OBJECTIVE Traumatic dental injuries often affect the dental hard tissues, periodontal tissues, and dental pulp. Root resorption (RR) is a significantly concerning phenomenon that could lead to loss of the traumatized tooth. The purpose of this systematic review was to analyze the incidences of different types of RR after concussion, subluxation, lateral luxation, intrusive luxation, and extrusive luxation. MATERIAL AND METHODS Seven databases were electronically and manually searched for the identification of observational studies that evaluated the incidence of RR after luxation injuries. Following study selection, data extraction, and risk of bias assessment through MAStARI checklist, the GRADE quality of available evidence was assessed. RESULTS In total, 14 studies were included in the present systematic review. Ten and four studies presented a moderate and low RoB, respectively, and the overall GRADE quality of evidence was "very low" for all outcomes. The highest incidence rates of RR were observed for teeth with intrusive luxation, followed by those with extrusive luxation, lateral luxation, subluxation, and concussion. In general, the most common type of RR documented for all injuries was inflammatory RR, followed by replacement RR, surface RR, and internal RR. CONCLUSIONS Our findings suggest that RR most commonly occurs in association with intrusive luxation and by inflammatory RR. Awareness regarding the incidence of RR after injuries is useful for clinicians to minimize the risk and severity of its occurrence, because a late diagnosis of RR may limit treatment alternatives and result in tooth loss. CLINICAL RELEVANCE Knowledge about the incidence of RR in teeth with concussion and different types of luxation injuries can ensure appropriate follow-up protocols and favorable outcomes.

中文翻译：

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脑震荡，半脱位，侧脱位，侵入和挤压后根吸收的发生率：系统评价。

目的外伤性牙齿损伤通常会影响牙齿的硬组织，牙周组织和牙髓。牙根吸收（RR）是一个非常令人担忧的现象，它可能导致受创伤的牙齿脱落。该系统评价的目的是分析脑震荡，半脱位，侧向脱位，侵入性脱位和挤压性脱位后不同类型RR的发生率。材料与方法通过电子和手动搜索七个数据库，以鉴定评估脱位性损伤后RR发生率的观察性研究。在进行研究选择，数据提取以及通过MAStARI清单进行偏倚评估的风险之后，对可用证据的GRADE质量进行了评估。结果本系统评价总共包括14项研究。十项和四项研究分别给出了中等和较低的RoB，并且所有结果的总体GRADE证据质量都“非常低”。侵入性脱位的牙齿观察到RR的发生率最高，其次是挤出性脱位，侧向脱位，半脱位和脑震荡的牙齿。通常，所有损伤中最常见的RR类型是炎症性RR，其次是置换性RR，表面性RR和内部性RR。结论我们的研究结果表明，RR最常与侵入性脱位和炎性RR相关。对RR在受伤后的发生率的了解有助于临床医生将其发生的风险和严重程度降至最低，因为RR的晚期诊断可能会限制其他治疗方法并导致牙齿脱落。