Byssinosis Byssinosis Byssinosis, also called "brown lung disease" or "Monday fever", is an occupational lung disease caused by exposure to cotton dust in inadequately ventilated working environments. Byssinosis commonly occurs in workers who are employed in yarn and fabric manufacture industries. It is now thought that the cotton dust directly causes the disease and some believe that the causative agents are endotoxins that come from the cell walls of gram-negative bacteria that grow on the cotton. Although bacterial endotoxin is a likely cause, the absence of similar symptoms in workers in other industries exposed to endotoxins makes this uncertain. Of the
Periodontal disease periodontal diseases is as follows: Periodontal health, gingival disease and conditions Periodontitis Other conditions affecting the periodontium Peri-implant diseases and conditions The goals of staging periodontitis is to classify the severity of damage and assess specific factors that may affect management. According to the 2017 classification, periodontits is divided into four stages (1 to 4); after considering a few factors such as: According to the 2017 classification, the grading system for periodontitis consists of three grades: Risk factors affecting which grade a person is classified into include: Daily oral hygiene measures to prevent periodontal disease include: Typically, dental hygienists (or