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Materials for interocclusal records and their ability to reproduce a 3-dimensional jaw relationship
Karolinska Inst, Dept Dent Biomat Sci, Huddinge, Sweden Linkoping Univ, Dept Math, S-58183 Linkoping, Sweden.
Karolinska Inst, Dept Dent Biomat Sci, Huddinge, Sweden Linkoping Univ, Dept Math, S-58183 Linkoping, Sweden.
2000 (English)In: International Journal of Prosthodontics, ISSN 0893-2174, E-ISSN 1139-9791, Vol. 13, no 2, 152-158 p.Article in journal (Refereed) Published
Abstract [en]

Purpose: The purpose of this study was to determine if accuracy and dimensional stability of vinyl polysiloxanes and irreversible hydrocolloids stabilized by a tray used for fixed prosthodontics, removable partial, and complete denture cases are comparable to those of waxes and record rims and if storage time (24 hours or 6 days) affects dimensional stability of the tested materials. Materials and Methods: Two waxes, two record rims, three vinyl polysiloxanes, and one irreversible hydrocolloid (alginate) were examined. Three pairs of master casts with measuring steel rods were mounted on an articulator (initial position). Five records were made of each material, and the upper cast was remounted after 24 hours or 6 days so that deviations from the initial position could be measured. Results: Vinyl polysiloxanes reinforced by a stabilization tray were the most accurate materials able to reproduce a settled interocclusal position. Mounting casts (fixed prosthodontics cases) without records gave accuracy similar to wax records. Record rims used for removable partial and complete denture cases produced lesser accuracy than vinyl polysiloxanes and irreversible hydrocolloid stabilized by a tray. Accuracy was not significantly affected by storage time. Conclusion: The results show that accuracy of vinyl polysiloxanes and irreversible hydrocolloids reinforced by a tray is superior to that of record rims with regard to the complete denture case and is among the most accurate with regard to the removable partial denture case. For fixed prosthodontics, however, reinforcement is unnecessary.

Place, publisher, year, edition, pages
2000. Vol. 13, no 2, 152-158 p.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-49813OAI: oai:DiVA.org:liu-49813DiVA: diva2:270709
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-12

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
  • html
  • text
  • asciidoc
  • rtf