Fenestration and dehiscence frequency in maxillary teeth with apical periodontitis: a CBCT study





Cone beam computed tomography, Fenestration, Dehiscence, Maxillary teeth, Endodontically treated teeth


Introduction: to determine the frequency of fenestration and dehiscence bone defects present in maxillary teeth with apical periodontitis, mainly in teeth with endodontic treatment, as they are frequently cause of nonspecific symptoms after treatment. Methods: 1201 Maxillary Cone Beam Computed Tomography (CBCT) exams were analyzed and 803 teeth with apical periodontitis were selected. Results: of the teeth with apical periodontitis, 142 had a fenestration defect (18%) of which 105 teeth (74%) were endodontically treated. The highest frequency was observed in premolars, with no statistical differences between groups. Dehiscence defect was found in 139 teeth (17%) out of which 90 (65%) were endodontically treated. The highest frequency was observed in molars, with statistical differences in relation to other tooth types (p< 0.001). Conclusion: an important number of teeth with apical periodontitis present dehiscence or fenestration bone defects, especially in teeth with root canal treatment.

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Author Biographies

Héctor Monardes, Universidad San Sebastián

Specialization Program in Endodontics, Faculty of Dentistry, Universidad San Sebastián. Santiago, Chile

Karin Steinfort, Universidad San Sebastián

Endodontics Specialization Program, Universidad San Sebastián. Santiago, Chile

Nuria Almonacid, Universidad San Sebastián

Endodontics Specialization Program, Universidad San Sebastián. Santiago, Chile

Marcela Bustos, Universidad San Sebastián

Endodontics Specialization Program, Universidad San Sebastián. Santiago, Chile

Jaime Abarca, Universidad San Sebastián

Faculty of Dentistry, Universidad San Sebastián, Puerto Montt, Chile


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How to Cite

Monardes, H., Steinfort, K., Almonacid, N., Bustos, M., & Abarca, J. (2021). Fenestration and dehiscence frequency in maxillary teeth with apical periodontitis: a CBCT study. Revista Facultad De Odontología Universidad De Antioquia, 33(1), 36–44. https://doi.org/10.17533/udea.rfo.v33n1a3

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