What Are The Most Common Causes Of Tooth Decay?

If you regularly consume many sugary drinks and foods, have an improper oral hygiene routine, and skip dental appointments you may experience tooth decay. Tooth decay is an oral problem that usually occurs when the enamel becomes damaged, resulting in invisible or visible holes, brown stains or cavities in the teeth that send you to the dentist. If left untreated, it can lead to infection, facial swelling, fever, pain and more issues related to teeth and mouth so this are most common causes of tooth decay. It can be uncomfortable and costly to get dental treatment for cavities, but tooth decay is highly preventable. One of the best ways to prevent it from occurring is by understanding what tooth decay is, what are signs of tooth decay and most importantly what is the main cause of tooth decay?

What is Tooth Decay?

Commonly known as dental cavities, tooth decay is a common oral concern that causes the breakdown of tooth enamel among individuals. This dental problem is especially common among older adults, kids and teenagers. Anyone who has teeth can experience tooth decay or cavities, including infants. Tooth decay occurs when bacteria inside your mouth produce acids that attack the tooth’s enamel, so avoiding this dental problem is nearly impossible. However, many treatments can help stop and prevent the spread of tooth decay

What are the Common Signs and Symptoms of Tooth Decay?

There are no typical symptoms of tooth decay in the early stages, but over time the signs and symptoms vary depending on the severity of the damage caused. It’s imperative to know the signs of tooth decay, so you can have it treated before it gets worse. When tooth decay advances over time, you may experience one or more of the following problems:

1. Toothache

If without any warning signs you start noticing dull or sharp toothaches that don’t go away, tooth decay is usually the culprit. It could be the time to get your teeth examined by a skilled dentist as soon as possible. So this i most Common Causes Of Tooth Decay

2. Sensitive Teeth

Aside from toothache, if one or more of your teeth suddenly become extremely sensitive to too cold or too hot foods or drinks, it might be a warning sign of tooth decay that usually requires immediate attention. Tooth decay tends to damage the enamel layer of your teeth which makes the teeth more sensitive to exposure.

3. Black, Brown or White Stains

Tooth spots and discolorations are usually caused by acidic foods and drinks, but brown, black or white stains on a tooth are also the warning signs of tooth decay.

4. Swollen and Bleeding Gums

Bleeding and swollen gums are common gum diseases that often accompany tooth decay. If your gums gradually get swollen without any reason and at the same time bleed, you should visit your dentist for a checkup. 

5. Foul Breath

With the presence of excessive bacteria in the mouth, foul breath soon follows. The longer bacteria remains inside your mouth the higher the risk for tooth decay. Think of the foul breath as the main symptom of tooth decay. These are some of the common signs of tooth decay that individuals who are conscious of their oral health should be looking out for.

What are the Common causes of Tooth Decay?

If you are experiencing tooth decay, it’s good to know what causes it and how to fix it. To protect your oral health and improve your smile, below listed are some of the main causes of tooth decay:

1. Sugary Foods

The leading cause of tooth decay is bacteria, which feed on food particles and plaque stuck between your teeth. What you eat could have a big impact on your oral health. Eating excessive sugary foods can promote bacteria growth inside your mouth which can be harmful to your teeth in the long run. 

2. Poor oral Hygiene

Improper or oral hygiene is another main cause of tooth decay. Brushing and flossing your teeth at least twice every thoroughly removes most food particles and bacteria. Otherwise, plaque adheres to your teeth and gum and builds up over time, starting to attack your tooth enamel. 

3. Smoking

Not to mention, smoking has a tremendous effect on teeth and gums. But, regular tobacco use can erode the enamel layer leading to tooth decay, discolorations, tooth loss and in more severe cases oral cancer.

4. Dry mouth

Dry mouth or xerostomia occurs when you don’t have enough saliva in your mouth to perform its beneficial functions. Without the insufficient flow of saliva inside your mouth, bacteria can easily build up over the gums and teeth and cause extensive tooth decay.  

Some of the above-mentioned causes of tooth decay can be treated by a professional. Others can be fixed at home by maintaining good oral hygiene and with the use of good oral health care products.

How to prevent and fix Tooth Decay?

Wondering how to fix or prevent tooth decay? If you are interested in knowing how to prevent tooth decay, follow these helpful tips listed below:

  1. Regular tooth brushing: Brush your teeth with fluoride toothpaste and a soft toothbrush at least two times every day, preferably after meals. This habit is very critical for lifelong oral health.
  1. Floss regularly: Besides brushing your teeth twice a day, it is important to floss once per day to remove food particles stuck between teeth. 
  1. Mind your diet: Excessive acidic or sugary foods and drinks is the main culprit of tooth decay. It is a simple suggestion to get your tooth decay fixed – cut back on sugary, starchy foods and drinks and try to include more vegetables in your diet. 
  1. Rinse after every meal: This is the best tooth decay remedy that eliminates bacteria and plaque buildup over the teeth.


While tooth decay is caused by a number of factors that can easily be prevented or fixed on your own, it is vital to take your oral health seriously and maintain excellent oral hygiene habits.