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An oroantral fistula (OAF) is an epithelialized oroantral communication (OAC), which refers to an abnormal connection between the oral cavity and the antrum. [1] The creation of an OAC is most commonly due to the extraction of a maxillary tooth (typically a maxillary first molar) which is closely related to the antral floor.
Furthermore, the drainage orifice lies near the roof of the sinus, and so the maxillary sinus does not drain well, and infection develops more easily. The maxillary sinus may drain into the mouth via an abnormal opening, an oroantral fistula, a particular risk after tooth extraction.
The technique is named after Antonio Maria Valsalva, [2] [3] a 17th-century physician and anatomist from Bologna whose principal scientific interest was the human ear. He described the Eustachian tube and the maneuver to test its patency (openness).
Pain in the lower left abdomen may be caused by several different conditions. Experts explain.
The second phase is a slow release of newly formed vesicles that are triggered regardless of the blood sugar level. Glucose enters the beta cells and goes through glycolysis to form ATP that eventually causes depolarization of the beta cell membrane (as explained in Insulin secretion section of this article). The depolarization process causes ...
Families scrambling for answers. Since September, the 50 men have appeared, one after the other, in front of the court in Avignon. Usually in rape cases character investigations can take several days.
(Reuters) -After lackluster spending at U.S. stores on a deals-heavy Black Friday, retailers are pulling out all the stops with steep promotions and discounts on their websites and apps to entice ...
glucocorticoid, glucose glyc-sugar: Greek γλυκύς (glukús), sweet glycolysis: gnath-of or pertaining to the jaw Greek γνάθος (gnáthos), jaw gnathodynamometer-gnosis: knowledge Greek γνῶσις (gnôsis), inquiry, knowledge diagnosis, prognosis: gon-seed, semen; reproductive Greek γόνος (gónos), fruit, seed, procreating ...