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黑三角在口腔临床中是较为常见的现象,其病因、诊断和治疗涉及牙周、修复、正畸等多个学科,临床诊疗过程中需要加强对黑三角的认识,注意多学科的密切合作,才能有效地预防黑三角的发生。随着审美意识的增强,正畸患者对治疗提出了更高的要求。正畸治疗后黑三角的发生不仅影响美观,而且严重影响了患者的牙周组织健康、咬合关系以及牙齿排列的稳定性。本文通过对切牙区黑三角在正畸治疗中的发病情况、相关危险因素、诊断、治疗和预防等作一综述,以期为临床提供参考。
The Black Triangle is a common phenomenon in oral clinical practice. Its etiology, diagnosis and treatment involve many disciplines such as periodontal, prosthesis and orthodontics. During the clinical diagnosis and treatment, it is necessary to strengthen understanding of the Black Triangle, pay close attention to the close cooperation among many disciplines, Can effectively prevent the occurrence of the black triangle. With the increase of aesthetic awareness, orthodontic patients put forward higher requirements for treatment. Occurrence of the black triangle after orthodontic treatment not only affects the appearance, but also seriously affects the patient’s periodontal tissue health, occlusal relationship and the stability of dental arrangement. This article reviews the incidence, related risk factors, diagnosis, treatment and prevention of the black triangle in the incisor area for orthodontic treatment, in order to provide a reference for clinical practice.