OxyFile #273


TI    Bacteriological studies during conservative treatment of 
      periapical inflammations
AU    Klinger-G; Glockmann-E; Gruhn-I; Lange-G
SO    Stomatol-DDR. 1975 Dec; 25(12): 801-8
ISSN  0302-4725
LA    GERMAN
CP    GERMANY,-EAST
PT  JOURNAL-ARTICLE
UI  76105603

Abstract

32 teeth with the diagnosis of periapical osteitis (established by 
clinical and radiological examinations) were subjected to endodontic 
treatment (irrigation with hydrogen peroxide), the course of which 
was followed by bacteriological examinations. The timing of treatment 
termination depended solely upon clinical evaluation. The examination 
of smears taken before the last irrigation showed that 26 of the 32 
root canals (81%) were germ-free; in 2 cases, an anaerobic infection 
was still extant; and in 4 cases, an aerobic infection was observed. 
The high percentage of root canals which were germ-free before the 
last irrigation testifies to the efficiency of hydrogen peroxide 
application for disinfecting root canals on the one hand, and 
demonstrates the good agreement between clinical and bacteriological 
findings on the other hand. The germs identified belonged mainly to 
the normal oral flora. Enterococci proved to be particularly 
resistant. The conservative treatment of periapical osteitis by means 
of root-canal disinfection with a hydrogen peroxide preparation ans 
subsequent root-canal filling with a calcium peroxide paste is 
recommended.


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