Tooth Decay
Summary
Tooth decay is a widespread but largely preventable condition caused by plaque bacteria that produce enamel-eroding acids from sugary and starchy foods.
This article explains how demineralisation leads to cavities and identifies key risk factors such as frequent snacking, poor oral hygiene, and dry mouth.
You will find practical prevention strategies, including the importance of brushing with fluoride toothpaste, flossing daily, and maintaining a balanced diet. By staying hydrated with fluoridated water and attending regular dental check-ups, you can effectively protect your teeth from infection and ensure long-term oral health.
Key Points
What is Tooth Decay?
Tooth decay, also known as dental caries or cavities, is a common chronic disease, and one of the main reasons why people have to see a dentist. While it’s a widespread problem, it’s also largely preventable, so understanding what causes decay is the first step to protecting your smile.
Tooth decay occurs when the enamel, the hard, protective outer layer of your teeth, is damaged. This process starts with plaque, a sticky film of bacteria that constantly forms on your teeth. When you eat or drink, the bacteria in this plaque feed on sugars and carbohydrates, producing acids as a byproduct. These acids attack your tooth enamel, a process called demineralisation.
Over time, these acid attacks can weaken the enamel to the point where small holes, or cavities, begin to form. If left untreated, the decay can spread deeper into the tooth, causing pain, infection, and eventually, tooth loss.
Key Causes and Risk Factors
While sugar is a well-known culprit, several factors contribute to the risk of tooth decay:
- Frequent Snacking: Every time you eat or drink something sugary or starchy, the bacteria in your mouth produce acid. Frequent snacking means your teeth are under constant acid attack, with no time for the enamel to remineralise.
- Poor Oral Hygiene: Inadequate brushing and flossing allow plaque to build up and remain on your teeth, giving the bacteria more time to produce harmful acids.
- Location of the Tooth: Back teeth (molars and premolars) are at higher risk of decay because their deep grooves and pits can easily trap food particles and bacteria. They are also harder to clean properly.
- Diet: A diet high in sugary and starchy foods and drinks directly fuels the bacteria that cause decay. Sticky foods like lollies and dried fruit are particularly damaging as they cling to your teeth for longer.
- Dry Mouth: Saliva plays a crucial role in oral health. It helps rinse away food particles and neutralise acids. A lack of saliva due to certain medical conditions or medications can increase your risk of decay.
How to Prevent Tooth Decay
The good news is that by establishing a few simple habits, you can significantly reduce your risk of developing cavities.
- Brush Twice a Day: Brush your teeth for two minutes, twice a day, with a fluoride toothpaste. Fluoride is a natural mineral that strengthens tooth enamel and makes it more resistant to acid.
- Floss Daily: Brushing alone misses about 40% of your tooth surfaces. Flossing removes plaque and food particles from between your teeth where decay often starts.
- Eat a Balanced Diet: Limit sugary drinks and snacks. Opt for tooth-friendly diet choices like fresh vegetables, cheese, and plain yoghurt. When you do have a treat, try to have it with a meal to minimise the time your teeth are exposed to sugar.
- Drink Plenty of Water: Drinking water, especially fluoridated tap water, throughout the day helps wash away food debris and keeps your mouth hydrated.
- Visit Your Dentist Regularly: Regular dental check-ups and professional cleanings are your best defence. Our friendly team at Herald Avenue Dental Centre can spot the early signs of decay and remove hardened plaque (tartar) before it causes problems. We can also provide preventive treatments like fissure sealants to protect vulnerable teeth.
By taking these steps, you can help protect your smile from cavities and keep your teeth healthy for life.
Herald Avenue Dental Centre in Willetton
If you are suffering from tooth decay or worried it may be starting, please contact us or book an appointment online so that we can assist you. We are located in Willetton, Perth WA.
