[Long-term evaluation of the periodontal status in extraction treatment].

In this article the periodontal status of the 30 patients which were treated with Edgewise mechanics, by extraction of four first bicuspids is evaluated approximately 5 years later the active treatment. Comparison of the pocket depths between the teeth moved into extraction areas and the other teeth, is made. And also the pocket depths of the parallel and non-parallel teeth in the extraction area are compared. It is found that orthodontic treatment had no adverse effect on periodontal status in long term. But non-parallel teeth in the extraction area showed much higher values of pocket depth when compared to parallel teeth.