Medical Definition of ODONTOLOGY. 1. : a science dealing with the teeth, their structure and development, and their diseases.2. : forensic odontology. â odonÂ·toÂ·logÂ·iÂ·cal \-Ëdaent-ËdÃ¤nt-Él-Ëaej-ËÃ¤j\ i. kÉl adjective. : a science dealing with the teeth, their structure and development, and their diseases. 2. : forensic odontology.
1 See a doctor if canker sores are accompanied by fever, last more than three weeks, or the affected individual has difficulty swallowing.  Multiple factors may cause canker sores, including injury to the mouth, acidic or spicy foods, vitamin deficiencies, hormones, stress, or autoimmune disorders.
Canker sores are small painful ulcers in the mucous membranes that form the inner lining of the mouth. The cause 18 of canker sores is unclear; no viral or bacterial cause has been proven. Researchers think that they occur or are triggered to occur in individuals when a certain set of circumstances arise such as.