Complex sentence: The vast majority of people with aphthous stomatitis have minor symptoms and do not require any specific therapy, with the pain is tolerable with simple dietary modification during an episode of ulceration such as avoiding spicy or acidic foods and beverages.
Split into simpler sentences: The vast majority of people with aphthous stomatitis have minor symptoms and do not require any specific therapy. The pain is often tolerable with simple dietary modification during an episode of ulceration such as avoiding spicy or acidic foods and beverages.