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Posts Tagged ‘chin cleft removal’

Chin Cleft Surgery – Making Them or Removing Them

Wednesday, May 27th, 2009

A cleft or dimple of the chin is  a visible indentation in the midline of the chin prominence. It can be small or quite deep and its presence is genetically determined. (dominant gene) It has appeared on many well known faces and most people can quickly name at least one famous person who has one. It has been said to be present because there is a V or Y-shaped fissure on the bony chin button. It has been reported that this fissure in the chin is the result of incomplete fusion of the left and right halves of the jaw during fetal development. Having done a lot of chin surgery, I don’t think this is exactly accurate. I have yet to see a cleft chin where the bone looks incompletely fused. It is a mere notch in an otherwise very well formed and well united manidbular symphysis.

Some patients desire to have a cleft chin made. This can be done using two different chin surgery approaches. . If one’s chin projection (horizontal position) is satisfactory, a midline groove is made in the bone either through an incision inside the mouth or from under the chin. The mentalis muscle is then sutured down to the bone through a bone hole with a permanent suture. If one’s chin projection is short, an implant can be used in which a groove has been fashioned in it. In a similar fashion to the bone, the mentalis muscle can be sutured down to it. I prefer to pass the suture through the implant and down through the bone as well. As sutures to the implant alone can often pull through a softer material such as silastic rubber. Both techniques will create a cleft or chin dimple at the lower edge of the chin. It will be moderate in size and soemwhat rounded. One can make a deeper indentation in whcih the dimple is much more inverted but this would involve an external skin scar whcih I do not advise.

Other patients  who have a cleft in their chin would like it removed. This is a bit trickier but can still be done. ( I should say improved) From inside the mouth, the muscular attachments to the chin fissure are released. The space formed between the released muscle and the bone must be filled to prevent reattachment and ongoing external chin indentation. The best interpositional graft is a dermal-fat graft which is a natural filler. This does require a harvest site and a scar somewhere with graft dimensions being at least 1 x 2 cms. The buccal fat pad can also be used. Another option is cadaveric or animal-derived dermis but the infection risk is a little higher as it revascularizes much slower. Chin dimples that are released in this way will not always make the chin perfectly smooth. In those chin clefts which are really deep and inverted, one has to use an external skin approach to level out the skin. In this case, the scar may be worth it given the depth of the groove which was originally present.

Cleft or dimples of the chin can be surgically created or removed. Using an intraoral or submental approach, the chin bone and mentalis muscle can be molded or released. The use of an external skin incision has been advocated by some but this leaves the potential risk of a poor scar in a very visible location. Its use should be reserved only for the most severe cases of cleft chin release.

Dr. Barry Eppley

Indianapolis, Indiana


Dr. Barry EppleyDr. Barry Eppley

Dr. Barry Eppley is an extensively trained plastic and cosmetic surgeon with more than 20 years of surgical experience. He is both a licensed physician and dentist as well as double board-certified in both Plastic and Reconstructive Surgery and Oral and Maxillofacial Surgery. This training allows him to perform the most complex surgical procedures from cosmetic changes to the face and body to craniofacial surgery. Dr. Eppley has made extensive contributions to plastic surgery starting with the development of several advanced surgical techniques. He is a revered author, lecturer and educator in the field of plastic and cosmetic surgery.

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