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Implant Dent. 2018 Aug;27(4):474-479. doi: 10.1097/ID.0000000000000794.

Evaluation of Anatomical and Volumetric Characteristics of the Nasopalatine Canal in Anterior Dentate and Edentulous Individuals: A CBCT Study.

Author information

Consultant, Türkiye Public Hospitals Agency, Ministry of Health, Turkey.
Associate Professor, Türkiye Public Hospitals Agency, Ministry of Health, Turkey.
Assistant Professor, Dentistry Faculty, Department of Dentomaxillofacial Radiology, Abant İzzet Baysal University, Bolu, Turkey.
Assistant Professor, Dentistry Faculty, Department of Dentomaxillofacial Surgery, İzmir Katip Çelebi University, Izmir, Turkey.
Professor, Faculty of Sciences, Department of Statistics, Ankara University, Ankara, Turkey.
Professor, Faculty of Dentistry, Department of Dentomaxillofacial Radiology, Ankara University, Ankara, Turkey.



To examine the nasopalatine canal (NPC) anatomical and volumetric measurements in anterior edentulous (AE) and anterior dentate (AD) individuals and to compare these findings according to sex, age, shape, and severity of resorption in the premaxilla.


Two hundred cone beam computed tomography images were divided into 2 groups: AE and AD. The diameter, the length of the NPC and the width, the length of the buccal bone anterior to the NPC were measured and recorded. Linear and volumetric measurement results were evaluated in terms of age, sex, dental status, shape, and severity of resorption.


No significant differences were observed between the AE and AD groups in terms of the NPC volume (P = 0.289). In the AE group, the spindle shape had the highest volume, and in the same group, with aging, the volume significantly increased (P = 0.00). The mean NPC volume was found to be statistically significantly larger in males than females (P = 0.02). A statistically significant relation was observed between NPC volume and resorption status.


Severe bone resorption due to sustained edentation complicated implant surgery because of the increase in incisive and nasal foramen diameters and decrease in buccal residual bone dimensions. The NPC volume was found fewer in edentulous patients, and by the resorption, the volume was decreased.

[Indexed for MEDLINE]

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