IDEAL Implants vs. regular saline?

I've been to few consultations in the GTA. However, the doctor's I've seen do not offer the new IDEAL implants and cannot answer my questions. Can I get the ideal implant done through a transaxillary incision and under the pectoral muscle? In consultation I was told to go for moderate profile, 420-450cc. I'm afraid that this is too large for my frame, I am 5'4" weighing 110lbs. I'm also afraid if I go for "gummy bear silicone" it will be more than my budget after tax, which is $12K.

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