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Implant Dent. 2010 Feb;19(1):50-6. doi: 10.1097/ID.0b013e3181bb8e2c.

Evaluation of rotational freedom of In-Ceram ceramic blank abutments before and after infiltration.

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  • 1Department of Fixed Prosthodontics and Occlusion, Saint-Joseph University, Beirut, Lebanon.

Abstract

PURPOSE:

Laboratory processing of implant-supported prostheses may alter the surface of the abutment in contact with the corresponding surface and thus the interface fit. This study assessed changes in the rotational freedom (R) at the interface of 1 implant ceramic abutments before and after preparation and glass infiltration processes.

MATERIALS AND METHODS:

The abutment R was assessed for 20 as-received In-Ceram Ceramic Blanks over synOcta abutments and after both preparation and infiltration procedures.

RESULTS:

Compared with the as-received blanks, there was a statistically significant (P < 0.009) increase of 0.8 minutes in the R after preparation and glass infiltration processes.

CONCLUSION:

The results of this investigation suggest that, if all laboratory steps are observed carefully, changes at the abutment interface of Ceramic Blanks do not occur.

PMID:
20147816
[PubMed - indexed for MEDLINE]
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