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.
Stress/Injury. Any stress or injury located inside your mouth may be the root cause of a canker sore formation. Anything from brushing too hard, biting your gums, harsh mouthwashes, or eating something that causes bruising can lead to the tiny ulcers.If you are susceptible to canker sores, also try avoiding toothpastes and mouthwashes that contain sodium lauryl sulfate.nything from brushing too hard, biting your gums, harsh mouthwashes, or eating something that causes bruising can lead to the tiny ulcers. If you are susceptible to canker sores, also try avoiding toothpastes and mouthwashes that contain sodium lauryl sulfate.