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Title: Evaluation of the follicular space volume of lower third molars with different impaction positions and angulations : a cone-beam computed tomography and histopathological study
Autores: Barroso De la Cruz, Marlene
Arriola-Guillen, L. E.
Dutra, V.
Escoto Rodríguez, Julio M.
Ruales Suárez, G.
Researchers (UNIBE): Barroso De la Cruz, Marlene 
Escoto Rodríguez, Julio M. 
Affiliations: Facultad de Ciencias de la Salud 
Facultad de Ciencias de la Salud 
Research area: Ciencias de la Salud
Keywords: Follicular space; Impacted lower third molar; Pericoronal pathosis; CBCT; Diagnostic imaging
Issue Date: 2023
Publisher: Elsevier BV
Source: Heliyon, 9(4), e15013; 2023
Journal: Heliyon 
Volume: 9
Issue: 4
Start page: e15013
Objective: To quantify the volume of the follicular spaces of impacted lower third molars (ILTMs) with different impaction positions and angulations using cone-beam computed tomography (CBCT) and to determine its association with the histopathological findings.
Study Design: This study included 103 ILTMs of 33 men and 70 women aged 18–46 years (mean age, 29.18 years). The follicular space volumes were measured on CBCT by manual segmentation and correlated with the histopathological diagnosis of each ILTM having different impaction positions and angulations. Statistical Product and Service Solutions,version 24, was used for statistical analyses by applying the t-test and binary logistic regression and multiple linear regression tests (p<0.05).
Results: Overall, 83 (80.6%) dental follicles presented a non-pathological diagnosis (mean follicular volume, 0.10 cm3), whereas 20 (19.4%) presented a pathological diagnosis (mean follicular volume, 0.32 cm3; p=0.001). Similarly, the impaction depth in Position C cases was associated with a pathological diagnosis (p=0.010).
Conclusion: The follicular volume of the ILTMs varied significantly in teeth with a histopathological diagnosis of a follicular cyst and was associated with the impaction depth, mainly in Position C cases, and its relationship with the mandibular ramus. A mean follicular volume of 0.32 cm3 was associated with a greater probability of a pathological diagnosis.
Ethical Approval: Participants were informed about the objectives of the study and written informed consent was obtained. The study was approved by the Ethics Committee for Human Studies, Iberoamericana University (UNIBE), Dominican Republic (certificate number: CEI2022-19).
Appears in Collections:Publicaciones del Área de Salud - Odontología
Publicaciones indexadas en Scopus / Web of Science

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