A curved Kuhn-Bolger curette allows firm fragments of bone in the frontal recess to be removed, submu-cosally if possible, when a ball probe is not strong enough for this (Fig. 10.14). Its shape means that it has
to be fed into the nose in a "scooping" fashion. It is important not to prod with it, but only to place it where it will go without any pressure, and ideally under direct vision. A straight curette is used for removing the knuckle of the crista ethmoidalis that guards the posterior branches of the sphenopalatine artery. Its shape allows the controlled and accurate removal of bone or mucosa when this is indicated.
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This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.