Providing enough stability for the dentist
After root-canal therapy the teeth need to be made good again.
If only a small amount of tooth structure has been removed teeth can be restored and conserved using bonded composites, sealing the inside of the tooth from bacteria. This also provides sufficient stability to enable the dentist to attach a crown.
The removal of the top of a tooth to allow root-canal treatment
The tooth prepared using bonded composite
Where much of the substance of the tooth has been lost, it may be necessary to insert a post for the crown to bond onto. A number of materials are possible:
Posts and cores made from precious gold-containing alloys
Tooth-colored restorations of ceramics and a Zirconia-post
Pre-final restoration with a Zirconia-post
Teeth-colored restorations made of composite and a Quartz-fibre-post
State after root-canal treatment and subsequent insertion of a Quartz-fibre-post
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