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.
1 Avoid spicy or acidic foods, which can irritate sores further. 2  Peppers and sodas should be shunned. 3  Fruits and vegetables such as lemons, oranges, pineapples, apples, figs, tomatoes, and strawberries may also cause canker sores. 4  Get more B12, zinc, iron, and folic acid. Empty the cap and rinse it with water. 2  Take care not to swallow any of the hydrogen peroxide if possible. 3  Hydrogen peroxide is an antiseptic that will reduce the amount of bacteria in your mouth and help the canker sore heal. 4  The canker sore should go away in about 2-3 days if you do it twice a day.