I know this from experience; I was a writer on an early example of a show to benefit from this cascade of affection. Why My Show Must Succeed David A. Goodman October 24, 2011. The cascade of same-sex marriage rulings is now a torrent, each more quotable and image-ready than the last.
Some possible causes of canker sores include the following: 1  Injury to the mouth may cause simple canker sores. 2  Injury could be from vigorous tooth brushing, dental work, braces or dentures, or a sports accident. 3  Acidic foods, including citrus fruits, may trigger a canker sore or make it worse.ome possible causes of canker sores include the following: 1  Injury to the mouth may cause simple canker sores. 2  Injury could be from vigorous tooth brushing, dental work, braces or dentures, or a sports accident. 3  Acidic foods, including citrus fruits, may trigger a canker sore or make it worse.
A. The cause of canker sores is not well understood. More than one cause is likely, even for individual patients. Canker sores do not appear to be caused by viruses or bacteria, although an allergy to a type of bacterium commonly found in the mouth may trigger them in some people.