Stomatitis cause deficiencies, which in turn causes stomatitis. Examples include tropical sprue. Aphthous stomatitis (canker sores) is the recurrent appearance of mouth ulcers in otherwise healthy individuals. The cause is not completely understood, but it is thought that the condition represents a T cell mediated immune response which is triggered by a variety of factors. The individual ulcers (aphthae) recur periodically and heal completely, although in the more severe forms new ulcers may appear in other parts of the mouth before the old ones have finished healing. Aphthous stomatitis is one of the most common diseases of the oral mucosa, and
History of medicine in the Philippines Rodrigo de San Miguel's "Manual de Medicina Domestica" (Manual on Domestic Medicine), and Fr. Manuel Vilches' "Manuel del Mediquillo Visaya" (Manuel of the Visayan Traditional Healers). Philippine National Artist and painter Carlos "Botong" V. Francisco recorded and depicted the history of medicine in the Philippines by creating four mural-like four-panel oil paintings collectively titled "The Progress of Medicine in the Philippines", which traced the practice of medicine from the times of the "babaylans" ("medicine men and women") up to a period in the modern-day era. The first painting depicts pre-colonial medicine, the second portrays medicine during the Spanish colonial period,