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PubMed · 10337267

Precise, full-arch fixed mandibular implant-retained restorations.

S M Schmitt
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Abstract

Many completely edentulous patients would prefer to have their missing teeth replaced with fixed, implant-retained restorations that restore normal form and function. Unlike natural teeth, implants are rigidly attached to the supporting alveolar bone and require unique laboratory procedures.

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Dental Casting TechniqueDental PolishingDental Prosthesis DesignDental Prosthesis, Implant-SupportedElectrolysisHumansMandibleMetallurgyTechnology, DentalJournal Article

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S M Schmitt. Precise, full-arch fixed mandibular implant-retained restorations.. https://pubmed.ncbi.nlm.nih.gov/10337267/

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Bar-and-clip attachments for dental implants are a common and versatile device for improving the retention and stability of a removable prosthesis. Manufactured clips may be unsubstantial and may not always fit or provide the desired amount of retention for the bar. The purpose of this article is to describe a technique for custom fabrication of clip attachments. The wax pattern of the clips is fabricated and then cast in dental gold alloy. The gold clips are then cut to an appropriate size that will allow for a variety of clinical applications.

Dental Casting Technique↗
PubMed2006

[Effects of laser welding on bond of porcelain fused cast pure titanium].

OBJECTIVE: To investigate the influence of the laser welding on bond of porcelain fused to cast pure titanium. METHODS: Twenty cast titanium plates were divided into two groups: laser welded group and control group. The low-fusing porcelain was fused to the laser welded cast pure titanium plates at fusion zone. The bond strength of the porcelain to laser welded cast pure titanium was measured by the three-point bending test. The interface of titanium and porcelain was investigated by scanning electron microscopy (SEM) and energy depressive X-ray detector (EDX). The non-welded titanium plates were used as comparison. RESULTS: No significant difference of the bond strength was found between laser-welded samples [(46.85 +/- 0.76) MPa] and the controls [(41.71 +/- 0.55) MPa] (P > 0.05). The SEM displayed the interface presented similar irregularities with a predominance. The titanium diffused to low-fusing porcelain, while silicon and aluminum diffused to titanium basement. CONCLUSIONS: Laser welding does not affect low-fusing porcelain fused to pure titanium.

Dental Casting Technique↗