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Dental Crowns, Dental Bridges

Dental Crowns are prosthetic fixed devices used to fix compromised teeth or used over dental implant or to improve shape, appearance and function of a tooth. Dental Bridges are used to replace the gap left by the missing tooth.

IMPORTANCE: If the crown is not done when recommended the tooth is susceptible to fracture.

Types:

1. PORCELAIN FUSED TO METAL: Has a metal core and porcelain on the outside.

Advantages:

Cheaper than ceramic

Disadvantages:

Esthetics are lesser than ceramic & Porcelain can chip

2. IPS EMAX CROWNS (lithium disilicate): Has a metal core and porcelain on the outside.

Advantages:

Superior esthetics good for the front teeth.

Disadvantages:

Used for single crowns, veneers and front teeth.

3. ZIRCONIA / CAD CAM CROWNS: milled from Ingots using digital scanners and printers

Advantages:

Very high strength-used for posterior teeth and front bridges 5-10 years, even lifelong guarantee

Disadvantages:

Less translucency than empress.

4. Other Types of Crowns: Gold, Metal Allay, Acrylic

5. Crowns for Kids: Stainless steel and Polycarbonate crowns

PROCEDURE: The dentist reduces the overall size of the tooth and records impressions and photos of the tooth. These are shared with a dental laboratory. The final crown is fitted in 2-3days after confirming contacts, floss, margins, height, and shade and after consent from the patient. Cementation can be done by Intermediate and Final cements.

Indications For Crowns:

  • Cover Implant
  • Protects after Root Canal Treatment- tooth brittle
  • Fractured tooth
  • Improve shape of tooth
  • Largely filled tooth- tooth crown structure weak

Dental Bridge: Ideally choice for replacing teeth is by dental implant. But the next best choice is by doing a dental bridge. Material of choice can be either PFM or Zirconia like for single crowns. EMAX is not recommended for Bridges.

If not done: The neighboring tooth can migrate into the missing tooth space by rotation, migration, drifting, opposing tooth supraeruption. This will lead to space loss, periodontal problems, disturbed bite and TMJ disorders.

Have a Dental Problem? : For appointments +971- 4 294 9757   +971- 50 205 5450

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