The Science Behind Tooth Decay

The Science Behind Tooth Decay

If you’ve been to our blog before, you know that tooth loss is one of our favorite topics. Most people have had or will have tooth decay at some point in their lives. The National Institutes of Health say that it is the most common disease in the world. Today, we’ll talk about some of the things that can lead to tooth decay and what you and Dr. Motiwala can do to keep your smile healthy.

The Unique Makeup of Your Teeth

Even in your own mouth, your teeth are all different in shape, size, enamel quality and uniformity, and how they fit together. Some teeth are harder than others, and some, especially molars, may have deep cracks that can trap bacteria and cause decay. More problems with how enamel forms can lead to yellow or brown spots on your teeth that are more likely to get cavities.

The pH Level in Your Mouth

Research shows that the amount of acid in your mouth is a major cause of tooth decay. Bacteria that cause decay can grow in an acidic environment with a low pH. Acidity is influenced by a person’s diet, saliva quality and flow, and a number of other things. For example, after having carbohydrates, the pH of your saliva will drop for a short time.


Diet is one of the biggest and easiest to change things that can cause tooth decay. A bad diet that is high in sugars and sticky foods will make you get more plaque and make your mouth less acidic.


Even though you might think it’s gross, all dentists agree that saliva is a wonderful substance that is important for your stomach and your smile. Saliva helps keep the acidity in your mouth at the right level, helps your teeth remineralize after tooth decay bacteria attack them with acid, and washes plaque off your teeth. Caries can form when your mouth is dry or your saliva isn’t good enough. This will almost certainly give you bad breath.

Your Oral Hygiene Regimen

The best way to prevent tooth decay is to take care of your teeth and gums every day. That means you need to brush and floss your teeth twice a day.

Some of these things are out of your control, but regular cleanings and checkups at Dr. Motiwala Dental Clinic & Implant Centre will help you keep your smile happy, healthy, and free of cavities. Get in touch with us right away to set up your next meeting!

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