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Erschienen in:
18.06.2022 | Original Article
5-fluorouacil in the treatment of odontogenic keratocysts—incidence of recurrence and inferior alveolar nerve paresthesia: a systematic review
Erschienen in: Oral and Maxillofacial Surgery | Ausgabe 3/2023
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Purpose
To evaluate the recurrence rate of odontogenic keratocyst (OKC) after treatment with 5-fluoracil as an adjunctive therapy and to evaluate, as well, the efficacy of this medication in reducing the incidence of inferior alveolar nerve paresthesia associated with other chemotherapeutic agents.
Material and methods
The research question (developed according to the patient/population, intervention, comparison, and outcomes [PICO] method) addressed was “Does the use of 5-fluorouracil as an adjunctive therapy in the treatment of OKC reduce both the recurrence rate and the incidence of inferior alveolar nerve paresthesia as compared with other chemotherapeutic agents?” A systematic review was performed by searching 4 databases: PubMed, EBSCO, Portal Evidencia, and Cochrane Reviews. Each search was conducted twice. Two independent reviewers evaluated the data. For each database, a search strategy was developed that included the following generic terms: Fluorouracil, 5-Fluorouracil, or liquid nitrogen and odontogenic cyst or odontogenic keratocyst. Three filters were applied to the searches, as well, consisting of the terms clinical trials, English papers, and Spanish papers.
Results
Of the 74 papers retrieved. The titles and abstracts of the selected papers were reviewed to determine whether those papers were relevant to our research question; only 3 papers were selected for this systematic review: 2 retrospective cohort studies and 1 clinical trial. Assessments risk bias and the quality of evidence were performed.
Conclusions
The risk of bias and quality of evidence in this systematic review are moderate due to the study’s design, although the clinical results were excellent with respect to the reduction of both OKC recurrence and paresthesia associated with this kind of cyst.