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5 diseases that are caused by not brushing the teeth properly

TOI Lifestyle Desk
| ETimes.in | Last updated on - Apr 11, 2025, 10:00 IST
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What harm can not brushing our teeth do to us?

We all know that brushing our teeth is essential for maintaining oral hygiene. However, the importance of brushing goes far beyond just having fresh breath or avoiding cavities. Poor oral hygiene can lead to serious health problems in other parts of your body as well. As per WHO, oral diseases affect nearly 3.7 billion people. Here are 5 diseases that are caused by not brushing our teeth properly and regularly.
2/6

Heart disease

You might not realise it, but the state of our oral health can affect our heart. Poor dental hygiene can lead to gum disease (also known as periodontal disease), which has been linked to an increased risk of heart disease. When plaque builds up on the teeth and gums, bacteria can enter the bloodstream, causing inflammation. This can contribute to the narrowing of blood vessels, leading to conditions like atherosclerosis, where plaque builds up in the arteries. Over time, this can increase the risk of heart attacks and strokes.
3/6

Diabetes

Did you know that not brushing our teeth properly can make it harder to manage diabetes? Gum disease and poor oral hygiene can make it difficult for our body to regulate blood sugar levels. In turn, high blood sugar can worsen gum disease, creating a vicious cycle. Studies show that people with diabetes are at higher risk for oral infections, and untreated gum disease can make it more difficult to control blood sugar. So, taking care of your teeth might just help in managing your diabetes better.
4/6

Respiratory infections

If we neglect brushing our teeth, bacteria can build up in our mouth and be inhaled into our lungs. This can lead to serious respiratory infections, such as pneumonia, bronchitis, and chronic obstructive pulmonary disease (COPD). Bacteria from the mouth can travel to the lungs, especially in people with weakened immune systems or those who suffer from chronic lung diseases. Keeping our mouth clean can help reduce the chances of bacteria spreading to our respiratory system.
5/6

Alzheimer’s disease

We might be surprised to learn that there’s a connection between oral hygiene and Alzheimer’s disease. Studies have shown that gum disease, caused by poor brushing habits, may contribute to the development of Alzheimer’s. The bacteria that cause gum disease can enter the bloodstream and even reach the brain, potentially leading to inflammation. This inflammation is believed to be a risk factor for the development of Alzheimer’s and other forms of dementia. Brushing your teeth regularly could help protect your brain in the long run.
6/6

Premature birth and low birth weight

Expecting mothers, listen up! Not brushing our teeth properly during pregnancy can increase the risk of complications such as premature birth or having a baby with low birth weight. Gum disease has been linked to an increased risk of preterm labor, as the inflammation caused by poor oral hygiene can trigger premature contractions. Bacteria from the mouth can travel to the placenta, affecting the baby’s development. Keeping our teeth clean is an important step in ensuring a healthy pregnancy.


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