Implants fail in less than 3 yrs causing gum problems. Periodontist indicated the crowns were positioned where they could not be cleaned. I have a le

You will need to obtain a complete copy of your dental records and have them reviewed by a personal injury (malpractice) lawyer. They will consult with an outside dentist or periodontist to determine if you have a viable claim.  The statute of limitations for medical malpractice (including dental) in the State of WI is three years. Failure to file a  lawsuit within three years from the date of the occurrence would forever bar your claim. If the treatment occurred approaching nearly three years ago, time is of the essence.