Nightguard vital bleaching of tetracycline-stained teeth: 54 months post treatment.

摘要: PURPOSE The purpose of this longitudinal whitening study was to determine the stability, post-treatment side effects, and patient satisfaction after 6 months active treatment tetracycline-stained teeth with 10% carbamide peroxide at 0 54 post treatment. MATERIALS AND METHODS Twelve patients who completed (80%) were contacted asked participate in a survey concerning their experience. Subjects whether there had been any change shade treatment, if they experienced effects that believed treatment-related. Eight twelve underwent clinical examination. RESULTS Ten (83%) reported no obvious or only slight darkening not noticed by others. Two (17%) is probably noticeable other people, but one moderate significant back original shade. All respondents (n = 12) denied having have crown root canal Examiners compared preoperative photographs Vita values agreement patient's perceptions change. degree improvement for both immediate (0 mo) 54-month comparison pretreatment (p < .005 p .01 respectively). CLINICAL SIGNIFICANCE Results nightguard vital bleaching indicate can be whitened successfully using extended time, stability may last least Patients participated overwhelmingly positive about procedure terms retention lack effects.