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It takes much longer to treat actinomyces than most bacteria.

Not only are these views deducible from clinical observation, but they have been proved by the positive inoculation of calves and smaller animals with actinomyces.

The actinomyces gain access to the bone through a carious tooth or through the gum.

Actinomycosis is a chronic disease due to the action of an organism somewhat higher in the vegetable scale than ordinary bacteria—the streptothrix actinomyces or ray fungus.

The danger therefore of the presence of actinomyces for healthy animals is a limited one.