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Release Date: July 30, 2013
Review Date: September 7, 2016
Expiration Date: September 6, 2019
Recurrent aphthous stomatitis (RAS) – also known as recurrent aphthous ulcerations, aphthous ulcerations, and canker sores – is a chronic inflammatory disease that is characterized by painful oral ulcers that recur with varying frequency. Although the etiology of RAS is multifactorial, it has been linked to decreased levels of folic acid and other hematologic deficiencies, including deficiencies in vitamin B12, iron, and ferritin. Hematologic deficiencies may be a significant risk factor for RAS.
Numerous medical conditions, as well as certain medications taken over long periods, can also cause RAS. When a patient is experiencing these painful ulcerations, the dental professional must have sufficient knowledge to identify the predisposing factors for RAS and make the connection between the occurrence of RAS and certain medical conditions or medication usage.
After reviewing the etiology and symptoms of RAS, as well as the predisposing factors for development of these oral ulcerations, this basic-level course outlines the process for diagnosing RAS and the treatments currently available for the different types of RAS.
AGD Subject Code: 730
Western Schools designates this activity for 3 continuing education credits.
- Explain the prevalence and etiology of recurrent aphthous stomatitis (RAS).
- List the signs and symptoms of RAS.
- Discuss the process of diagnosing RAS.
- Identify the predisposing factors for RAS.
- Discuss the types of RAS and their treatment.
Sharon Crowe, RDH, BSDH, MS, graduated from Northwestern University in Evanston, Illinois, with a bachelor of science degree in dental hygiene, and completed a master of science degree at Silver Lake College in Manitowoc, Wisconsin. Ms. Crowe was a practicing dental hygienist for more than 25 years. For more than a decade, she worked developing curriculum and teaching in the dental hygienist program at Fox Valley Technical College in Appleton, Wisconsin, before accepting a teaching and curriculum development position at Nicolet College in Rhinelander, Wisconsin. She also works as an administrator for a family health center in Rhinelander. Ms. Crowe has published several continuing education courses in the dental field.
- Courses must be completed within one (1) year of the date of purchase or by the expiration date indicated above, whichever date comes first.
- You must score 75% or higher on the final exam and complete the course evaluation to pass this course and receive a certificate of completion.
- Through our review processes, Western Schools ensures that the course content is presented in a balanced, unbiased manner and is free from commercial influence. It is Western Schools’ policy not to accept commercial support.
- All persons involved in the planning and development of this course have disclosed no relevant financial relationships or other conflicts of interest related to the course content.
- There are no prerequisites for this course.