Types of Rhinoplasty Implants and Their Pros and Cons? Facts You Need to Know Before Choosing Silicone, Gore-Tex, Medpore, or Autologous Cartilage

 

Hello! I am Dr. Sung-Cheol Chu, the representative director of D-Day Plastic Surgery Clinic.

 

When consulting about rhinoplasty, there is a question that patients frequently ask.

 

Which is safer, silicone or Gore-Tex?
Are there no side effects when using autologous cartilage?
"Can I keep the implants for life after just one surgery?"

 

It is natural to worry about which material to use before rhinoplasty. In fact, the materials used in rhinoplasty can affect not only the shape of the nose after surgery but also its feel, long-term stability, and the difficulty of revision surgery.

 

However, there is something you need to know first. There is no single best implant for every patient. The necessary materials may differ for individuals with a low nasal bridge and those with weak nasal tip support. The surgical plan also varies depending on whether the nasal skin is thin or thick. If tissue has been damaged or contracture has occurred due to previous surgery, greater caution must be exercised in selecting materials.

 

Today, I will examine the characteristics of the representative artificial implants and autologous tissues used in rhinoplasty and explain the advantages and limitations of each.

 

1️⃣ How are the materials used in rhinoplasty classified?

They are broadly divided into two types: artificial implants and autologous tissue. What matters more than the material itself is where it is used and for what purpose.

 

The materials used in rhinoplasty are broadly classified into artificial implant (alloplastic implant) class autologous tissue It can be classified as.

 

🔹 Representative artificial implants include medical silicone, ePTFE (a material known as Gore-Tex), and porous high-density polyethylene (Medpore).
🔹 Autologous tissues typically include the patient's own septal cartilage, ear cartilage, and rib cartilage, and tissues such as fascia or dermis are also utilized as needed.

 

While all of these materials can be used to shape the nose, their roles are not identical. For example, a material suitable for increasing the height of the nasal bridge is not necessarily suitable for firmly supporting the tip of the nose.

 

Therefore, in rhinoplasty, not only the materials used, but also Which part and for what purpose it is used It is important.

 

 

2️⃣ Silicone implants are easy to shape, but what should you consider?

Although shape control and removal are relatively easy, long-term tissue reactions such as film formation and the potential for migration, transparency, and exposure must be considered.

 

Silicone is a representative artificial implant that has long been used for Asian rhinoplasty, specifically surgery to raise a low nasal bridge. Medical-grade solid silicone has the advantage of being relatively easy to process into the desired height and shape, and allows for the predictable formation of the nasal bridge's contour. Additionally, it is relatively easier to remove compared to porous materials that adhere strongly to tissues.

 

However, silicone also has its limitations. The body can form a fibrous capsule around the inserted silicone. While capsule formation itself is a normal tissue reaction to foreign substances, in some patients, the shape of the nose changes as the capsule contracts. Capsular contracture This may occur. In addition, complications such as implant displacement, visibility, infection, thinning of the skin, and implant exposure have been reported.

 

In particular, since the tip of the nose is an area where continuous pressure can be applied to the skin and soft tissues, the shape and length of the implant must be carefully determined. Just because silicone has been used for a long time does not mean it is safe for all patients, and conversely, it cannot be assumed that problems will necessarily occur simply because it is silicone.

 

🔹 merit — It is relatively easy to adjust the shape, useful for shaping the bridge of the nose, and relatively easy to remove when needed.
🔸 disadvantage — You must consider the possibility of film formation, migration, transparency, infection, exposure, etc.

 

 

3️⃣ Gore-Tex (ePTFE) has excellent tissue adhesion, so why is it difficult to remove?

Tissue grows into the fine porous structure, resulting in high adhesion, but for the same reason, dissection may be difficult during revision surgery.

 

Widely known by the name Gore-Tex expanded polytetrafluoroethylene (ePTFE) It is an artificial material with a fine porous structure. Unlike silicone, surrounding tissue can partially grow into the microscopic spaces of the material, which is characterized by relatively high adhesion to tissue. This can offer advantages in terms of tactile feel and contour, and may help reduce movement of the implant.

 

However, the characteristic of tissue growing into the material can be a disadvantage during revision surgery. When removing or replacing the implant, dissection may become difficult due to adhesions with surrounding tissues, and if an infection occurs, treatment can become complex depending on the condition of the material and surrounding tissues.

 

In addition, as the thickness or height may vary depending on tissue response and pressure after insertion, it cannot be guaranteed that the shape immediately after surgery will remain the same for a long period.

 

🔹 merit — It adheres closely to the tissue and can be used to create relatively soft contours.
🔸 disadvantage — Removal may be difficult due to tissue adhesion, and the possibility of infection or long-term shape changes must be considered.

 

 

4️⃣ When is Medpor used, and what should be considered?

While rigid structural support is possible, the potential for tissue adhesion and exposure, as well as the risk of tissue damage during revision surgery, must be considered.

 

Medpore is porous high-density polyethylene It is an artificial material made of [material]. It can maintain a relatively rigid shape and has the characteristic of allowing tissue to grow into the fine pores of the material. Due to these characteristics, it has been used to reinforce or support specific structures of the nose.

 

However, rigid materials are not suitable for all areas. Particularly in areas with thin skin and soft tissue, the possibility of the material's contours becoming visible or placing pressure on surrounding tissues must be considered. Additionally, strong adhesion to surrounding tissues can make removal difficult and increase the risk of tissue damage during revision surgery.

 

📌 A meta-analysis comparing autologous rib cartilage and artificial implants published in 2018 also evaluated the potential of Medpore, pointing out that damage to surrounding tissues could occur in situations where removal is required as a significant limitation.

 

🔹 merit — It allows for shape retention and structural support, and can form bonds with tissues.
🔸 disadvantage — You must consider the hard texture, potential exposure, tissue adhesion, and the difficulty of the removal process.

 

 

5️⃣ Since autologous cartilage is your own tissue, are there any side effects?

While the foreign body reaction characteristic of artificial implants can be avoided, factors such as bending, absorption, infection, and burden on the harvesting site must still be considered.

 

In rhinoplasty, the patient's own cartilage is frequently used in addition to artificial implants. Representative materials include septal cartilage, ear cartilage, and rib cartilage.

 

🔹 nasal septum cartilage It is cartilage obtained from the nasal septum inside the nose. Due to its relatively straight shape, it is used to create a supporting structure for the tip of the nose or to reinforce the nasal septum. However, there is a limit to the amount that can be harvested, and only the necessary amount must be harvested while maintaining the supporting function of the nasal septum.

 

🔹 ear cartilage It has a curved shape and elasticity, so it is used to gently refine the contour of the nose tip or reinforce specific areas. However, there may be limitations on its shape and strength when a straight and strong support is required.

 

🔹 costal cartilage It is harvested from the rib cartilage in the chest area. Because a relatively large amount can be secured and it is useful when structural support is required, it is sometimes considered in complex rhinoplasty or revision surgery. However, a separate harvesting site is required, and pain or scarring may occur. There is also a possibility of warping or absorption of the cartilage over time. Although rare, complications such as pleural injury must also be considered during the rib cartilage harvesting process.

 

📌 Autologous cartilage has the advantage of avoiding certain foreign body reactions that can occur with artificial implants, but, Just because it is autologous tissue does not mean it is free from all complications such as infection, deformation, or absorption.

 

 

6️⃣ Artificial implants and autologous cartilage, which is safer?

Since results vary from study to study, it is difficult to say that a single material is superior. We must consider which patient, on which body part, and by how it was used.

 

It is difficult to answer this question simply by saying that one material is superior.

 

A systematic review and meta-analysis published in 2022 analyzed a total of seven studies involving 1,233 patients. In this analysis, the group using autologous cartilage tended to have lower rates of overall complications and revision surgery, as well as higher satisfaction, compared to the group using silicone implants. However, the researchers explained that higher-level evidence is needed due to limitations such as differences among the included studies and publication bias.

 

On the other hand, a meta-analysis of 53 studies published in 2018 observed that the overall complication rate of the autologous rib cartilage group was higher than that of other materials. However, it is possible that the results were influenced by the fact that autologous rib cartilage is frequently used in more complex revision surgeries.

 

The reason results vary from study to study is that the patient's condition, surgical difficulty, implant placement, and follow-up period differ.

 

Therefore, rather than determining the superiority or inferiority of materials based solely on specific complication figures in the paper Which patient, on which body part, and by what method it was used We need to examine it together.

 

 

7️⃣ What are the three things you should check when choosing rhinoplasty materials?

It includes the condition of the nasal skin and soft tissues, the area to be corrected and the required support, and whether it is the first surgery or a revision surgery.

 

In the actual surgical plan, there are conditions that must be checked before the type of implant.

 

🔹 First, the condition of the skin and soft tissues of the nose. If the skin is thin, the boundaries of the implant are likely to be visible, and if there is insufficient soft tissue at the tip of the nose, pressure from the material can become a problem.

 

🔹 Second, it is the area to be corrected and the required support. Surgery to increase the height of the nasal bridge has a different purpose than surgery to extend the tip of the nose or reconstruct supporting structures. Therefore, it is not necessary to use the same material for both areas.

 

🔹 Third, it is whether it is the first surgery or a re-operation. If there has been a history of infection or contracture, or if the skin has thinned, the condition of the existing implant and surrounding tissue must be evaluated first. Particularly in revision surgery, the process of restoring damaged tissue and securing a stable supporting structure may be more important than simply replacing the implant.

 

 

8️⃣ What are the pros and cons of rhinoplasty implants at a glance?

Every material has both advantages and limitations. The table below compares general characteristics and is not a standard that guarantees the superiority of any specific material.

 

division	Key Advantages	Limitations to consider
silicone	It is easy to adjust the shape and relatively easy to remove.	Construction, movement, transparency, possibility of exposure
Gore-Tex (ePTFE)	Tissue adhesion and smooth contours	Adhesion, difficulty in removal, change in shape
Medpore	Solid structural support	Tissue adhesion, exposure, difficulty of reoperation
septal cartilage	Useful for supporting the tip of the nose and reinforcing the structure.	Limited harvest volume, need to preserve nasal septum support
ear cartilage	Can utilize elasticity and curved surfaces	Limitations in strong linear support
costal cartilage	Sufficient amount and structural support	Burden on the extraction site, possibility of bending or absorption

 

📌 This table compares the general characteristics of materials and is not a standard guaranteeing the safety or excellence of specific materials.

 

 

💬 Frequently Asked Questions

 

Q1. Does using silicone implants inevitably lead to contracture?

 

A1. That is not the case. The formation of a fibrous capsule around silicone is a common tissue reaction, but pathological capsular contracture does not occur in all patients. However, in some patients, capsule contraction may cause changes in shape, such as the nose becoming shorter or upturned. Infection, repeat surgeries, and the condition of the soft tissues must also be considered.

 

Q2. Is Gore-Tex safer than silicone?

 

A2. It is difficult to conclude that any single material is safer in all situations. Gore-Tex offers good tissue adhesion but can be difficult to remove, while silicone is relatively easy to reshape and remove but carries the risk of contracture or migration. Although past meta-analyses have reported differences in removal rates by material, these cannot be directly applied to an individual's probability of complications.

 

Q3. Can silicone implants be used on the tip of the nose as well?

 

A3. Although there are cases where silicone is used in a form that extends to the tip of the nose, a cautious approach is required because the tip is an area where continuous pressure can be applied to the skin and soft tissues. In particular, if the skin at the tip is thin or lacks tissue support, the possibility of implant exposure or skin damage must be considered. For this reason, the method of utilizing autologous cartilage to create the shape and supporting structure of the nasal tip is widely used.

 

Q4. Are there no side effects from rhinoplasty when using autologous rib cartilage?

 

A4. Since autologous rib cartilage is the patient's own tissue, it can avoid some foreign body reactions associated with artificial implants. However, there is a possibility of cartilage bending, absorption, infection, asymmetry, scarring, or pain at the harvesting site. Therefore, autologous rib cartilage should also be selected considering the required support capacity and the burden of harvesting.

 

Q5. How often should rhinoplasty implants be replaced?

 

A5. There is no fixed replacement cycle applicable to all rhinoplasty implants. It is not mandatory to replace a problem-free implant simply because a certain period has passed. However, if the shape of the nose changes over time, or if symptoms such as persistent redness, pain, swelling, discharge, or implant exposure appear, you must identify the cause through a medical examination. Long-term stability is influenced not only by the material but also by the surgical method and the condition of surrounding tissues.

 

🎯 Conclusion

 

Good rhinoplasty does not end with choosing a good implant.

 

In rhinoplasty, material selection is a crucial step. However, what must be considered first is which structure needs to be corrected and how to maintain that structure stably in the long term.

 

Silicone can be useful for shaping the bridge of the nose, while Gore-Tex offers the advantage of tissue adhesion. Medpore can be utilized to support specific structures, and autologous cartilage plays a crucial role in shaping or reconstructing the tip of the nose and its supporting structures. Every material has both advantages and limitations.

 

Therefore, if you are planning rhinoplasty, rather than simply asking "Which implant is the best?", it would be better to ask as follows.

 

Which parts of my nose need to be corrected, and why is this material being used for those areas?

 

A thorough explanation of that question is necessary to make a rational selection of surgical methods and materials. The goal of rhinoplasty is not merely to use specific implants, but to create a natural shape and a stable supporting structure by considering the individual's nasal structure and skin condition. 💖

 

📚 References

1. Problems Associated with Alloplastic Materials in Rhinoplasty. Yonsei Medical Journal. 2014.

2. Rhinoplasty with Cartilage and Alloplastic Materials, Nasal SMAS Management in Asian Rhinoplasty, Contracture Classification, and Secondary Rhinoplasty with Contracture. Seminars in Plastic Surgery. 2015.

3. A systematic review and meta-analysis of the efficacy and complication rates of augmentation rhinoplasty with autologous cartilage and silicone prosthesis. Annals of Palliative Medicine. 2022.

4. A systematic review and meta-analysis of comparison between autologous costal cartilage and alloplastic materials in rhinoplasty. Journal of Plastic, Reconstructive & Aesthetic Surgery. 2018.

5. The Use of Alloplastic Materials in Rhinoplasty Surgery: A Meta-analysis. Plastic and Reconstructive Surgery. 2008.

6. Complications of Alloplast Rhinoplasty and Their Management: A Comprehensive Review. Facial Plastic Surgery. 2020.

7. American Society of Plastic Surgeons (ASPS). Nasal Surgery Practice Parameters.

 

D-Day Plastic Surgery Clinic

Chief Director Chu Seong-cheol

Plastic surgeon at Catholic University Seoul St. Mary's Hospital
Former Director of Soon Plus Plastic Surgery Clinic
Former Director of Wonjin Plastic Surgery Clinic
Former Director of Iwell Plastic Surgery Clinic
Former Director of Ruby Plastic Surgery Clinic
Current Chief Director of D-Day Plastic Surgery Clinic
Member of the Korean Society of Plastic and Reconstructive Surgeons
Member of the Korean Society of Aesthetic Plastic Surgery
Member of the Korean Society of Craniofacial Plastic Surgery
Member of the Korean Society of Microsurgery
Member of the Korean Society of Surgery on the Hand
Member of the Ocular Surgery Research Group of the Korean Society of Plastic and Reconstructive Surgeons
Member of the Rhinoplasty Research Group of the Korean Society of Plastic and Reconstructive Surgeons
Member of the Liposuction Research Group of the Korean Society of Plastic and Reconstructive Surgeons