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Inferior Border Jaw Shave in Facial Asymmetry

 

Facial asymmetry is not all that uncommon and can occur for a variety of reasons and in different degrees of expression. But the most common reason for facial asymmetry is developmental that becomes apparent as facial growth completes by late teenage years. In the majority of developmental facial asymmetry cases, the abnormal side is positioned lower. It is very rare to have the normal side be the ‘low’ side and the abnormal side be the ‘high’ side.

One of the most conspicuous features of many facial asymmetry cases is the lower jawline. The affected jawline hangs lower and is obviously different than the other side since it is an edge or profile facial feature. X-rays will show that the jawline is usually vertically longer and even the intraosseous inferior alveolar nerve canal and tooth root positions are lower than the other side. This may be associated with a cant to the occlusal plane.

x-ray for Inferior Border Jawline Shave Dr Barry Eppley IndianapolisCorrecting the ‘hanging’ lower jawline is often one of the important procedures that are needed for improved facial symmetry. The simplest and very accurate way to determine how much of the lower end of the jawline that needs to be removed is to take measurements on a panorex x-ray. This tomoraphic films lays out the 3D image of the lower jaw in a 2D fashion.Tracings will show how much lower the affected side is and where the nerve lies so a safe ostectomy line can be made.

The best and most accurate method to perform an inferior border reduction of the lower jaw (inferior jawline shave) is from a submental approach. While many patients would prefer an intraoral approach, this makes it very difficult (if not impossible) to make an accurate line of reduction and also places the mental nerve at risk of injury. While the submental incision creates a small fine line scar, it offers a bone cut that can be made with a direct line of sight back to the jaw angle.

Inferior Border Ja Shave bone specimen Dr Barry Eppley indianapolisThe submental incision best protects the inferior alveolar nerve in the bone as well as the external mental nerve exit into the soft tissues. With a long saw blade on a sagittal saw the desired amount of inferior border bone can be removed in two or three pieces that best matches what has been presurgically outlined on the x-ray.

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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