Should I get a lawyer?

First off my spelling and grammar sucks So almost two weeks ago i bit down on metal in my food at a restaurant and it cut my mouth and caused 6800 worth of dental work that i am gonna need i also had to go to the dr and get a shot and antibotics and pain meds they also said it will take 6 to 9 months to heal the manager and dustrict manager keep saying they turned the paperwork to there insurance company then i ask agian and they say oh i will do it tomorrow so now they said they turned it in and the insurance company will contact me i contacted a lawyer to ask questions they said the insurance company will never pay unless i sue them i dont know if this is true i just want my mouth fixed im in so much pain does anyone knew if that is true i just want to see what would be best ?