<prompt> Human: So I made a crown appointment at my dental office with my new dental insurance as I recently changed employers. I gave them my new insurance information right off of the card. We only accept PPO policies is what the receptionist says. I told her that I have an options PPO policy. She says fantastic. Fast forward a few days before the crown prep appointment I decided to give them a call since they have yet to give me an estimate. They estimated 680 is what I will have to pay out of pocket. I go in and pay and get the crown prep. Few days later I noticed on my insurance company portal that they denied the entire claim and gave me the full responsibility. I freaked out. I called the insurance immediately. Apparently the plan has a 1 year waiting period and had to ask wtf that was. The rep told me wtf it meant and I nearly died. She also told me that the dentist was out of network. The big deal however is this whole waiting period stuff. The rep only advised me to talk to the office manager of the dentist office. I called and spoke to the manager next day. Explained all this to her. She was completely shocked and just told me they will have to look into it. The next time they ever called me back is today which is the day I get the main crown in. I didnt get the manager. Got the receptionist and basically told me there is nothing they can do. No self pay option. Nowhere to work out a deal. Only option she gave me is I could pay the extra 650 over a few payments but could not get the crown in until fully paid. I asked if we could just settle with the initial agreement and she said there was nothing they can do.Im sitting here in the office now waiting for the crown. I paid up because I dont want to talk to these scammers anymore. Im devastated as this was supposed to go towards Christmas presents. Im throwing money away.Im coming here to ask if there is anything at all I can do. I know I have appeal rights with the insurance company, but I doubt itll do anything. Now I will acknowledge that it is completely up to the patient to check their benefits. I completely understand that. I screwed up. I didnt bother just because this office got me an estimate right away and of course they are so adamant about being an in network provider just because a dental card says PPO? Ive have medical procedures done, fillings, other outpatient procedures performed and this has never happened to me. I just cant shake the thought that this office will not own up and just take a loss of the remaining of the bill.  <response>: an estimate is just that, an estimate. its not written in stone. its your responsibility to know your benefits, not the dentists office. 