How To Tell If You Need a Dental Filling

After the development of a cavity, you may need to have a dental filling placed as a way to restore your tooth. There are different types for different situations, our Sexsmith dentists explain.

What are dental fillings?

These restorations are used to restore the structure, function and appearance of a tooth that's been damaged or decayed, alleviating tooth pain you may be experiencing.

Why dental fillings are used?

Tooth fillings can fix fractures, cracks, or tooth decay. They help restore functionality to your tooth and in some circumstances, dental fillings can be used to make cosmetic improvements to your smile. 

What are some signs I may need a dental filling?

Ultimately, your dentist will be the one to decide whether or not you need a tooth filling, but here are some signs that you might have a cavity, and should contact your dentist.

  • You feel a sharp or throbbing pain in your tooth.
  • Food keeps getting stuck between certain teeth. 
  • Your tooth is broken or chipped. 
  • You've lost a tooth filling and need a replacement.
  • When you examine your teeth, you see a hole or dark spot. 
  • An existing tooth filling has broken or cracked. 
  • Your tooth feels rough to the touch. 

What are dental fillings made from?

Dental fillings can be made of a number of materials, from amalgam to composite, porcelain and gold. While each of these materials is safe and long-lasting, they also each have their own advantages and disadvantages when it comes to repairing a cavity or decay. Here, our dentists provide advice on how to make the right dental choice for you. 

Porcelain Fillings for Strength & Appearance

Also called inlays and onlays, porcelain fillings are brittle, hard, and made in combination with metal. Made in a dental lab and sent back to your dentist to place, these strong, tooth-coloured dental restorations are typically used on molars as they are more durable and longer lasting than a regular dental filling. 

You’ll usually need to attend two dental appointments so your porcelain filling can be placed in your mouth.

Composite Fillings To Help Achieve A Natural Look & Feel

These fillings are very close in colour to your natural teeth, allowing them to blend in well with the teeth they are applied to.

They look and feel natural, and are popular with patients who are concerned with how amalgam (grey) fillings may appear on teeth that are visible when they smile.

Dentists like composites because they are easy to sculpt and shape onto a tooth, and bond naturally to a tooth. This means your dentist won’t need to remove as much existing enamel when preparing the tooth.

Your dentist will remove tooth decay and add bonding material to the inside of the hole so the filling can be placed. Composite resin is then layered in the hole.

A curing light is used to harden each layer. When the last layer of resin has hardened, the filling will be carefully shaped to match your natural teeth.

Gold Fillings if You Want Durability 

Cast gold fillings are made using a model of your tooth. Created from a mix of gold combined with other materials such as copper and silver, a cast gold filling is created in a dental lab and sent back to your dentist.

It will then be cemented in place inside your mouth. Though this type of filling is considered the most durable (typically lasting 20 years or more) it is also the most costly. You'll also require at least two dental appointments to have it placed.

If you would like to learn more about restorative dental care after cavities, contact our Sexsmith dentists today to discuss your options.

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