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Impression techniques for removable partial dentures.

This article concerns a subject that has been very perplexing to dentists attempting to provide superior removable prosthetic services. The techniques in this article have been developed, tried, and proven over 42 years of clinical practice. Adequate impressions for partial denture construction when crowns that have been fitted to the mouth are included as part of the master cast. The dilemma of having already cemented crowns with attachments on them can be a problem. An easy technique has been developed for analog production in these cases.

Alginates↗
PubMed2002

Laminar technique.

Explore the source record for details and available documents.

Dental Impression Materials↗
PubMed2002

The suitability of head-of-implant and conventional abutment impression techniques for implant-retained three unit bridges: an in vitro study.

This study compares the accuracy of master casts produced from impressions of implants using an abutment or a head-of-implant technique. The method used a Tandem Scanning Confocal Microscope to measure the dimensions of the gap between master casts produced by the two impression techniques and a custom made bridge. The median gap of 14 microns (interquartile range 10-17.9 microns) on the non-screwed side of the abutment impression was greater than the median gap of 7.5 microns (5-17.6 microns) for the head-of-implant impression and this difference was statistically significant (P < 0.005). In addition, the median gap on the screwed down side of the abutment impression of 10 microns, (6.3-12.1 microns) was greater than that of the head-of-implant of 5.5 microns (0.0-8.0 microns) and this difference was also statistically significant (P < 0.001). The head-of-implant impression produced a more accurate fit than the conventional abutment impression.

Dental Abutments↗
PubMed2003

Gingival prostheses--a review.

Gingival replacement is often a component of comprehensive prosthodontics. Gingival prostheses may be fixed or removable and may be made from acrylics, composite resins, silicones or porcelain-based materials. Undercuts or dental attachments are used to secure removable prostheses, which are esthetically pleasing and easy to maintain. This paper describes several clinical situations in which gingival prostheses were used effectively.

Acrylic Resins↗
PubMed2003

A modified impression technique for accurate registration of peri-implant soft tissues.

Replacement of single missing teeth with an implant-supported restoration is recognized as a highly successful treatment. An impression technique for peri-implant soft-tissue replication in an anterior zone is described. The technique involves use of an interim restoration as an abutment for the final impression. This allows accurate duplication of the soft tissues and fabrication of a final restoration with the correct emergence profile.

Adult↗