| localized juvenile periodontitis and actinobacillus actinomycetemcomitans in a brazilian population. | localized juvenile periodontitis (ljp) has been used as a model for studying periodontal disease, and its prevalence is considered to be higher in third-world countries (0.3-8%) than in industrialized countries (0.1%). mostly, the disease has been associated with actinobacillus actinomycetemcomitans (a.a.) but lack of association has also been reported. the aim of this study was to identify ljp patients in geographically different brazilian populations and assess the presence of a.a. in their pe ... | 1997 | 9085023 |