Do Round Sientra and Mentor Implants Post Op Results Looks Any Different? (photo)

im looking into getting a revision to go bigger but i don't know if i should change my sientra implants to mentor implants to get a more rounder upper pole look i've seen many post op photos and i see women that have mentor implants have a rounder upper pole look than sientra implants do is this true? and what size do you think i should get if i want this look? [goal photo attatched] height 5"3 weight 100-105lbs pre op 34A BWD 13cm ribcage 29" current 355cc's sientra round smooth HP silicone

Doctor Answers 20

They should look the same

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I don't think there is any reason to change implant brands looking for a different shape if they are both going to be round.  The main difference you'll find between companies is the cohesiveness of the gel, the overall feel of the implant, and the customer service and warranty differences.

New Bern Plastic Surgeon
4.4 out of 5 stars 62 reviews

Do Round Sientra and Mentor Implants Post Op Results Looks Any Different?

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You state that you are looking for a rounder upper pole of the breast and are wondering whether Mentor round implants will give you more upper pole fullness than a Sientra round implant.  The answer is no.  Upper pole fullness can be achieved by either implant.  It is a factor determined by how large the implant is for YOUR available tissue (in other words, the tighter your tissue is around the implant, the more upper pole fullness you will see), and the shape of the implant (round implants from either company tend to produce more upper pole fullness than shaped implants, unless the round implants are small in relation to the patient's tissues and thus not tight in the pocket). You do not show a photo of your current result, but if you want a result with more upper pole fullness, as in the "goal" photo you show, then your surgeon must use a larger implant, but it is important that the implant width not exceed your breast width or you may develop problems in the future.

Look of Mentor and Sientra Implants

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I have been offering Sientra implants for over 9 months.  I do not believe there is any major difference in how they look unless you have the Sientra anatomic-shaped implants which would give you less upper fullness.  I offer them and use them predominantly because of the lower rupture rate when compared to the other companies rates and lower risk of capsular contracture with the Sientra textured implant.

Robert J. Spies, MD
Paradise Valley Plastic Surgeon
5.0 out of 5 stars 95 reviews

Sientra shaped implants help avoid the rounded upper pole 'look'

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If you are looking for a rounder upper pole, I don't think a Sientra anatomic implant would be a good choice for you - they distribute most of their volume to the lower breast pole.

Upper pole fullness is primarily determined by your natural anatomy.

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Great question. Upper pole fullness is a common concern when it comes to choosing which implants work best for your body, and many women are on the fence in regards to brand and size. Achieving the volume and fullness you're looking for in the upper pole is best accomplished with round implants rather than shaped implants. However, keep in mind that breast augmentation can't necessarily alter your natural breast shape. Your anatomy will still have the biggest influence on how much upper pole fullness you achieve rather than the implant you use.

Both Implants Would Create Similar Results

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When Mentor and Sientra implants of the same size, shape and profile are compared to each other, it’s virtually impossible to see differences in their appearance.In your case, both implants would create similar amounts of upper breast fullness.
Despite similarities in appearance, important differences do exist between these implants.For instances, there’s no question that form stable Sientra implants have more firmness than Mentor silicone implants.For this reason, Sientra implants are associated with less rippling.
In addition, Sientra implants are associated with less silicone bleed, capsular contracture rates and implant rupture rates.
Without pictures or a psychical examination, it’s impossible to make recommendations regarding implant size.It’s safe to say that switching from comparable Sientra to Mentor implants won’t impact upper breast fullness.
If you’re considering removal and replacement surgery, consultation with a board certified plastic surgeon is appropriate.This surgeon should be able to evaluate your situation and formulate a treatment plan that addresses your anatomic findings and achieves your aesthetic goals.

Sientra vs. Mentor round implants

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As long as you compare like to like, the appearance will be the same. In other words, it has to be the same volume and projection (moderate plus to moderate plus, high to high). Aside from that, the main thing I have noticed with the Sientra implant, is less rippling, even though rippling is not common with any silicone implant. The Sientra round implant is the only one with the 5th generation highly cohesive silicone, a true gummy bear round implant. Both manufacturers make a nice implant.

This information is for educational purposes only and is not a substitute for a consultation with a plastic surgeon certified by the American Board of Plastic Surgery.

Sientra vs Mentor

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Sientra, Mentor, and Allergan all produce very high quality implants that are FDA approved in the United States.  It is possible to achieve very similar results in terms of shape with each company.  There are differences in the texture of the gel between companies, and minor differences in the shapes and sizes offered.  Your desire for upper pole fullness is achievable with any of these companies.  

Without seeing preop photos and performing an examination it is difficult to recommend a size and style of implant, but I would consider a moderate plus profile as sometimes the wider base diameter provides more upper pole fullness.


Jeremiah Redstone, MD
New York Plastic Surgeon
4.7 out of 5 stars 13 reviews

Sientra vs Mentor

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The answer to your question is no, there really isn't any difference in the shape between manufacturers as long as you are comparing similar implants. For example, both companies make smooth round high profile implants that look very similar. We can expect very similar results in any given patient.

Ben Lee, MD - Account Suspended
Denver Plastic Surgeon

Sientra breast implants in Los Angeles

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There are small variations in breast implant dimensions, but for the most part, you can get the same breast contour and volume with each. The difference is mainly in the viscosity of the implant gel.


Dr. Karamanoukian

Raffy Karamanoukian, MD, FACS
Los Angeles Plastic Surgeon
4.8 out of 5 stars 95 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.