Infraposition of anterior maxillary implant‐supported single‐tooth restorations in adolescent and adult patients—A prospective follow‐up study up to 6 years

Background In the maxillary incisor area infraposition of implant restorations can be an esthetic problem. Purpose The aim was to analyze the prevalence of infraposition of single‐tooth implant restorations in the anterior maxilla in adolescent and adult patients. Material and Methods The study comprised of 31 patients, 18 women and 13 men, with 39 restorations and with a mean and median age of 23.8 and 18.8 years, range 17.8 to 52.8 years, at the time of implant crown connection. The mean and median time in function for the restorations was 4.5 and 4.3 years respectively with a range of 3.3 to 6.6 years. Results Twenty restorations 51%, showed no signs of infraposition. A slight infraposition (