EVALUATION OF CHANGES IN NASOPALATINE CANAL MORPHOLOGY ACCORDING TO DENTITION STATUS BY COMPUTED TOMOGRAPHY

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küçükekenci a. s., SERINDERE G.

Kocaeli Üniversitesi Sağlık Bilimleri Dergisi, vol.6, no.3, pp.233-237, 2020 (TRDizin)

Abstract

Objective: The nasopalatine canal (NPC) is one of the important anatomic structures in anterior maxilla. The aim of this study was to evaluate thechanges in NPC morphology according to dentition status in the maxillary anterior region by computed tomography (CT).Methods: Computed tomography images of 100 patients were screened retrospectively. Images were divided into two groups by dental status: anedentulous group (EG) of 50 patients who have edentulous premaxilla and a control group (CG) of 50 patients who have all incisor teeth in thepremaxillary region. After recording the age, sex, and dentition status of the patients, the NPC diameter, NPC length, incisive foramen (IF) diameter,and angle between the NPC and palatine bone were measured in sagittal sections, and the number of NPCs was determined in axial sections.Results: There was no significant difference between NPC angle and dentition status (p=0.151). The NPC diameter was significantly higher in theEG (p=0.002), as was the IF diameter (p=0.041). In addition, NPC length was significantly higher in the CG (p<0.001). A statistically significant andnegative correlation was found between age and NPC length (p<0.001), and a positive correlation was found between age and NPC diameter(p=0.004). In addition, no statistically significant difference was found between sex and other parameters (p>0.05).Conclusion: The NPC length and diameter vary according to the age and dentition status of the patient. Changes in this anatomic structure should beevaluated pre-operatively in elderly patients by three-dimensional radiographic evaluation.