Results 161 to 170 of about 1,237,100 (203)
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An indirect technique for fabrication of a post and core wax pattern
The Journal of Prosthetic Dentistry, 2002Indirect techniques for the fabrication of posts and cores provide some advantages over direct techniques. Indirect fabrication allows parallelism and design to be optimized. This becomes particularly important when multiple abutments are prepared. The laboratory technique, however, can create some difficulties.
Theresa M, Hofstede, Carlo, Ercoli
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A technique to ensure the reproducibility of a cast post and core
The Journal of Prosthetic Dentistry, 2014The post-and-core pattern duplication technique is a simple, cost-effective, and accurate method of ensuring the reproducibility of a cast post and core. An acrylic resin pattern is fabricated for an endodontically treated tooth. The post portion of the pattern is duplicated with a polyvinyl siloxane impression material in the lower compartment of a ...
Haitem M M, Naas +3 more
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A simple technique for retrofitting a post and core to a crown
The Journal of Prosthetic Dentistry, 2002Fabrication of the post and core generally precedes fabrication of the final restoration. Several techniques have been described for making a post and core pattern with autopolymerzing acrylic resin or wax to retrofit an existing crown.1-5 This tip presents a modification of the technique described by Priest and Goerig.4 In our experience, the ...
Leila, Jahangiri, Jian, Feng
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A Prosthetically Guided Technique for Cast Post-and-Core Fabrication.
Compendium of continuing education in dentistry (Jamesburg, N.J. : 1995), 2021Despite it being an older, conventional production method, the cast metal post and core is still often considered the best option for the restoration of severely damaged teeth. The direct technique for fabrication of cast post-and-core patterns, however, can pose challenges due to the inefficiencies and guesswork involved in creating an appropriate ...
Jason D, Lee, Mona, Khan, Sang J, Lee
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T-pins in a direct pattern technique for posts and cores
The Journal of Prosthetic Dentistry, 1978A practical direct technique for making post and core impressions with a T-pin and self-curing acrylic resin was described. Emphasis was placed on the function of the T-shaped plastic pin in fabricating the pattern. Clinical procedures for each step were described in detail.
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The Quality of Post and Cores Made Using a Reduce-Time Casting Technique
Operative Dentistry, 2009SUMMARY Objectives: This study investigated the castability or casting completeness, surface roughness and dimensional accuracy of castings produced using a technique that requires as little as 24 minutes from the time of investment. Methods and Materials: A total of 225 gold castings (45 per group) were fabricated using two standard ...
Paul A, Hansen +3 more
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Cement spacing for the one‐step post‐core and crown. A new laboratory technique
Australian Dental Journal, 1989AbstractA technique to provide cement spacing for cast post‐cores prior to construction of their crowns is described. The axial lift of crowns cemented with zinc phosphate was greater, but not significantly, for crowns constructed on non‐spaced post‐cores compared with crowns constructed on spaced post‐cores. Three materials were evaluated to determine
Darveniza, M, Cheong, K, Basford, KE
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International Endodontic Journal, 2014
AbstractAimTo investigate interfacial stress distribution in restored root filled teeth with various post lengths and crown heights.MethodologyThree‐dimensional mathematical models of a root filled mandibular premolar tooth were constructed. Parts of the tooth structures were replaced with ceramic crowns having three crown heights incorporating, either
Kainose, K. +4 more
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AbstractAimTo investigate interfacial stress distribution in restored root filled teeth with various post lengths and crown heights.MethodologyThree‐dimensional mathematical models of a root filled mandibular premolar tooth were constructed. Parts of the tooth structures were replaced with ceramic crowns having three crown heights incorporating, either
Kainose, K. +4 more
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A nonparallel cast post and core technique for teeth with divergent canals
The Journal of Prosthetic Dentistry, 1981Abstract Current techniques of cast post and core construction have been adapted to the tooth with multiple divergent canals. Precision, nonparallel accessory posts consistently increase the retentive surface area of the cast post and core, minimize the chance of root perforation during tooth preparation, and redestribute the forces of occlusion.
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Technique for the fabrication of a cast post and core with nonprecious metal
The Journal of the American Dental Association, 1977A technique for the construction of a cast post and core with a nonprecious metal is described. The technique is a practical and inexpensive approach to the construction of this type of restoration.
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