[Multiple impaction teeth. Clinical and radiological study in patients with three or more impacted teeth].

The cause, the frequency, the complications and the surgical operation of impacted teeth is always an interesting subject of study and research. The purpose of this investigation was to determine the frequency and the kind of the teeth in the multiple impaction to Greek population. The material of this study was 1740 Greek (870 men and 870 women) over 20 years old. The results were: The percentage of patients with three or more impacted teeth was 11.37%. The 45.96% of these patients had 4 impacted teeth (P less than 0.0001), the 33.84%) had only 4 impacted wisdom teeth and 40 patients (20.20%) three. In the 53.03% of the cases presented only 3 or 4 impacted wisdom teeth and in the 30.81% of the cases 2 impacted wisdom teeth and other impacted teeth. The greatest percentage (82.83%) of the cases of multiple impactions comes from different impacted teeth. The greatest percentage (71.21%) of cases of multiple impactions was found in the posterior region of the jaws.