Recurrent aphthous stomatitis (RAS) is a common and painful oral disease. It is characterised by recurring mucosal ulceration in an otherwise healthy individual.  Its prevalence is commonly estimated to be between 5% and 25%  with a peak age of onset between 10 and 19 years although they may continue throughout the patient’s life span.  An … Continue reading Stress associated with onset of recurrent mouth ulcers