Trauma from occlusion.
D000818:Animals; D003769:Dental Occlusion, Traumatic / Q000150:complications / Q000503:physiopathology*; D004285:Dogs; D010518:Periodontitis / Q000209:etiology / Q000503:physiopathology; D012008:Recurrence; D014086:Tooth Mobility / Q000209:etiology / Q000503:physiopathology