What are the differences between nasal silicone implants and expanded polytetrafluoroethylene (ePTFE) implants?

Feb 20, 2025 Source: Cainiu Health
Disease description:

I am 26 years old this year, and I have recently been considering improving the shape of my nose through plastic surgery. I would like to know the differences between silicone and expanded polytetrafluoroethylene (ePTFE) nasal implants.

Doctor's answer (1)
Dr. Chen Lu

Rhinoplasty is a common cosmetic plastic surgery procedure aimed at altering the shape and size of the nose to enhance overall facial aesthetics. Silicone and expanded polytetrafluoroethylene (ePTFE) are two commonly used materials for rhinoplasty, and they differ in material properties, shaping results, and biocompatibility.

Silicone is a type of polymerized siloxane with excellent elasticity and resilience. It maintains its shape well after implantation and is relatively inexpensive. ePTFE, on the other hand, is a material made from polytetrafluoroethylene with a microporous structure that allows human tissue cells to grow into it, offering better integration with surrounding tissues, although it is more expensive.

Silicone provides immediate and noticeable shaping results, closely conforming to the nasal contour. It is easy to carve and implant. ePTFE offers superior flexibility and stretchability, but may be slightly inferior to silicone in terms of structural support.

Due to its inability to fully integrate with surrounding tissues, silicone carries a risk of calcification after implantation, although it is relatively easy to remove when necessary. ePTFE generally produces more natural-looking postoperative results with fewer occurrences of infection and rejection reactions. However, because it integrates closely with surrounding tissues, removal can be more challenging.

Patients are advised to thoroughly understand the advantages and disadvantages of each material, communicate fully with their surgeon, and evaluate their personal needs and risk tolerance before making a decision.