Orrico S R, de Toledo B E, Fonseca L, Ito I Y
Faculdade de Odontologia de Araraquara, Universidade Estadual Paulista, Brasil.
Braz Dent J. 1992;2(2):115-22.
Three hundred and twenty samples of subgingival plaque were obtained from 80 caucasian girls, ranging from 10 to 13 years of age. The samples were analyzed to verify the influence of age upon colonization of the gingival sulcus by microorganisms potentially pathogenic to the periodontal tissues. The gingival and plaque status were evaluated through the gingival index (GI) and plaque index (PlI) and the microflora was assessed by the enzymatic method benzoyl-arginine-naphthylamide (BANA). The results of the BANA test were positive for 62.50% of the tested individuals and 40% of the examined sites. The influence of age was statistically significant on BANA reactivity, and the number of positive sites was greater at 11 (57.5%) than at 12 years (28.8%).
从80名年龄在10至13岁的白种女孩中获取了320份龈下菌斑样本。对这些样本进行分析，以验证年龄对牙周组织潜在致病微生物在龈沟定植的影响。通过牙龈指数（GI）和菌斑指数（PlI）评估牙龈和菌斑状况，并采用苯甲酰精氨酸萘酰胺（BANA）酶法评估微生物群落。BANA检测结果显示，62.50%的受测个体和40%的检查部位呈阳性。年龄对BANA反应性有统计学意义的影响，11岁时阳性部位的数量（57.5%）多于12岁时（28.8%）。
