Marginal Adaptation and Color Stability of Four Provisional Materials
dc.contributor.author | Givens, Edward J. | en_US |
dc.contributor.author | Neiva, Gisele F. | en_US |
dc.contributor.author | Yaman, Peter | en_US |
dc.contributor.author | Dennison, Joseph B. | en_US |
dc.date.accessioned | 2010-06-01T21:45:03Z | |
dc.date.available | 2010-06-01T21:45:03Z | |
dc.date.issued | 2008-02 | en_US |
dc.identifier.citation | Givens, Edward J.; Neiva, Gisele; Yaman, Peter; Dennison, Joseph B. (2008). "Marginal Adaptation and Color Stability of Four Provisional Materials." Journal of Prosthodontics 17(2): 97-101. <http://hdl.handle.net/2027.42/74793> | en_US |
dc.identifier.issn | 1059-941X | en_US |
dc.identifier.issn | 1532-849X | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/74793 | |
dc.identifier.uri | http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=retrieve&db=pubmed&list_uids=17971123&dopt=citation | en_US |
dc.description.abstract | Purpose: A number of provisional restorative materials exist on the market. This study tested marginal fit and color stability of three provisional restorative materials and a control. Materials and Methods: Two auto-cure materials, Protemp Garant and Integrity, and one dual-cure material, Luxatemp Solar, were tested against SNAP, a polyethyl methacrylate control. A maxillary right central incisor ivorine tooth was prepared for a full coverage all-ceramic crown, with a 1.5-mm chamfer margin. Four points were engraved at a point 1 mm below the facial, lingual, mesial, and distal margins, and replicas (n = 40) were produced by the manufacturer. Provisional crowns (n = 10 × 4) were fabricated on the individual replicas using a polyethylene coping template. The crowns were trimmed under magnification using an acrylic bur. The distance from the crown margins to a point tangent to the engraved markings was measured under 10× magnification and recorded. For color stability, 10-mm diameter × 2-mm thick discs (n = 10 × 4) were fabricated and immersed cyclically in tea for 1 week in a Tucillo/Nielson apparatus. Color measurements were recorded for each specimen at baseline and after staining. ΔE values were calculated to determine the extent of the color change. Results: The means of the four marginal discrepancy measurements for each specimen were analyzed using a 1-way ANOVA and Tukey post-hoc comparison. Luxatemp Solar had statistically significant marginal discrepancy (319 Μm, p < 0.05) when compared to the other provisional materials. A significant color change (ΔE = 4.33, p < 0.05) was found for Protemp Garant. Conclusion: The dual-cure temporary material (Luxatemp Solar) exhibited significantly more discrepancy at the margin than the auto-cure bis-acryl materials or acrylic control. Protemp Garant exhibited a clinically noticeable change in shade after 1 week in staining solution, whereas the other materials did not exhibit a clinically noticeable change. Clinical Implications: Provisional crowns fabricated from SNAP, Protemp Garant, and Integrity exhibited similarly low marginal discrepancy. SNAP, Luxatemp Solar, and Integrity did not demonstrate a clinically detectable change in shade after 1 week in a staining solution. | en_US |
dc.format.extent | 219741 bytes | |
dc.format.extent | 3109 bytes | |
dc.format.mimetype | application/pdf | |
dc.format.mimetype | text/plain | |
dc.publisher | Blackwell Publishing Inc | en_US |
dc.rights | 2007 by The American College of Prosthodontists | en_US |
dc.subject.other | Marginal Fit | en_US |
dc.subject.other | Color Stability | en_US |
dc.subject.other | Provisional Materials | en_US |
dc.title | Marginal Adaptation and Color Stability of Four Provisional Materials | en_US |
dc.type | Article | en_US |
dc.subject.hlbsecondlevel | Dentistry | en_US |
dc.subject.hlbtoplevel | Health Sciences | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | School of Dentistry, The University of Michigan, Ann Arbor, MI | en_US |
dc.contributor.affiliationother | United States Navy | en_US |
dc.identifier.pmid | 17971123 | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/74793/1/j.1532-849X.2007.00256.x.pdf | |
dc.identifier.doi | 10.1111/j.1532-849X.2007.00256.x | en_US |
dc.identifier.source | Journal of Prosthodontics | en_US |
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dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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