Diffusion of medicaments within root canal dentin. A scanning electron microscopic study.
Root canals of 21 maxillary human teeth were enlarged with reamers and flushed alternatively with sodium hypochlorite and hydrogen peroxide. After its mechanical preparation, root canals were dressed with camphorated paramonochloropherol and/or formocresol delivered by paper points. All three medicaments crystallize both on dentin walls and inside dentinal tubules. The clinical implications of these findings are discussed.
Division of Endodontics, Faculty of Dentistry, University of Concepción, Chile.
J H
JH
Gutiérrez
E
E
Donoso
F
F
Villena
A
A
Jofré
D000328:Adult; D003408:Cresols / Q000493:pharmacokinetics; D003786:Dental Pulp Cavity / Q000382:microbiology; D003804:Dentin / Q000648:ultrastructure*; D003806:Dentin Permeability; D004058:Diffusion; D004202:Disinfectants / Q000493:pharmacokinetics*; D005566:Formocresols / Q000493:pharmacokinetics; D006801:Humans; D008855:Microscopy, Electron, Scanning; D008875:Middle Aged; D019800:Phenol; D010636:Phenols / Q000493:pharmacokinetics; D012388:Root Canal Irrigants / Q000493:pharmacokinetics*; D016369:Smear Layer
D003408:Cresols; D004202:Disinfectants; D005566:Formocresols; D010636:Phenols; D012388:Root Canal Irrigants; D019800:Phenol; C031025:formocresol; C015088:cresatin