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Aspergillus niger is a mold classified within the Nigri section of the Aspergillus genus. [1] The Aspergillus genus consists of common molds found throughout the environment within soil and water, on vegetation, in fecal matter, on decomposing matter, and suspended in the air. [ 2 ]
A fungus ball in the lungs may cause no symptoms and may be discovered only with a chest X-ray, or it may cause repeated coughing up of blood, chest pain, and occasionally severe, even fatal, bleeding. [2] A rapidly invasive Aspergillus infection in the lungs often causes cough, fever, chest pain, and difficulty breathing. [citation needed]
Aspergillosis is the group of diseases caused by Aspergillus. The most common species among paranasal sinus infections associated with aspergillosis is A. fumigatus. [31] The symptoms include fever, cough, chest pain, or breathlessness, which also occur in many other illnesses, so diagnosis can be difficult.
Some subcutaneous fungal infections can invade into deeper structures, resulting in systemic disease. [3] Candida albicans can live in people without producing symptoms, and is able to cause both mild candidiasis in healthy people and severe invasive candidiasis in those who cannot fight infection themselves .
Fungal sinusitis or fungal rhinosinusitis is the inflammation of the lining mucosa of the paranasal sinuses due to a fungal infection. [ 1 ] [ 2 ] It occurs in people with reduced immunity . The maxillary sinus is the most commonly involved.
Mouth infections, also known as oral infections, are a group of infections that occur around the oral cavity. They include dental infection , dental abscess , and Ludwig's angina . Mouth infections typically originate from dental caries at the root of molars and premolars that spread to adjacent structures.
The most common organ affected by aspergilloma is the lung. Aspergilloma mainly affects people with underlying cavitary lung disease such as tuberculosis, sarcoidosis, bronchiectasis, cystic fibrosis and systemic immunodeficiency. Aspergillus fumigatus, the most common causative species, is typically inhaled as small (2 to 3 micron) spores.
There are many factors of oral health which need to be preserved in order to prevent pathogenesis of the oral microbiota or diseases of the mouth. Dental plaque is the material that adheres to the teeth and consists of bacterial cells (mainly S. mutans and S. sanguis ), salivary polymers and bacterial extracellular products.