Prevalence of maxillary canine impaction in an Egyptian population: a retrospective study

Abstract

Objective: To determine the prevalence of maxillary impacted canines in Egyptian population and its relativity to gender, location, and side distribution. Materials and methods: Retrospective cross-sectional study of 7730 digital panoramic radiographs collected from Alexandria city in Egypt. The sample was examined for the presence of maxillary impacted canines. The radiographs were selected from the records of several private dental clinics and the archive of a radiographic center. Results: Among the panoramic radiographs analyzed, 229 radiographs had at least one maxillary canine impaction with a prevalence of 2.96%. The percentage of impacted canines in males was 36.24% and in females was 63.76%. A higher number of impactions were seen unilaterally 82.1% than bilaterally 17.9%. Right side impactions (42.79%) were less common than left side impactions (75.1%) in relation to the total number of radiographs with canine impactions. When including the unilateral impactions only, right side impactions were 24.89% while the left side impactions were 57.2%. Conclusions: The prevalence of maxillary impacted canines in the Egyptian population was found to be 2.96% of the sample collected from Alexandria city which lies within the range reported in other populations. The maxillary canine impactions occurred more in females, unilaterally and on the left side.

The Prevalence of Impacted Maxillary Canine Amongst Libyan Population in Western Region: A Retrospective Study

“…The present study demonstrates that patients with unilateral impacted maxillary canines (82.1%) were higher than those with bilateral impaction (17.9%). These findings are consistent with majority reported by other studies [12,13,15,18]. However, no significant difference in the prevalence of right or left canine impaction in the analysed data.…”

“…Prevalence of impacted maxillary canines among genders was comparable to other studies reported in literature [4,5,10,12]. In females was 3.1%, whereas in males 0.9% with significant association between gender and canine impaction (P < 0.05), indicating that females have higher prevalence of permanent maxillary canine impaction than males.…”

“…Many authors reported that maxillary canine impaction was more on the left side than right side [9,10,15,16]. In study by Samih et al, the side distribution in the unilateral canine impactions group only (82.1%, n=188) showed, 57 radiographs (24.89%) were with right-side impactions and 131 radiographs (57.2%) were with left-side impactions [12]. This agrees with studies of maxillary canine impaction in the Iraqi population revealed a high percent of impaction on the left side 57.1% than the right side 37.2% [13].…”

“…Sample sizes estimated for this work performed using Biomath online statistic package provided by division of Biomathematics/Biostatistics at Columbia University Medical Centre [11]. Outcome measures considered in this study were based on results from previous study [12]. Sample size calculations undertaken for different outcome measures using a power of 80 % and significance level (α) of 0.05 (twotailed) and these measures described below.…”

“…In another work, Kifayatuallah et al, examined 500 panoramic radiographs of Pakistani patients and reported only 20 (4%) patients had maxillary canine impaction [10]. Furthermore, Samih et al investigated records of 7730 patients from Alexandria, Egypt treated at several private dental clinics and their result revealed that 229 radiographs had at least one maxillary canine impaction with a prevalence of 2.96% [12]. A study done in Iraqi population involved assessment of 1050 Panoramic xrays for maxillary canine impaction revealed that the prevalence was 6.29% [13].…”