Abstract
Periodontitis is an inflammatory condition that damages gums and can destroy the jawbone. Localized aggressive periodontitis (LAP) is the disease of dental supporting tissue which differs from chronic periodontitis because of: 1) fast progression 2) low rate of plaque index and calculus 3) History of familial periodontitis. The localized form usually occurs in puberty and damage is limited to permanent first molars and incisors that can lead to loss of teeth at an early age.
Aim: The aim of this study was to determine the prevalence of LAP in 15-18 years old male students in Bandar Abbas city.
Methods: In this cross sectional study, data were collected with observation, examination and questionnaire among Bandar Abbas male students using a multi-stage systematic cluster sampling method. An examination of students was performed in two steps, In the first stage randomly selected high schools were visited and all 15-18 year-old boys, whose parents has agreed could take part and who gave their consent were given a periodontal examination. Those students who had pockets of 4 mm or more in more than one tooth then attended the School of Dentistry and were evaluated radiographically. Patients diagnosed with localized aggressive periodontitis were thus identified. The ethics committee of the Hormozgan University of Medical Sciences approved the study.
Results: Among 949 students, after first step examinations, 11 students had probing depth of 4 mm or more, and after second stage evaluations two were diagnosed with LAP, so the prevalence was 0.2 percent.
Conclusion: There was no significant difference between prevalence of LAP in Bandar Abbas and other regions in Iran.
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