Sliding Genioplasty vs. BSSO (Photo)

Question

I want to know if my chin is too far back for a sliding genioplasty, all of the before and after pictures of people I've seen who have had the procedure done don't seem to have chins as far back as mine. I've never had X-Rays, but when I was getting consultations from functional orthodontics two years ago all of them told me I have a Class I occlusion... Will a sliding genioplasy put my chin in a normal position or is it too far back?

Barry L. Eppley, MD, DMD · Answer

Your horizontal chin deficiency exceeds more than 10 to 12mms which makes an implant inadequate and only a sliding genioplasty can be done for the best projection possible. How far the chin can come forward would be based on the thickness of the chin bone but a 16 to 18mm forward movement is usually possible.

Donald Nunn, MD (retired) · Answer

If you have a class I occlusion, you do not need entire jaw advancement (BSSO).  A sliding genioplasty can be advanced over a centimeter as with a jumping genioplasty which advances the full thickness of the anterior mandible.   This can also shorten the face which might be advantageous in your case.  Find a surgeon who does frequent jaw surgery for the best outcome.  Good luck.  Donald R. Nunn MD, DDS  Atlanta Plastic Surgeon

Gerald Wittenberg, MSc, DMD (retired) · Answer

Your chin is not prominent but you can achieve a very good profile with a proper sliding genioplasty and it is possible to ensure full augmentation with additional  gortex material to get the best contours. (Website). Xrays do help and an examination of your Bite as well.

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