Keywords Actinobacillus actinomycetemcomitans;aggressive periodontitis;buccal mucosa;fluorescent in situ hybridization;laser scanning confocal microscopy.;

• 伴放线放线杆菌;侵袭性牙周炎;颊黏膜;荧光原位杂交;激光共聚焦显微镜;