Bleaching tetracycline-stained vital teeth☆

摘要: Abstract 1. Six patients with cystic fibrosis, ranging in age from 6 to 18 years, were selected at random for a preliminary study of technique bleaching vital teeth which stained by tetracycline administration. 2. Bleaching was accomplished warming 30 per cent hydrogen peroxide solution approximately 88° F. hand-held heating source placed over the external surface tooth minutes. The kept contact means gauze matrix. 3. Each patient given eight treatments, generally one-week intervals, and seen treated monthly thereafter. 4. There significant esthetic improvement five six patients. results evaluated on basis clinician's observations, pre- postoperative color photographs, recorded comments their parents.