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Morphometric differences of nasopalatine canal based on 3D classifications: descriptive analysis on CBCT.

A Fernández-Alonso¹, J A Suárez-Quintanilla, O Rapado-González

¹Department of Stomatology, Medicine and Dentistry School, University of Santiago de Compostela, C/Entrerrios S/N, 15872, Santiago de Compostela, Spain.

Surgical and Radiologic Anatomy : SRA

|March 31, 2015

Summary

This study found significant morphometric differences in the nasopalatine canal (NC) and surrounding bone plates across sagittal, coronal, and axial planes. Presurgical CBCT analysis should include coronal and axial views for accurate premaxillary evaluation.

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Midface Hypoplasia and Cranial Base Morphology in Syndromic Craniosynostosis: A Comparative Analysis Study Using a Predictive Regression Model

Midface Hypoplasia and Cranial Base Morphology in Syndromic Craniosynostosis: A Comparative Analysis Study Using a Predictive Regression Model

Published on: November 4, 2025

Area of Science:

Dentistry
Oral and Maxillofacial Radiology
Anatomy

Background:

The nasopalatine canal (NC) is a crucial anatomical structure in the premaxillary region.
Understanding its dimensions and surrounding bone morphology is vital for surgical planning.

Purpose of the Study:

To analyze morphometric differences of the nasopalatine canal (NC), buccal bone plate (BBP), and palatal bone plate (PBP) across sagittal, coronal, and axial planes.
To evaluate these dimensions based on different classifications of the NC.

Main Methods:

A retrospective analysis of 224 CBCT scans was performed.
Measurements of NC, BBP, and PBP were taken at three distinct levels on the sagittal, coronal, and axial planes.
Statistical analysis included ANOVA with post hoc tests and intraobserver agreement assessments.

Main Results:

Significant differences in BBP length and PBP length were observed at level 1 based on coronal NC classification.
Nasopalatine canal length (NCL) varied significantly among different coronal NC types.
Axial classification revealed significant differences in linear measurements (LP) and PBP width (PW) at specific levels.

Conclusions:

Presurgical evaluation of the premaxillary region using CBCT should incorporate analysis of both coronal and axial planes, not solely the sagittal plane.
Morphometric variations exist across different NC classifications and planes, impacting surgical considerations.