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Technical Strategies – Vertical Chin Cleft Creation with Chin Implant Augmentation

 

The chin has few topographic features on an otherwise round convex shape as it covers the projecting chin bone. Chins can have either a dimple or cleft. A chin dimple is a circular central indentation of the soft tissue chin pad. A chin cleft is a vertical indentation through the lower half of the chin pad that extends to the inferior border. While many perceive that these chin indentations are caused by the bone underneath them (particularly a vertical cleft), they are actually anomalies in the soft tissue and not the bone.

The vertical chin cleft is the easiest to understand since the lower jaw is formed by the paired brachial arches that meet in the middle in the embryo. Failure to have a complete meeting in the middle can result in a ‘cleft’ of the overlying soft tissues. Or more likely the union of the tissues developed a very slight separation that resulted in a very minor soft tissue cleft.

When surgically trying to make a chin cleft, making a vertical defect in the bone alone will not work. Or in the case of placing a chin implant, a ‘cleft’ chin implant will also not create the desired effect. It requires soft tissue manipulation, preferably from a submental incision, to make an effective external cleft appearance.

When doing a combined chin implant and vertical cleft creation, the bigger the chin implant the more likely it will be effective. Whether the chin implant is round or square does not matter, it can be done equally well in either one. The key technical points are two-fold. First a wedge of cleft must be made through the center of the implant to create a channel for the soft tissue anchoring. In so doing the implant will need to be secured with screws on each side so it remains positionally stable. Secondly a vertical wedge of soft tissue (muscle and fat)is removed from its underside up to the dermis of the skin. Sutures can then be placed to pul the skin down into the implant cleft. This will create a resultant vertical indentation of the overlying external chin.

A vertical chin cleft can also be created in patients who are not undergoing chin implant augmentation. The technique is the same with the exception that a vertical groove is made into the lower edge of the bone as opposed to that of an implant.

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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