In brief: Gums that bleed. Gingivitis is the beginning stages, and by definition, your gums are inflamed, and you might see them bleed when you brush and floss. If this is left untreated, then the infection moves deeper into the jaw, and it progresses to the more severe, periodontal disease.
The symptoms of PTSD can start immediately or after a delay of weeks or months, but usually within 6 months of the traumatic event. Many people feel grief-stricken, depressed, anxious, guilty and angry after a traumatic experience.
But according to the most recent edition of the Diagnostic and Statistical Manual of Mental Disorders, when post-traumatic stress symptoms persist for at least a month, a diagnosis of post-traumatic stress disorder (PTSD) might be considered.