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A scanning electron microscopic evaluation of in vitro dentinal tubules penetration by selected anaerobic bacteria

1996; Elsevier BV; Volume: 22; Issue: 6 Linguagem: Inglês

10.1016/s0099-2399(96)80265-2

1878-3554

José F. Siqueira, Milton de Uzeda, M. E. F. Fonseca,

Occupational health in dentistry

In vitro root canal dentinal tubule invasion by selected anaerobic bacteria commonly isolated from endodontic infections was evaluated. Dentinal cylinders obtained from bovine incisors were inoculated with bacteria, and microbial penetration into tubules was demonstrated by scanning electron microscopy. The results indicated that all bacterial strains tested were able to penetrate into dentinal tubules, but to different extents.