随着牙周组织再生技术的发展与进步，越来越多的学者报道可通过意向性牙再植术治疗重度牙周炎患牙。对于已经具备拔牙指征的重度牙周炎患牙，意向性牙再植术已经成为保存天然牙最后的可能手段。然而意向性牙再植术的适应证要求严格，手术能否成功与病例的选择和医生的操作技能密不可分。本文探讨意向性牙再植术治疗重度牙周炎患牙的适应证和操作步骤，并结合文献和病例分析影响重度牙周炎患牙意向性牙再植术预后的相关因素，为临床医生了解和掌握该项手术技术提供参考。

With the development of periodontal regenerative technology, an increasing number of scholars reported that advanced periodontitis involving teeth can be preserved through intentional replantation. Intentional replantation has become the last possible method to preserve natural teeth for advance periodontitis with signs of tooth extraction. However, the indications of intentional replantation are strict, and the success of the operation is closely related to the condition of cases and the operation skills of doctors. In this article, the operation steps and criteria of intentional replantation were summarized by introducing three success cases of advanced periodontitis involving teeth preserved by intentional replantation. The relevant factors that affect the prognosis of intentional replantation in advanced periodontitis involving teeth preservation were analyzed to help clinicians preserve natural teeth.