction. To avoid distortion of implant, recipient pocket may be adjusted without need for screw...

Your chin in particular is vertically short which is why you have as double chin (technically a pseudo double chin) since the cause if not excessive fat. Vertical chin lengthening (with some increased horizontal projection as well) will solve the double chin issue and make the lower face in...