can i use the max out of a dental plan, then switch to another and use the max, etc.?

i have around 7000 dollars worth of work that needs to be done to my teeth, (non cosmetic) but i see most dental insurance plans only cover up to around 1000 dollars max. can i just use that up, then drop them and switch to another company and use that up, and so on and so forth?
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if you could do this, don't you think that we would all do this? that's what makes the premiums so high...when people do this. You need to find a dental plan and look over the guide lines, then you'll know what they will do.
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