Tooth-colored restorations

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Tooth-colored restorations

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What is it?

Porcelain veneers are ceramic facings that primarily are bonded to the front surfaces of anterior teeth. The average thickness of a porcelain veneer is usually less than 0.75 mm. Typically, the teeth receiving porcelain veneers must first be lightly ground or prepared to make room for the veneers. For best results, these preparations must be kept in the enamel part of the tooth for optimal bonding and strength.

Operative sequence

Dr Deliperi has to slightly prepare the teeth, and then an impression is taken and sent to the dental laboratory. Dr Deliperi also fabricates tooth-colored temporary veneers that the patient wears during the time required for the fabrication of the final restorations. Temporary veneers protect the tooth and simulate the shape and color of the final porcelain veneers; patients may provide pictures or stone model of their teeth in a younger age to duplicate the original form of their teeth. The dental laboratory fabricates the porcelain veneers on the stone model obtained from the impression pouring.

On a subsequent appointment, porcelain veneers are tried in the mouth to assess fit, shape and color. If these parameters are satisfied, each porcelain veneer is cemented to the tooth with tooth-colored composite resin cement.

Once bonded to the enamel surfaces of the tooth, the porcelain veneer is very strong, although patients are still advised to avoid biting hard foods or objects, to prevent chipping.

Clinical indications

The clinical indications of porcelain veneers include:

  • Malformed teeth
  • Fractured teeth
  • Diastema closure
  • Discoloration if tooth-whitening did not work
  • Worn dentition (adult or old patients teeth)

Teeth with large restorations may not be suitable for porcelain veneers. In a similar scenario, Dr Deliperi recommends replacing the existing fillings with new ones; tooth whitening may be performed before replacing the fillings to choose a brighter filling material. Full-ceramic crowns are more indicated for severely destroyed teeth.

Advantages and Disadvantages

Porcelain veneers require a very conservative tooth preparation; they allow achieving an optimal aesthetic result. Once cemented to enamel, porcelain veneers reinforce the tooth structure. Please, note that the porcelain-enamel bond is very strong; it is the highest bond that can be achieved using dental adhesive systems.

Patients suffering from parafunction (bruxism or clenching) are not ideal candidates for porcelain veneers treatment; the parafunction should be treated first, then porcelain veneers may be planned.

Porcelain veneers represent an excellent treatment alternative for aesthetically compromised teeth and can provide many years of service when properly planned and placed

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