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Aesthet Surg J. 2017 Dec 13;38(1):1-10. doi: 10.1093/asj/sjx071.

Computer-Assisted Planning and 3D Printing-Assisted Modeling for Chin Augmentation.

Author information

1
Private practice, Taipei, Taiwan (R.O.C.).

Abstract

Background:

Patients are frequently not satisfied with the outcome of chin augmentation.

Objectives:

We report the use of three-dimensional (3D) imaging and printing to design custom fit porous polyethylene chin implants.

Methods:

Patients requesting chin augmentation received 3D computed tomography (CT) imaging of the facial area. Patients could select the chin contour they desired by viewing 3D images of their face and chin. A 3D mandible replicate was printed from the CT data, and used to sculpt the inner surface of the implant to match the shape of the mandible, and the outer surface to match the contour the patient desired. Implants were placed with a 2 cm mucosal incision. The primary outcome was patient satisfaction with the cosmetic result at 6 months postoperatively.

Results:

From April 2014 to March 2015, 107 females and 22 males (mean age, 29.7 years) received chin augmentation using 3D imaging and printing to create a custom fit porous polyethylene implant. No major complications (eg, infection, nerve injury) occurred. At 1 month, five of the 124 patients who returned for follow up were not satisfied; however, became satisfied after a minor adjustment procedure. All of the 78 patients that returned for the 6 month follow up were satisfied with the cosmetic result. No implant displacement, skin numbness, or infection was noted during the 6 months of follow up.

Conclusions:

Three-dimensional imaging and printing can be used to produce custom fit porous polyethylene chin implants that results in minimal complications and a very high satisfaction rate.

Level of Evidence:

4.

PMID:
29117294
DOI:
10.1093/asj/sjx071
[Indexed for MEDLINE]

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