The vast majority of plastic surgeons and dermatologists still prefer needles when administering fillers, but another option has generated a fair amount of discussion, most recently at the South Beach Symposium on clinical and aesthetic dermatology last month.
This less-used method for delivering filler is the micro-cannula. Different from the larger cannulas used in suction procedures, the smaller, micro-cannula is only subtly different from the typical needles used. The most obvious difference is the rounded blunt tip, which some believe leads to less bruising during and post treatment. However, in order to use this cannula, the doctor will first have to create an entry point with a needle. So either method requires a needle at some point.
Anyone who is a candidate for fillers can be a candidate for fillers with cannulas. However aesthetic plastic surgeon Robert Singer, MD of La Jolla, CA, who has used both methods says there may be only a subtle difference between the results provided by the cannula-administered fillers and needle-injected fillers. “That is not the most significant part of the equation,” he says. “It’s much more important to consider who is administering the fillers, the artistry of that physician and the appropriate filler or fillers to use in a specific anatomical area. Treatment should be individualized. You should always look for a board-certified plastic surgeon or dermatologist to perform your fillers.”
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