Repairing fractured porcelain: how surface preparation affects shear force resistance

Article Abstract:

Small cracks in porcelain dental crowns and bridgework with underlying metal structures may be repaired with resin compounds and bonding systems that bind to the porcelain exterior. Researchers made and tested repairs on 14 groups of 10 porcelain rods. The repair was most stable if the surface of the porcelain glaze was broken with hydrofluoric acid etching or sandblasting. Treatment of the porcelain with a silane compound before repair led to a stronger bond when the rod was exposed to physical stress and temperature fluctuations, which weaken such repairs. Of the various bonding systems tested, Ultradent had the greatest bond strength.

Evaluation, Dental bonding, Crowns (Dentistry)

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Repairing fractured porcelain-fused-to-metal bridge pontics

Article Abstract:

Dentists describe a technique for repairing a fractured dental bridge without actually removing it. This technique costs just one-fourth what it would cost to make and install a new bridge. It also spares the patient's existing teeth and gums from the trauma of removing a damaged bridge and installing a new one.

General services

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Technique for temporarily repairing the complete fracture of an anterior tooth

Article Abstract:

A simple, esthetic and quick technique for the repair of fractured anterior tooth is suggested. The composite core-handle method is used.

United States, Care and treatment, Tooth fractures

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