| early-onset periodontitis in hispanic-american adolescents associated with a. actinomycetemcomitans. | this study examines the frequency of oral disease in an adolescent population, and assesses the relationship to actinobacillus actinomycetemcomitans. a total of 470 eighth grade students from san antonio, texas, were examined clinically for number of teeth, frequency of gingival inflammation, frequency of sites with bop, and frequency of sites with 3-5 mm pockets, and pockets > 5 mm. the population ranged in age from 12 to 17 yr and was 93% hispanic. heavy accumulations of plaque and calculus we ... | 1994 | 8205777 |