The actinomyces gain access to the bone through a carious tooth or through the gum.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition." by Alexander Miles
The tumors and abscesses wherever they may be are all found to be the same in origin by the presence of the actinomyces fungus.
"Special Report on Diseases of Cattle" by U.S. Department of Agriculture
Actinomyces, visits in, 183.
"Essays In Pastoral Medicine" by Austin ÓMalley