How Do the New Memory Shape Silicone Implants Compare to Silicone Implants That Were Already Available?

Doctor Answers 7

Memory gel implants

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The new memory gel implants are also silicone but they also have more cross linking in them which makes the gel a little firme  but this allows the implant to maintain its shape.r

Fort Myers Plastic Surgeon
4.9 out of 5 stars 70 reviews

New Cohesive Gel Breast Implant

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The new cohesive gel breast implants are the next generation of silicone implants. They use a different polymer of silicone which forms a more solid shape rather than the liquid like silicone in the last generation. All three implant manufacturers presently use cohesive gel from the same source. The old type silicone is no longer available. The new implants are slightly firmer than the old ones but not significantly so. The greatest benefit of the new implants is their safety. If the shell ruptures, the gel no longer seeps out where it can insinuate between tissue where it should not be.

Robert T. Buchanan, MD
Highlands Plastic Surgeon

Memoryshape implants

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Memory shape implants by Mentor are the more cohesive gel implants "a la" "gummy " style.  Firmer than the lesser cohesive gel ones.

Steven Wallach, MD
New York Plastic Surgeon
4.2 out of 5 stars 30 reviews

New gel implants

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The Memory Gel Implants and Allergan Natrelle implants are 3rd generation gel implants.  Basically silicone is a polymer or molecules linked together in a chain.  The older implants used a shorter chained polymer of silicone.  Silicone is an oil and it could actually leak through an intact bag, this is called silicone gel bleed.  The new implants are composed of less than .02% of the old style gel, improving the safety of the implants .

Jeffrey Zwiren, MD
Atlanta Plastic Surgeon
4.5 out of 5 stars 20 reviews

Memory Gel versus

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Hello and thank you for your question. The new memory gel technology was introduced when silicone implants were put back on the market in 2006.  The older formualtion of silicone was a runnier type of gel/syrup consistency.  If a patient presented with a ruptured implant, the gel was know to infiltrate the surrounding pocket and had been know to, at times, land in the patient's axillary lymph nodes.  The new memory gel is a cohesive gel that sticks together, so to speak, to prevent this from happening.  As mentioned in a previous post, this can also pose certain downfalls, but it is a better quality gel.  Hopefully this answer can lend to some insight for you.  Best of luck to you!

Tanya Aya Atagi, MD
Lone Tree Plastic Surgeon

Question benefits of the newer silicone gel implants.

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The products are introduced hoping that they will have a clinical benefit over the although. If the newer highly cohesive gel implants have a definite advantage over older ones that has not yet been established. Keep in mind that there may also be shortcomings.

Comparison of MemoryShape Breast Implants

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There are now 3 companies that have the highly cohesive implants available (also known as the gummy bears). Mentor who has the MemoryShape, Allergan and Sientra. Each company varies in firmness, shape and dimensions. They all have textured shells to help the implant from rotating. They each have different degrees of cohesiveness and vary on how much they fill the shell, the more they fill it the better it holds its shape but then it is not as soft. There are so many implants to choose from it would probably be better to carefully select your Board Certified Plastic Surgeon and have your surgeon advise you as to which implant may be best for you based on what your preferences are! Good Luck!!

Miguel Delgado, MD
San Francisco Plastic Surgeon
4.8 out of 5 stars 81 reviews

These answers are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.