Prevalence of bone loss in a group of Brazilian teenagers assessed on bite‐wing radiographs

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Abstract
Bite‐wing radiographs were used to assess periodontal disease in 304 Brazilian 15‐year‐old schoolchildren from a population with a low socioeconomic status. The criterion for destructive periodontitis was a distance from the cementoenamel junction to the alveolar crest greater than 2 mm. 90 subjects were excluded, mainly due to missing first molars. Bone loss was diagnosed in 28% of the subjects. More males than females were affected. 50% of all lesions were observed adjacent to first molars. The juvenile periodontitis type of lesion was found in 8 subjects. It was concluded that in young populations bite‐wing X‐rays seem to be valuable in screening for individuals with incipient bone loss as well as for identification of subjects with juvenile periodontitis. In community programs regular use of this kind of roentgen examination is therefore recommended.