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.
Acidic fruits like tomatoes, pineapples, strawberries, grapefruits, lemons, oranges and other citrus fruits: Their citric acid can potentially cause the development of more canker sores. Other acidic foods that you should avoid if you have canker sores include vinegar, pickles, jams, jellies and energy drinks. 12 Soda: The corn syrup and phosphoric acid in soda can trigger inflammation and pave the way for more canker sores.