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Case Study – Mersilene Mesh Chin Implant Replacement

 

Background: Chin augmentation is one of the oldest facial reshaping procedures. It has been performed for over fifty years and just about every conceivable material has been used to perform it. But historically and currently silicone implants have been preferred due to the wide variety of styles and sizes that are commercially available as well as their ease of insertion and removal.

But silicone implants are not perfect as they do not permit tissue ingrowth into them or attach firmly to the surrounding tissues. (depending upon how you view it this can be an advantage as well as a disadvantage) This lack of tissue adherence has allowed the use of a few select biomaterials for chin augmentation that have tissue adherence by virtue of having surface porosity or actual intermaterial porosity

One of these porous materials is mersilene mesh. Mersilene mesh is a synthetic non-resorbable polyester fiber that looks and feels like a fine mesh screen.  This mesh structure allows for fibrovascular ingrowth. It comes in thin sheets that are easily cut and has been widely used in hernia repair. But it has been applied for many other medical applications from ptosis eyelid repair to vaginal and urethral slings. It can be folded into a multilayer shape and sutured together to create a ‘chin implant’.

Case Study: This 30 year female had a history of two prior chin implant surgeries. She originally had a small anatomic chin implant which she felt produced inadequate projection and not the desired v-shape to the chin. It was subsequently replaced by a mersilene mesh implant to improve its projection and shape. This second chin implant ended up looking more like a block on the end of the chin and was further removed form the desired chin look.

Under general anesthesia and through the existing submental incision, the mersilene mesh material was tediously removed due to ingrowth of the surrounding soft tissues. It not only was stuck to the overlying tissues but had left an imprint on the underlying bone. (passive underlying resorption) An anatomic silicone chin implant was used as a replacement and its sides was tapered into more of a v-shape with s scalpel technique. The new implant was placed more on the bottom edge of the chin bone to add some vertical projection as well.

Mersilene mesh chin implants can be successfully removed with careful technique. Patients should expect more postoperative swelling than the original placement surgery due to the increased tissue dissection needed.

Highlights:

  1. Despite tissue ingrowth mersilene mesh chin implants can be successfully removed.
  2. Mersilene mesh material leaves impressions in the bone like every other type of chin implant.
  3. The shape options in mesh style implants are limited and can be the reason for chin implant replacement.

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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