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Erschienen in:
15.08.2023 | Original Scientific Article
Radiographic assessment of unerupted permanent maxillary canines and their relationship to the phases of dentition in mixed dentition Spanish children: a retrospective cross-sectional study
Erschienen in: European Archives of Paediatric Dentistry | Ausgabe 6/2023
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Purpose
Evaluate if there is a significant association between the position and inclination of the unerupted maxillary canine measured on a panoramic radiograph, and their relationship to gender, age of the patient and stage of dentition.
Methods
138 panoramic radiographs were examined for this retrospective cross-sectional investigation. Only patients living in Madrid, Spain with mixed dentition were included. These measurements were performed on radiographs, considering the inclination and position of the maxillary canines with regards to the midline, and height with respect to the occlusal plane. Spearman’s correlation coefficient was used to analyze the relation among the canine angle and height. p < 0.05 was considered to be significant.
Results
The prevalence of patients with an altered canine angle was 10%, while 43.5% had an apparently abnormal position (overlapping at least half of the adjacent lateral incisor root). No statistically significant association was found between these two variables. In 5% of the patients, the maxillary canine was with an anomalous angle and position. Significant differences were obtained when comparing canine height between children with ectopic canines and normal canines (p = 0.032).
Conclusion
No significant association was found between the position and inclination of the unerupted maxillary canine in our sample. Ectopic maxillary canines had a higher incidence in girls, although we did not find statistically significant differences between genders. We observed a higher prevalence of abnormal position and inclination of the permanent maxillary canine in early mixed dentition. Maxillary canines were significantly elevated, further from the occlusal plane, in children with ectopic canines.