Can i repair my car's old dent with new insurance?

Actually i got a dent for my car few months back.and now i am thinking to change my car insurance comapy where i can get for low insurance price,soo after i changed to another new insurance company,will the new company repair my car's old dent?or will the new insurance company will charge me more insurance by seeing the dent?wat is the procedure,iam confused abt all these.