Tooth decay and damage are common reasons people visit the dentist. While many issues can be treated with a simple filling, sometimes a dental crown is the better or only option. But how do you know which treatment is right for you?
In the UK, it’s estimated that 74% of adults have had at least one filling, according to the Oral Health Foundation. Fillings are widely used to repair minor decay, but when a tooth is too weak or broken, a crown offers better protection.
If you’re unsure whether you need a crown or a filling, this guide will help you understand the difference — and what your dentist looks for when making that decision.
What’s the difference between a Dental filling and a crown?
A filling is used to restore a small part of a tooth that has been damaged by decay. The dentist removes the decay and fills the cavity with a material such as composite resin.
A crown, on the other hand, covers the entire visible surface of the tooth. It’s used when a tooth is weakened, cracked, or heavily restored. The crown acts like a protective shell, strengthening the tooth and restoring its function and appearance.
At A1 Dental Surgery, we offer both fillings and crowns using advanced materials and digital techniques, including CEREC same-day crowns for added convenience.
When is a dental crown recommended instead of a filling?
There are several situations where your dentist may recommend a crown instead of a filling:
- Large areas of decay or damage – If more than half the tooth is affected, a filling may not provide enough support.
- Cracked or broken teeth – A crown can hold the tooth together and prevent further damage.
- After a root canal – Teeth become more fragile after this treatment and often need full coverage.
- Worn or weakened teeth – Grinding or enamel erosion may require a crown to protect the remaining tooth.
- Replacing a large, failing filling – If an old filling is breaking down or leaking, a crown may be more reliable in the long term.
Are dental crowns more durable than fillings?
Yes. While modern fillings are strong, they still rely on the remaining tooth structure for support. If the tooth is too damaged or weak, a filling may crack, loosen, or fail over time.
Crowns are made from durable materials such as porcelain, zirconia, or ceramic. They’re designed to last longer and provide full coverage and strength. At A1 Dental, we also offer CEREC crowns that can be made and fitted on the same day, without the need for temporary crowns or repeat appointments.
How do I know which one I need?
Only a dentist can make that decision after examining your tooth. This may involve x-rays or digital scans to assess the amount of remaining structure and the extent of decay.
At A1 Dental Surgery, we take a conservative approach wherever possible. If a filling will do the job well, that’s what we’ll recommend. If your tooth needs more protection, we’ll explain why a crown is the better option.
Protect your teeth with the right treatment
Choosing between a filling and a crown depends on the size, strength, and condition of your tooth. Our goal is always to protect and preserve your natural teeth for as long as possible.
To discuss your options, book a consultation at A1 Dental Surgery. We’ll help you make the best decision for your smile.
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