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Year : 2015  |  Volume : 5  |  Issue : 8  |  Page : 82-88

Analysis of the greater palatine foramen in a Lebanese population using cone-beam computed tomography technology

1 Department of Oral Pathology and Diagnosis; Fundamental Sciences; School of Dentistry, Lebanese University, Beirut, Lebanon
2 Department of Dentomaxillofacial Radiology, School of Dentistry, Lebanese University, Beirut, Lebanon
3 Department of Orthodontics, School of Dentistry, Lebanese University; Department of Orthodontics and Dentofacial Orthopedics, American University of Beirut, Beirut, Lebanon

Correspondence Address:
Georges Aoun
Departments of Oral Pathology and Diagnosis and Fundamental Sciences, School of Dentistry, Lebanese University, Beirut
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2231-0762.171594

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Objective: The aim of this study was to describe the diameter and the position of the greater palatine foramen (GPF) in relation to adjacent anatomical landmarks in the maxilla in a Lebanese population using cone-beam computed tomography (CBCT) technology. Materials and Methods: CBCT images of 58 Lebanese adult patients were included in this study and a total of 116 GPF were evaluated bilaterally. The diameter of the GPF and its position relative to the maxillary molars, and distances to the midline maxillary suture and to the anterior nasal spine were analyzed. Results: Of all foramina assessed, 41.38% were located opposite to the third molar, 29.31% were distal to it, 27.59% were between the second and the third, and only 1.72% were opposite to the second. The average diameter was 5.633 mm on the right and 5.723 mm on the left, and the average distances to midline maxillary suture and anterior nasal spine were 16.228 mm and 48.294 mm on the right and 14.907 mm and 48.122 mm on the left, respectively. Conclusion: Within the limits of this study, we conclude that in Lebanese patients, the GPF location is variable, very rarely opposite to the second molar, and more closely related to the third, but may present mesial or distal to it in one-fourth of patients.

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