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Due to shared predisposing factors in a population (e.g. students during a period of examinations, armed forces recruits) necrotizing gingivitis is known to occur in epidemic-type patterns. This has led to the popular belief that necrotizing gingivitis is contagious, but this is not the case.
Necrotizing sialometaplasia (NS) is a benign, ulcerative lesion, usually located towards the back of the hard palate.It is thought to be caused by ischemic necrosis (death of tissue due to lack of blood supply) of minor salivary glands in response to trauma.
Pulp necrosis arises due to the cellular death within the pulp chamber – this can occur with or without the involvement of bacteria. [1] It is the result of various connective tissue disease progressions which occur in stages; normal healthy tissue becomes inflamed (i.e. pulpitis) which if left untreated leads to necrosis and infection and ...
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The symptoms are necrosis of the mandible (lower jawbone) and the maxilla (upper jaw), constant bleeding of the gums, and (usually) after some time, severe distortion due to bone tumors and porosity of the lower jaw. Symptoms also include soreness throughout the body, significant decrease in body weight and loss of teeth.
The papillary necrosis of NG has been described as "punched out". [2] Other signs and symptoms may be present, but not always. [2] Foul breath. Bad taste (metallic taste). [3] Malaise, fever and/or cervical lymph node enlargement are rare (unlike the typical features of herpetic stomatitis). [3] Pain is fairly well localized to the affected ...
Thermal effects (extremely high or low temperature) can often result in necrosis due to the disruption of cells, especially in bone cells. [16] Necrosis can also result from chemical trauma, with alkaline and acidic compounds causing liquefactive and coagulative necrosis, respectively, in affected tissues. The severity of such cases varies ...