Oroantral fistula (OAF) often develops after extraction of posterior maxillary teeth and requires surgical closure.If it persists, OAF may result in maxillary sinusitis.This paper reports a case of an oroantral fistula, associated with chronic maxillary sinusitis.A 46-year-old female patient presented with a history of traumatic tooth extraction, w
Seasonal measurements of the metabolic physiology of four Antarctic demosponges and their Top associated assemblages, maintained in a flow through aquarium facility, demonstrated one of the largest differences in seasonal strategies between species and their associated sponge communities.The sponge oxygen consumption measured here exhibited both th
Jing He, 1 Peihao Yin, 1–4 Ke Xu 1, 3, 4 1Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China; 2Department of Pencils General Surgery, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China; 3Shanghai Putuo Central School of Cl