Chin surgery, or mentoplasty, is a surgical procedure to reshape the chin either by enhancement with an implant or reduction surgery on the bone. The specific medical terms mentoplasty and genioplasty are used to refer to the reduction and addition of material to a patient’s chin. This can take the form of chin height reduction or chin rounding by osteotomy, or chin augmentation using implants.

Plastic surgery, and other minor office procedures, can often be performed on the lower jaw line and chin area to improve proportions of the face and to help with one’s confidence and self-esteem. These types of interventions are frequently suggested by board-certified plastic surgeons to improve the harmony of facial features and improve the chin, jaw, cheek, forehead balance.

Sometimes bone from the jaw itself can be moved forward in an operation called a mentoplasty or genioplasty. Alternatively, shaped silicone implants can be used to give more projection to the chin. Conversely, bone can be removed to decrease an overly projecting chin. Furthermore, modifications to the upper and/or lower jaw can be advised for improved chewing dynamics and occlusion or how the teeth fit together.

The Procedure of Chin Surgery

Reshaping the chin can be accomplished either by using chin implants or by repositioning the bone supporting the chin.

Many types of implants are available, manufactured from a variety of materials, including silicone or other substances. There is no available evidence to suspect that silicone implants cause any disease. Your surgeon will consult with you and discuss recommendations for the type of implant to use.

During the procedure, the surgeon makes an incision inside the lower lip or under the chin. The surgeon then repositions the chin bone or places an implant through this incision.

Options to Enhance the Procedure

Genioplasty is frequently combined with liposuction of the neck, nose surgery (rhinoplasty), a neck lift or laser skin resurfacing. View all of our plastic surgery procedures.

Every patient is different, and your surgeon will choose the surgical technique and treatment plan that is right for you.
Types of implants

Silicone – Silicone chin Implants are one of the most commonly used implants for chin augmentation. They are soft, smooth, flexible and come in different shapes and sizes. They do not incorporate to the surrounding tissues, so the pocket must be made precisely.

Polyethylene – Polyethylene chin implants, brand name Medpor, are hard, porous, slightly flexible and come in various shapes and sizes. The do incorporate, as the surrounding tissues can grow into the pores of the material.

Polytetrafluoroethylene – Polytetrafluoroethylene, brand name Gore-Tex, is used in plastic surgery and other operations is known by an abbreviation of its chemical name, ePTFE or Gore S.A.M.

Acellular Dermal Matrix – ADM’s are another chin augmentation implant material. Commercially known as AlloDerm and known to physicians as acellular human cadaveric dermis, AlloDerm comes from tissue donors Just after death, technicians remove a layer of skin, remove the epidermis, and treat the remaining dermis with antibiotics and other substances to remove the donor’s cells and DNA that would cause rejection.

Other implant materials include Supramid, a braided nonabsorbale synthetic suture material in polymer shell and Mersiline, a mesh-like material that provides a scaffold on the bone.


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