ArticleFrontiers in oral health2026
Morphological and morphometric characteristics of the nasopalatine canal in dentate and completely edentulous patients: a cone-beam computed tomography cross-sectional study.
Article in Frontiers in oral health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Anatomical changes associated with tooth loss may alter the morphology and dimensions of the nasopalatine canal, potentially affecting implant planning. However, comparative evidence between dentate and completely edentulous maxillae remains limited. This study aimed to evaluate and compare the morphological and morphometric characteristics of the nasopalatine canal and the anterior bone region in dentate and completely edentulous patients via cone-beam computed tomography (CBCT). Methods: Cross-sectional CBCT analysis was performed on 108 patients (54 dentate maxillae and 54 completely edentulous maxillae). Morphometric parameters of the nasopalatine canal and the bone anterior to the canal were measured in the axial, sagittal, and coronal planes. Interobserver reliability was assessed via intraclass correlation coefficients (ICCs) and Cohen's kappa. Intergroup comparisons were conducted via regression models adjusted for age and sex. Results: Compared with the completely edentulous group, the dentate group presented a significantly greater nasopalatine canal length (mean difference: 1.66 mm; 95% CI: 0.42-2.90; Conclusions: Completely edentulous patients exhibit wider and more angulated canals but reduced canal length and anterior bone volume.
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