The Truth About Tooth Decay: What You Should Know

What Is Tooth Decay?

Tooth decay doesn’t always hurt—regular check-ups are your best defence against silent damage.

Tooth decay, also known as dental caries or cavities, happens when the enamel — the hard, outer surface of your tooth — breaks down due to acids produced by bacteria in your mouth. These acids are the by-product of sugar interacting with plaque (a sticky film of bacteria).

If left untreated, decay can lead to pain, infection, and even tooth loss.

Early Signs to Watch Out For

Tooth decay doesn’t always cause symptoms right away, which is why regular check-ups are so important. Still, here are some early warning signs to keep an eye on:

  • Sensitivity to cold is usually the first indicator of decay.

  • Visible holes or pits in your teeth

  • Toothache or discomfort when biting

  • Staining (white, brown, or black spots on teeth) could sometimes mean a decay.

Sugar feeds bacteria, but poor brushing habits let them stick around—daily care makes all the difference.

Why Tooth Decay Happens

The main culprits behind decay are:

  • Poor oral hygiene – Not brushing or flossing plaque away properly

  • Frequent snacking or sipping sugary drinks

  • Lack of fluoride – Fluoride helps strengthen enamel (Eg: using non-fluoridated toothpaste or living in non-fluoridated areas)

  • Dry mouth – Saliva helps neutralise acid and wash away food particles

  • Worn dental work – Old fillings can create spots for bacteria to hide

The Good News? It's Preventable.

Here is how to stay ahead of decay:

  • Brush twice daily with fluoride toothpaste

  • Floss once a day

  • Limit sugary snacks and drinks

  • Drink plenty of water, especially after meals

  • Schedule regular dental check-ups and professional cleans

Treatment Options

Caught early, tooth decay can often be reversed with the above. If it progresses, we may recommend:

  • Fillings to repair damage

  • Crowns for more extensive decay

  • Root canals if the nerve is affected

  • Extractions, as a last resort, when the tooth can't be saved

Your Partner in Preventing Decay

At Dental On Mahoe, our experienced team is here to help you maintain a healthy, decay-free smile — through education, personalised care, and professional treatments. Whether it’s your child’s first visit or you’re managing ongoing dental concerns, we’ll guide you every step of the way.

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