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  • Title: Incidence of root resorption after concussion, subluxation, lateral luxation, intrusion, and extrusion: a systematic review.
    Author: de Souza BDM, Dutra KL, Reyes-Carmona J, Bortoluzzi EA, Kuntze MM, Teixeira CS, Porporatti AL, De Luca Canto G.
    Journal: Clin Oral Investig; 2020 Mar; 24(3):1101-1111. PubMed ID: 31953685.
    Abstract:
    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.
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