A histological study of the effect of diameter enlargement of the apical portion of the root canal.
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Biomedical subjects
Publications and source records attributed to R R Biral.
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Plaque samples from 27 buccal tooth surfaces were obtained with sterile McCall curettes from available third molars. Bacteriological sampling and biochemical tests were carried out to identify four groups of streptococci, i.e. Str. mutans, Str. spp., Str. sanguis and Str. mitis. Clinical examinations carried out 6 months after the dental scrapings were taken showed a strong positive correlation between detectable lesions and Str. mutans.
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