Studies have shown that periodontal attachment and bone loss are uncommon findings in children, but its prevalence increases in adolescents. Another aspect to be pointed out is that the dentist must be tuned for the association that may be verified among obesity, periodontal disease and lipids. Thus, the aim of this study is to accomplish periodontal clinical and radiographic evaluation in adolescents and correlate with body weight condition. Adolescents from 12 to 18 years of age who seek treatment in dental clinics of the UNIFEB will be enrolled in this study. Anthropometric measurements shall include body mass index and waist circumference, which will be adjusted for age, considering percentiles. The radiographic examination will consist of two radiographies by the interproximal technique in the region of premolars and molars, being considered as alveolar bone loss if there is distance more than 2 mm between the enamel-cement junction and the alveolar bone crest. The following periodontal clinical parameters will be evaluated: visible plaque index, bleeding on probing, probing depth and clinical attachment level. Data will be submitted to parametric or non-parametric statistics, considering a significance of 5% by using the BioEstat 5.0® computer program.
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