1 Keep in mind that you are not trying to scrub your enamel, you are simply massaging the surface of your teeth with the activated charcoal so that it can attract tannins like a magnet.  After brushing, hold it in your mouth for 2-3 minutes to allow it to continue to work.
Removal of Cholesteatoma via Modified Radical Mastoidectomy. Modified radical mastoidectomy, also known as canal wall down (CWD) mastoidectomy, is a surgical procedure which involves removal of the posterior (back) wall of the ear canal to create a common cavity for the mastoid and ear canal. This single cavity also known as mastoid bowl opens up to the outside of the ear canal.
More in Surgery. Excision means to surgically remove. This term is often used in reference to removing a mass, excision means that tissue is removed, using a scalpel, laser or another instrument. Excision refers to completely removing the tissue in question, rather than just a part, as is done in a biopsy. While the term excise is often used to describe a large range of procedures that remove tissue during surgery, the precise use of the term means removing an entire structure using some type of cutting instrument.