First of all have you signed a consent form prior to placement of the implants?secondly were all implants placed at the same time for you to have been charged that amount ?many a times patients expectations do not match the realistic outcome of treatment ,were or you asked what your expectations was prior to treatment?lastly as implant placement involves drilling through bone ,the quality and the quantity of bone both are very important for the success of the implant and based on the vascular its which is the blood supply to the bone there will be symptoms associated with it,as far as records are concerned you have a right to obtain them,you can send a written request to them ,authorizing release,healing of the bone depends on many factors like I mentioned the type of bone and it's vascularity,authorizing ND the immune system ,lastly if you do have any periodontal desease?delayed healing can occur resulting in pain.you also mentioned non dental symptoms what are you experiencing?

Jyoti Bhatnagar