Darch Dental Centre Shop 17, 225 Kingsway Darch, WA 6065
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Restorative Dentistry

Solutions for decayed or cracked teeth, broken down or snapped teeth, and when changing old mercury fillings.

White fillings

Also known as composite fillings. These are made of a plastic material mixed with small glass particles, and are tooth coloured.

After preparing the tooth, the composite filling is placed in layers into the area to be repaired and hardened with a special light. Once the defect is filled the composite is finished, and polished to fit the tooth and reduce discoloration and staining.

Advantages

  • Composite fillings are stronger as it bonds to the surrounding tooth.
  • Composite fillings can be fitted into very small holes, so less drilling is needed in preparation for the fillings.
  • fillings can help insulate the tooth from major temperature changes.

Disadvantages

  • Teeth filled with composite can be sensitive for some time after procedure.
  • Some foods and drinks can stain composite fillings.

Inlays & Onlays

Inlays

They are fillings traditionally made of gold but now are made of porcelain, ceramic or composite. They are used to repair moderately damaged back teeth and need to be strong to withstand the grinding pressure of these teeth.

Inlays are glued into place and are contained within the cusp tips of the tooth. A special glue is used to increase the strength of the bond.

Onlays Made of the same materials as inlays, used for extensive repair that covers the tooth cusps. Onlays are much stronger than any type of filling and actually increase the strength of the tooth.
Onlays

Made of the same materials as inlays, used for extensive repair that covers the tooth cusps.

Onlays are much stronger than any type of filling and actually increase the strength of the tooth.

>Application of inlays and onlays

The fitting of inlays and onlays usually requires two dental visits.

  • The first visit involves removing the old filling or the decayed area and preparing the surface for the new filling. An impression is made of the area and sent to the dental laboratory so the inlay or onlay can be constructed. A temporary filling is applied until the next visit.
  • During the second visit the temporary filling is removed and the final onlay/inlay is bonded into place with a powerful glue, and polished.

Advantages

  • Strength is the major advantage of inlays/onlays. Fillings usually weaken teeth but because onlays and inlays are bonded directly into the tooth they can increase the overall strength of the tooth.
  • Porcelains, ceramics and composite materials can be made in colours to match natural teeth
  • They are durable
  • In some cases,they are a good alternative to more complex crowns

Disadvantages

  • Inlays and onlays can be costly due to high quality of material used in manufacture and precision required for their fitting.

Crowns

Tooth decay, root canal treatment and large restorations can weaken the teeth’s structure and make them prone to fracture or breakage. Crowns act like helmets that go around the tooth and protect the tooth from further breakage.

Crowns help:
  • Hold together a cracked or broken tooth.
  • Post root canal treatment
  • Support a tooth with large fillings
  • Cosmetically alter the look of a tooth either by altering the shape or covering the discoloration
  • Support a bridge
  • Post implant
The procedure involves two steps:
  • Tooth preparation, impression is made and temporary crown is placed.
  • Removal of temporary and the final crown is stuck with a special glue and check for its fit.

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