Prospective Study Clinical Trial
Official title:
Clinical and Radiological Evaluation of Two Mastoid Filling Products in Patients With Cholesteratoma.
to compare, the osseous density in the mastoid of two products used to obliterate the mastoid during surgery for cholesteatoma
Primary objective: To compare the radiological aspect in the petrous bone of two obliteration products in adults, one year after surgery (Bioactive Glass S53P4 and biological Hydroxy apatite) secondary objective : To evaluate the cutaneous and the inner ear tolerance of bioactive glass S53P4 and biological hydroxy apatite when used in the mastoid and epitympanic obliteration for chronic otitis surgery ;
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