Abstract
Objective: The purpose of this study was to deter-mine the prevalence of agenesis and malformation of maxillary lateral incisors in orthodontic patients. Study design: Cross sectional study. Place and Duration of Study: Department of Ortho-dontics, Faculty of dentistry, the University of Lahore, Pakistan; from January 2007 to march 2010. Patients and Methods: The data (history sheets, dental casts and panoramic radiographs) of 230 pati-ents (36.5% males, 63.5% females; mean age: 16.4 years) were randomly selected from orthodontic pati-ent's record. Congenital absence, size and shape of maxillary lateral incisors was noted. Patients with cleft lip and palate, ectodermal dysplasia or having any syndrome were excluded from the study. Results: The prevalence of small size lateral incisors was 5.6%. The prevalence of peg lateral was 1.3% and agenesis of maxillary lateral incisors was found in 2.17% of the patients. Conclusion: The prevalence of small maxillary lateral incisors is high as compared to other lateral incisor anomalies. Key words: Prevalence, maxillary lateral incisors, malformation.
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