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. 2018 Apr;30(2):155-160.
doi: 10.1016/j.sdentj.2017.12.006. Epub 2018 Jan 9.

Maxillary lateral incisor agenesis; a retrospective cross-sectional study

Naji Ziad Arandi  1 , Shockry Mustafa  1
Affiliations

Maxillary lateral incisor agenesis; a retrospective cross-sectional study

Naji Ziad Arandi et al. Saudi Dent J. 2018 Apr.

Abstract

Objective: This study aims to estimate the prevalence of congenitally missing lateral incisors in a sample of 2662 dental patients in Palestine.

Methods: A total of 2662 digital panoramic radiographs were retrospectively examined for the presence of congenitally missing permanent lateral incisors. The radiographs were obtained from the archival records of patients attending a local dental center at the city of Nablus in Palestine.

Results: The prevalence of missing lateral incisors among the examined population (n = 2662) was found to be 1.91%. Unilateral agenesis accounted for 66.6% of the total cases that showed at least one missing lateral incisor. Around 79% of the unilateral cases were on the left side while 21% were on the right side. Bilateral agenesis accounted for 33.3% of 34 cases that had at least one congenitally missing permanent maxillary lateral incisor.

Conclusion: The prevalence of missing maxillary lateral incisors in this study population was 1.91%) which was within the range reported in different populations.

Keywords: Permanent maxillary lateral incisors; Prevalence; Retrospective; Tooth agenesis.

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