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Bradley Bengtson, MD

Grand Rapids Plastic Surgeon

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Recent answer posted by Bradley Bengtson, MD

Q: Do silicone and saline implants weigh the same?

A:

This is a really insightful question. I gave a paper at our past National Aesthetic Society (ASAPS) on this topic specifically: "Differences between Silicone and Saline Implants Plastic Surgeons Need to Know"

Saline implant shell have weight and contribute up to 15-25 grams or cc's depending on the size of the implant. This is important because saline implants are filled in surgery and come empty. Silicone implants come pre-filled and actually their weight includes their shell, so as an example, if we are exchanging a patient's saline implants that were 300cc implants filled to 330cc's the implant actually weighs 350 cc's or ~350 grams. So if we are replacing a 330cc saline implant and put a 330 cc silicone gel implant in, it is actually 20cc's smaller. Also, the gel implants have less projection so will be slightly and look slightly smaller.

Next, Saline is actually more dense and weighs more than silicone gel. It is not a lot, ~.990  grams (gel) vs 1.02 grams (saline), but even 0.1 gram difference with a 500 gram implant is 50 grams or up to 50cc's different.

You need to recognize however that 30 cc's is only 2 tablespoons and it takes about 100 cc's difference for you to visualize a difference inside the body. But the answer is yes, there is a difference. The patient and the plastic surgeon need to know and discuss these differences. They are subtle, but measurable.

Board certification
EducationUndergraduate:
Chemistry and Biology, Anderson University, 1982

Medical School:
Indiana University School of Medicine, 1986
Post-medical school training Residency:
General Surgery and Plastic Surgery, Grand Rapids Area Medical Education, 1991

Fellowship:
Breast Reconstruction and Microvascular Surgery, MD Anderson Cancer Center
Aesthetic medicine experience 18 years (post-medical training)
Professional membershipsAmerican Society for Aesthetic Plastic Surgery (ASAPS)
Hospital affiliations Spectrum Health
Medical or professional licenseMI
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LocationCenter for Aesthetics and Plastic Surgery
2680 Leonard St, NE
Suite Four
Grand Rapids, MI View map
Last modified 7 months ago