Why doesn't Jaw surgery widen the ramus? Is this possible via osteotomy? Widening only occurs in some cases.

Question

So I was looking at jaw surgery (orthographic) surgery results for those who have recessed jaws like me. When I look at the front view I see that jaw surgery typically does nothing in that regard. Why does it not widen the ramus? Is the square jaw look simply the width of the jaw? I also notice widening of the jaw only occurs in some cases of BSSO. Why is this?

Gerald Wittenberg, MSc, DMD (retired) · Answer

That is a good observation on your part. There are growth patterns which have adequate ramal/jaw angles development associated with a recessive mandible. But more commonly the lower jaw is deficient on both projection and width. However when we advance the mandible some of us do augment the width at the angles at the same time with implant materials for the best cosmetic result  One does not do it with altering the osteotomy because that is less effective  and could injure the TMJ.

Why doesn't Jaw surgery widen the ramus? Is this possible via osteotomy? Widening only occurs in some cases.

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Why doesn't Jaw surgery widen the ramus? Is this possible via osteotomy? Widening only occurs in some cases.

Answers (1)

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