Assertion: osseous defect | /r/CreatedBy | cholesteatoma
Facets:
Source sentences:
text: There are two explanations of the mechanism of bone defect caused by cholesteatoma: first, occurrence of bone resorption due to cholesteatoma, which causes local ischemia as a result of its pressure on bone wall, and, second, occurrence of bone erosion with the involvement of inflammatory process due to enzymatic destruction .