Not really. Most skis will stay the same width for usually a few cm's in front and behind the recommended line. However often centre is past this point on asymmetrical skis, so you will be working against it, but on others it will be fine.
I'm not saying you can't or shouldn't centre mount them, just it's just usually not recommended unless the ski is symmetrical. However relating to the topic I don't think centre will work well on the Al Dente, with the rocker in the tip if you mount them forward you'll be skiing more tail then tip at centre. The recommended line that Armada gives for them is probably going to work the best.