Early identification of permanent maxillary canine impaction: A radiographic comparative study in a Mexican population.

J Clin Exp Dent 2019 Mar 1;11(3):e282-e286. Epub 2019 Mar 1.

DDS, MSc, PhD, Pediatric Dentistry Postgraduate Program, Faculty of Dentistry, San Luis Potosi University, San Luis Potosí, SLP, México.

Background: Opportune diagnosis, prediction, and interceptive treatment of permanent maxillary canine (PMC) impaction is fundamental for pediatric dentists and orthodontists. In children and young adolescents, diagnostic information obtained from a panoramic radiograph is valuable for the overview and prediction of a potential PMC ectopic eruption into the oral cavity. The aim of the present study was to calculate and compare the prevalence of impaction of PMC in a Mexican pediatric sample (7 to 13 years old), through the use of the Ericson & Kurol (EK/L) and the Power & Short (PS) measurement analyses performed on panoramic radiographs.

Material And Methods: This investigation was a cross-sectional study performed on 515 panoramic radiographs, which were evaluated to assess the intraosseous position of right and left PMC, from patients who had attended our clinic between 2010 and 2017. Both analytical methods were applied on the same radiography. Outcomes from both analysis methods were expressed dichotomously (impacted or non-impacted). Thus, prevalence was calculated from each method, and the difference between them was verified through the Pearson's Chi-square test.

Results: No statistical difference could be detected between both prevalence rates ( = 0.475). It was found a significant predilection of the condition to the female sex ( = 0.034). Further, the two radiographic methods employed here were highly concordant each other (kappa = 0.92).

Conclusions: Through the EK/L method a PMC prevalence of 5.64% (95% CI = 3.66, 7.62) was obtained, while the PS Method the prevalence was 8.83% (95% CI = 6.38, 11.28). In addition, a significant predilection of canine impaction to the female gender was found. Maxillary canine impaction, prevalence, radiographic analyses.

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http://www.medicinaoral.com/medoralfree01/aop/55285.pdf
Publisher Site
http://dx.doi.org/10.4317/jced.55285DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6461733PMC
March 2019
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