Introduction: The curve of Spee constitutes one of the parameters of a balanced and sustainable occlusion which is part of a more global framework of postural balance. The objective of this work was to study the relationship between the parameters of the curve of Spee and the height of the inner arch of the plantar arch.
Materials and Methods: This was a cross-sectional descriptive study with analytical aim carried out at the Institute of Odontology and Stomatology of Cheikh Anta Diop University from November 2023 to October 2024. The study population consisted of students. The cephalometric determination of the radius of the curve of Spee and the arrows was carried out with the imaging software of Carestream Dental CS 9600.To determine the medial arch height, a caliper was used to determine the highest point along the soft tissue margin medial to the plantar curvature curve. This point was marked and measured.
Results: The mean radius of the SPEE curve was 99.65±3.9 mm. The mean right foot arch height (PHVD) of the study subjects was 29.9±4.4 mm; that of the left foot arch (HVPG) was 29.23±4.4 mm.The correlation coefficient between RCS-HVPD was 0.62; that between RCS-HVPG was 0.52.
Conclusion: As part of occluso-prosthetic rehabilitations, as well as postural balancing, the curve of Spee and the internal arch of the plantar vault should be integrated into therapeutic strategies for aesthetic and functional sustainability.
Keywords: Curve of Spee, Internal arch, Arch relationship
