Do moderate profile implants appear larger than high profile, and if so, what would 350cc high profile implants be in moderate?

How an implant appears (in size) is dependent on multiple factors, most of them due to patient anatomy. You can not generalize and say that, given the same volume, a particular profile looks different than an implant with another profile. The only implant related variable that reliably affects the appearance of size is the implant volume

Most of my patients select HP or moderate+ Mentor implants. The difference is in the projection from the breast wall. Slender women generally prefer the HP. Did you try on a profile bra with silicone moderate 300cc and 350cc sizers under a tailored blouse, tight sweater, swimsuit, workout clothes, tank tops, and other garments you typically wear so that you have the best idea of whether the garments fit as desired with the implant selected. I would recommend that you go with the size that boosts your self-esteem, and fits your anatomy.  Choosing an implant based on an aesthetic goal that exceeds your anatomic capacity may lead to complications and possibly revision.

You are on key, that the same implant size will look different on every patient.  There is a lot that goes into implant sizing and it is a complex process.  We spend a great deal of time discussing sizing, as we allow one entire visit to size our patients in addition to the consultation.Mentor moderate implants are rather wide and flat and not the ideal profile for many patients.  The most common profile in Mentor implants are the High profile and the Moderate plus.  In the Allergan line up the equivalent would be Full and Moderate.I would discuss your sizing again with your surgeon to make certain you are certain about what you are getting and that your surgeon is aware and you are both on the same page.Hope that helps.

Overall, the moderate high implants, the lower height, will give a more natural look than high profile implants. The high profile may give a little more upper fullness or ball look. However, women who have narrow chests and want fairly large implants, the high profile fits better. Please discuss your concerns with your surgeon who has examined and measured you.

Hi,Thank you for your question. I'm assuming your doctor measured your breasts during consultation/examination. Based on your measuments such as the the bilateral width of your breasts we can determine which implants will fit you best. Just because your friends got 350cc high profile implants does not mean that high profiles will be the profile that is best for you. Your width along with other measurements could be different then theirs. If you want natural looking breasts 350cc moderate plus would in my opinion be the more natural looking of the two but I have also not seen a picture of your anatomy. The moderate plus implants have a larger width with less of a forward projection. High profiles are more narrow in their width but they stick out further because they have more foward projection to them. So if your breast is wider than your friends breasts you would do better with a moderate profile because you would need to fill in the left to right dimension of your breasts. I hope my explanation made some sense to you and was helpful. 

There are no absolute rules when it comes to selecting the appropriate breast implant for a specific patient.  In many ways, breast augmentation surgery (similar to other plastic surgical procedures) is as much an art, as it is a science.
 Keys to success:
1. Careful selection of plastic surgeon.
2. Careful communication of your goals (in my practice I prefer the use of goal pictures, direct examination/communication in front of a full-length mirror, in bra sizers, and computer imaging).
3. Careful measurements (dimensional planning) will be critical.
4. Skillful execution of the procedure,  involving many critical steps, including careful dissection of breast implant pocket.
 Generally speaking, the best online advice I can give to ladies who are considering breast augmentation surgery ( regarding breast implant size/profile selection) is:
1. Concentrate on choosing your plastic surgeon carefully. Concentrate on appropriate training, certification, and the ability of the plastic surgeon to achieve the results you are looking for. Ask to see lots of examples of his/her the morning yes thank you work.
2. Have a full discussion and communication regarding your desired goals with your plastic surgeon. This communication will be critical in determining breast implant size/type/profile will most likely help achieve your goals. 
In my practice, the use of photographs of “goal” pictures (and breasts that are too big or too small) is very helpful. For example, I have found that the use of words such as “natural” or "C or D cup" or "too large" etc means different things to different people and therefore prove unhelpful.
Also, as you know, cup size varies depending on him who makes the bra; therefore, discussing desired cup size may also be inaccurate. Again, the use of computer imaging has been very helpful during the communication process, in our practice.
3. Once you feel you have communicated your goals clearly, allow your plastic surgeon to use his/her years of experience/judgment to choose the breast implant size/profile that will best meet your goals. Again, in my practice, this decision is usually made during surgery, after the use of temporary intraoperative sizers.
I hope this helps. Best wishes for an outcome that you will be very pleased with.

Implants are made of various shapes and sizes. In the same volume, you can have implants that are flatter,wider, and less projected (moderate profile) or narrower and more projected (high profile). Which implant that is ideal for you depends on your breast mound measurements. You should really consider a consultation with a breast expert so that your implant size and shape can be customized to your needs.

Volume including that of implants comes in three dimensions. "profile" is the forward dimension. The proper way to size implants is to match the diameter of a circular implant to the diameter of the breast upright with arms down minus a bit for the skin/fat layer. The choice is then the forward volume (profile) that comes in low, medium, moderate plus, and high profiles. Unless the breast is unusually wide or narrow, a low profile implant that fits the base width of the breast will make the breast look about one cup size larger. Medium increases it by about 1 1/2 cup sizes and high profile by about two cup sizes. All should fit and look natural if in the sub-pectoral position with a lower pole release of the pec. You can pick the profile but not the width and then look up the dimensions of the implant and see how many cc's that is.