[The clinical results of combined periodontal-orthodontic treatment on patients with periodontitis and labial displacement of incisors].

Purpose: To evaluate the clinical effects of combined periodontal and orthodontic method in treating labial displacement of anterior teeth caused by periodontitis.

Methods: 21 cases with periodontitis and fly-out of anterior teeth were selected. After the inflammation was controlled by essential periodontal therapy, the anterior teeth were allied by edgewise appliances; meanwhile, periodontal care and occlusal adjustment were conducted to control inflammation and occlusal trauma, until normal occlusion was established.