Etiology: Fusiform and spirochete microorganisms. Other factors include: poor oral hygiene, smoking, mental/physical stress, previous marginal gingivitis or periodontitis, inadequate sleep, or recent illness.
Description: Components of normal flora invade gingival tissue when resistance is decreased secondary to stress, poor diet, and illnesses. Blunting of interdental papilla and halitosis is present. Acute inflammatory gingival disease characterized by destruction of interdental papillae and gingiva.