龈乳头缺失形成的“黑三角”常常影响美观,造成口腔治疗美观性上的失败,对龈乳头的保护及丧失后的重建越来越受到重视。本文对龈乳头的解剖、影响其存在的因素、龈乳头的评价及重建方法作一综述。 The “black triangle” formed by the absence of gingival papillae often affects the appearance, which leads to the failure of aesthetics of oral treatment. More and more attention has been paid to the protection of gingival papillae and the reconstruction after the loss. This article reviews the anatomy of the papilla, the factors that influence its existence, the evaluation and reconstruction of the papilla.