Technique for temporizing Onlay preparations. Recurrent decay under Mercury Amalgam filling Broken...
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Transcript of Technique for temporizing Onlay preparations. Recurrent decay under Mercury Amalgam filling Broken...
Technique for temporizingOnlay preparations
Recurrent decay under Mercury Amalgam fillingBroken cusp – indicates Porcelain onlay restoration
Fracture isbelow thegingival
level
Diode laser used for gingivoplasty
Filled in the missing cusp with light curedblock out material: Ultradent
Temporary matrix button softened with heat. Eithera butane flame or hot water may be used.
Crown matrix – Advantage Dental 800-388-6319Turns clear and soft when heated
roll the softened matrix into a ball with wet glove.Adapt it over the tooth starting on lingual and slowlyAdapt over the occlusal and on to buccal
Cooling it with air water spray hardens the matrix.Paint the underside with Tempglaze or similar glaze
Mark the Buccal with an X or tooth number usingSharpie marker pen to help orient it later
Finished preparation for porcelain onlay
EZ Temp from Cosmodent
EZ Temp used to block out undercut areas only
Light cure EZ Temp
Fill the matrix form with Integrity and also flow some of it directly into the prep to cover the prep
Note the X on the buccal
Remove the form 3 minutes from the momentIntegrity dispensing started
Minimal flash to clean up
Temporary restoration is coronoplastied and Margins cleaned up. Any void may be filled in with flowable composite resin.
Temporary restoration 2 – 3 weeks later
Temporary restoration 2 – 3 weeks later
Onlay restoration on model
Final restorationdelivered.No open contacts.