Revisión sistemática sobre el diagnóstico diferencial de lesiones radiotransparentes asociadas a terceros molares

Resum

Introduction: The dentigerous cysts are odontogenic cysts and epithelial malformation, by classification of tumors by the World Health Organization (WHO). It is most common after radicular cyst and are associated with the crown of a developing tooth, unerupted or included. Sometimes the presence of a dentigerous level of a third molar unerupted cyst can lead to misdiagnosis, and may be confused with the dental follicle of the tooth itself. Objectives: To determine what lucencies at the level of the third molars, are dental dentigerous cysts or follicles. Methods: A systematic review of published articles in the database Pubmed / Medline, Cochrane Database of Systematic Reviews, Embase and Ebsco data until March 1, 2013 inclusive was performed using keywords "third molar" AND the words " dentigerous cyst "AND" Dental follicle ". The criteria for inclusion of articles was established according to PICO format. Results: The results of the studies consulted, indicate that there is no standardized criteria, in terms of dimensions pericoronal level space, which are used by all the authors to distinguish the boundary between dental follicle and dentigerous cyst. Conclusions: It has been observed that the presence of a radiolucent image at the level of third molars is not always exclusive to when establishing a final diagnosis. Therefore, you must always include pathology, which will provide or corroborate the diagnosis.