World News for Students of English

09-11-2026 07:00

If you stop oral hygiene, the balance between helpful bacteria and harmful pathobionts in your mouth quickly breaks down.

Within just a few days, harmful bacteria multiply and create a sticky layer called dental plaque. This plaque irritates your gums, which can cause bleeding and inflammation, an early stage of disease called gingivitis. Within a month, the bacteria produce strong acids that eat away at tooth enamel and create painful cavities. If left untreated for several months, gingivitis worsens into periodontitis, which damages soft gum tissue and causes gums to pull away from your teeth.

After a year without cleaning, chronic infection destroys the underlying bone and causes teeth to wobble and fall out. Even worse, damaged gums allow harmful bacteria to enter your bloodstream. From there, these microbes can travel through the body and worsen serious health conditions, including heart disease, diabetes, and memory disorders like Alzheimer’s.

Difficult words: oral hygiene (keeping your mouth clean and free of disease by regular brushing and flossing), pathobiont (a potentially disease-causing microorganism that normally lives harmlessly in the body unless the balance is disrupted), inflammation (when part of the body becomes red, swollen, hot, and often painful as a reaction to injury or infection), enamel (the hard, shiny outer surface layer of a tooth).

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