IMPERIAL HIGHWAY & PIONEER BOULEVARD PROJECT - Week of March 26, 2017. Project Information. Improvements: HOV lane, one mixed-flow lane in each direction, interchange modifications at San Antonio Avenue undercrossing, Imperial Highway undercrossing, Pioneer Boulevard undercrossing and Orr and Day Road. Start Date: 2013.
Infections can cause mouth ulcers. Herpes simplex often causes mouth ulcers in children and some adults. Other less common viral and bacterial infections may cause mouth ulcers, but this is rare. Mouth ulcers can be caused by anaemia and occasionally by other blood disorders, and some skin or gastrointestinal diseases.
The most common cause of oral mucosal ulceration. It is most often caused by dentures, braces or sharp/broken teeth. It can also be due to tongue or cheek biting, scratching with fingernails, or eating rough foods. Any ulcer usually starts to heal within 10 days following removal of the cause.