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Revista clínica de periodoncia, implantología y rehabilitación oral

On-line version ISSN 0719-0107


TRONCOSO-PAZOS, Jorge et al. Relationship between intercanthal distance and width of maxillary anterior teeth in young chilean population. Rev. Clin. Periodoncia Implantol. Rehabil. Oral [online]. 2017, vol.10, n.1, pp.54-56. ISSN 0719-0107.


Intercanthal distance (ICD) is a parameter used to select the upper anterior teeth and the most stable measurement overtime. However, it is variable between race and populations, particularly in South America. The aim of this study was to establish the correlation between ICD and the width of maxillary anterior teeth in young adult population from southern of Chile.

Materials and Methods:

A Cross-sectional study was designed. One Hundred eleven volunteers students (average age 22.4 years; 65.7% men) from Valdivia city (southern of Chile) were included. ICD and mesiodistal width of maxillary central incisor, linear distance of the four upper incisors and linear distance of the six upper front teeth in plaster study models weremeasured. The mean of difference measurement between sex (ttest; p<0.05) and the linear correlation between DIC and the width of the upper anterior were analyzed (r=0.8; p<0.05; STATA v.10.0).


All measurement were significantly higher in male than female (p<0.05). A statistically significant correlation between ICD and distance of the four upper incisors (p=0.04) and the six upper front teeth (p=0.03) were observed. A 1:0.94 and 1:1.28 ratios between ICD with the linear distance of the upper incisors and the six maxillary anterior were obtained respectively.


ICD presented a linear and proportional correlation with maxillary anterior teeth. With these results it is possible to estimate the linear width of the upper front teeth in young adult population from southern of Chile.

Keywords : Intercanthal Distance; maxillary anterior teeth; oral rehabilitation; prosthetics; anthropometry; Chile.

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