Evaluation of Two Protocols to Measure the Accuracy of Fixed Dental Prostheses: An In Vitro Study
Purpose The aim of this in vitro study was to compare two measurement protocols of the internal and marginal fit of three‐unit zirconia fixed dental prostheses (FDPs). Materials and Methods Forty‐four FDPs were fabricated for standardized dies by two laboratory CAD/CAM systems: Cercon (n = 22) and C...
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| Veröffentlicht in: | Journal of prosthodontics 2019-02, Vol.28 (2), p.e599-e603 |
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| creator | Schönberger, Joana Erdelt, Kurt‐Jürgen Bäumer, Daniel Beuer, Florian |
| description | Purpose
The aim of this in vitro study was to compare two measurement protocols of the internal and marginal fit of three‐unit zirconia fixed dental prostheses (FDPs).
Materials and Methods
Forty‐four FDPs were fabricated for standardized dies by two laboratory CAD/CAM systems: Cercon (n = 22) and Ceramill (n = 22). The fitting was tested using a replica technique (RT = technique 1) with a light‐body silicone stabilized with heavy‐body material. After producing the replicas, cross‐sections were made in the buccolingual and mesiodistal directions. FDPs were cemented on definitive dies, embedded, and sectioned (CST = technique 2). The marginal and internal fits were measured under an optical microscope at 50x magnification with a special software program. Data evaluation was performed according to prior studies at a level of significance of 5%.
Results
The mean internal gap width was 51 ± 36 μm for the RT and 52 ± 35 μm for the cross‐section technique (CST) (p = 0.74). The mean marginal gap width was 27 ± 18 μm for RT and 30 ± 19 μm for CST (p = 0.19). Statistical tests showed no significant differences (p > 0.05).
Conclusions
Both techniques can be used for fit evaluation; however, the noninvasive RT is suitable for clinical use. |
| doi_str_mv | 10.1111/jopr.12583 |
| format | Article |
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The aim of this in vitro study was to compare two measurement protocols of the internal and marginal fit of three‐unit zirconia fixed dental prostheses (FDPs).
Materials and Methods
Forty‐four FDPs were fabricated for standardized dies by two laboratory CAD/CAM systems: Cercon (n = 22) and Ceramill (n = 22). The fitting was tested using a replica technique (RT = technique 1) with a light‐body silicone stabilized with heavy‐body material. After producing the replicas, cross‐sections were made in the buccolingual and mesiodistal directions. FDPs were cemented on definitive dies, embedded, and sectioned (CST = technique 2). The marginal and internal fits were measured under an optical microscope at 50x magnification with a special software program. Data evaluation was performed according to prior studies at a level of significance of 5%.
Results
The mean internal gap width was 51 ± 36 μm for the RT and 52 ± 35 μm for the cross‐section technique (CST) (p = 0.74). The mean marginal gap width was 27 ± 18 μm for RT and 30 ± 19 μm for CST (p = 0.19). Statistical tests showed no significant differences (p > 0.05).
Conclusions
Both techniques can be used for fit evaluation; however, the noninvasive RT is suitable for clinical use.</description><identifier>ISSN: 1059-941X</identifier><identifier>EISSN: 1532-849X</identifier><identifier>DOI: 10.1111/jopr.12583</identifier><identifier>PMID: 28152234</identifier><language>eng</language><publisher>United States: Wiley Subscription Services, Inc</publisher><subject>Computer-Aided Design ; Computer‐aided design/computer‐aided manufacturing ; cross‐section technique ; Dental Marginal Adaptation ; Dental prosthetics ; Denture Design - methods ; Denture, Partial, Fixed ; Humans ; In Vitro Techniques ; marginal and internal fit measurement ; pre‐sintered zirconia ; Prostheses ; replica technique ; Silicones ; Statistical analysis ; Zirconia</subject><ispartof>Journal of prosthodontics, 2019-02, Vol.28 (2), p.e599-e603</ispartof><rights>2017 by the American College of Prosthodontists</rights><rights>2017 by the American College of Prosthodontists.</rights><rights>2019 American College of Prosthodontists</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3573-16e7f3e93d11c398ad005e2e48ca15efbc6e084269096c0ab2542a9d13611b5d3</citedby><cites>FETCH-LOGICAL-c3573-16e7f3e93d11c398ad005e2e48ca15efbc6e084269096c0ab2542a9d13611b5d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fjopr.12583$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fjopr.12583$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27922,27923,45572,45573</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28152234$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Schönberger, Joana</creatorcontrib><creatorcontrib>Erdelt, Kurt‐Jürgen</creatorcontrib><creatorcontrib>Bäumer, Daniel</creatorcontrib><creatorcontrib>Beuer, Florian</creatorcontrib><title>Evaluation of Two Protocols to Measure the Accuracy of Fixed Dental Prostheses: An In Vitro Study</title><title>Journal of prosthodontics</title><addtitle>J Prosthodont</addtitle><description>Purpose
The aim of this in vitro study was to compare two measurement protocols of the internal and marginal fit of three‐unit zirconia fixed dental prostheses (FDPs).
Materials and Methods
Forty‐four FDPs were fabricated for standardized dies by two laboratory CAD/CAM systems: Cercon (n = 22) and Ceramill (n = 22). The fitting was tested using a replica technique (RT = technique 1) with a light‐body silicone stabilized with heavy‐body material. After producing the replicas, cross‐sections were made in the buccolingual and mesiodistal directions. FDPs were cemented on definitive dies, embedded, and sectioned (CST = technique 2). The marginal and internal fits were measured under an optical microscope at 50x magnification with a special software program. Data evaluation was performed according to prior studies at a level of significance of 5%.
Results
The mean internal gap width was 51 ± 36 μm for the RT and 52 ± 35 μm for the cross‐section technique (CST) (p = 0.74). The mean marginal gap width was 27 ± 18 μm for RT and 30 ± 19 μm for CST (p = 0.19). Statistical tests showed no significant differences (p > 0.05).
Conclusions
Both techniques can be used for fit evaluation; however, the noninvasive RT is suitable for clinical use.</description><subject>Computer-Aided Design</subject><subject>Computer‐aided design/computer‐aided manufacturing</subject><subject>cross‐section technique</subject><subject>Dental Marginal Adaptation</subject><subject>Dental prosthetics</subject><subject>Denture Design - methods</subject><subject>Denture, Partial, Fixed</subject><subject>Humans</subject><subject>In Vitro Techniques</subject><subject>marginal and internal fit measurement</subject><subject>pre‐sintered zirconia</subject><subject>Prostheses</subject><subject>replica technique</subject><subject>Silicones</subject><subject>Statistical analysis</subject><subject>Zirconia</subject><issn>1059-941X</issn><issn>1532-849X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp90E1P7CAUBmBiNH5v7g-4IXFjTKocKBXcTcbvaDR-xR1h6GnspFNGaNX59zKO9y5cyAJYPLw5vIT8AbYPaR2M_TTsA5dKLJF1kIJnKtfPy-nOpM50Ds9rZCPGMWMAUsEqWeMKJOciXyf25M02ve1q31Jf0Yd3T2-D77zzTaSdp9doYx-Qdi9IB871wbrZHJ7WH1jSY2w728xfxAQixiM6aOlFS5_qLnh63_XlbIusVLaJuP19bpLH05OH4Xl2dXN2MRxcZU7IQ5FBgYeVQC1KACe0siVjEjnmylmQWI1cgUzlvNBMF47ZEZc5t7oEUQCMZCk2ye4idxr8a4-xM5M6Omwa26LvowFVSJk2DYnu_KBj34c2TWc4KMZ16lIntbdQLn0vBqzMNNQTG2YGmJkXb-bFm6_iE_77HdmPJlj-p_-aTgAW4L1ucPZLlLm8ub1bhH4CiaeMjA</recordid><startdate>201902</startdate><enddate>201902</enddate><creator>Schönberger, Joana</creator><creator>Erdelt, Kurt‐Jürgen</creator><creator>Bäumer, Daniel</creator><creator>Beuer, Florian</creator><general>Wiley Subscription Services, Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QP</scope><scope>K9.</scope><scope>7X8</scope></search><sort><creationdate>201902</creationdate><title>Evaluation of Two Protocols to Measure the Accuracy of Fixed Dental Prostheses: An In Vitro Study</title><author>Schönberger, Joana ; Erdelt, Kurt‐Jürgen ; Bäumer, Daniel ; Beuer, Florian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3573-16e7f3e93d11c398ad005e2e48ca15efbc6e084269096c0ab2542a9d13611b5d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Computer-Aided Design</topic><topic>Computer‐aided design/computer‐aided manufacturing</topic><topic>cross‐section technique</topic><topic>Dental Marginal Adaptation</topic><topic>Dental prosthetics</topic><topic>Denture Design - methods</topic><topic>Denture, Partial, Fixed</topic><topic>Humans</topic><topic>In Vitro Techniques</topic><topic>marginal and internal fit measurement</topic><topic>pre‐sintered zirconia</topic><topic>Prostheses</topic><topic>replica technique</topic><topic>Silicones</topic><topic>Statistical analysis</topic><topic>Zirconia</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Schönberger, Joana</creatorcontrib><creatorcontrib>Erdelt, Kurt‐Jürgen</creatorcontrib><creatorcontrib>Bäumer, Daniel</creatorcontrib><creatorcontrib>Beuer, Florian</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of prosthodontics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Schönberger, Joana</au><au>Erdelt, Kurt‐Jürgen</au><au>Bäumer, Daniel</au><au>Beuer, Florian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evaluation of Two Protocols to Measure the Accuracy of Fixed Dental Prostheses: An In Vitro Study</atitle><jtitle>Journal of prosthodontics</jtitle><addtitle>J Prosthodont</addtitle><date>2019-02</date><risdate>2019</risdate><volume>28</volume><issue>2</issue><spage>e599</spage><epage>e603</epage><pages>e599-e603</pages><issn>1059-941X</issn><eissn>1532-849X</eissn><abstract>Purpose
The aim of this in vitro study was to compare two measurement protocols of the internal and marginal fit of three‐unit zirconia fixed dental prostheses (FDPs).
Materials and Methods
Forty‐four FDPs were fabricated for standardized dies by two laboratory CAD/CAM systems: Cercon (n = 22) and Ceramill (n = 22). The fitting was tested using a replica technique (RT = technique 1) with a light‐body silicone stabilized with heavy‐body material. After producing the replicas, cross‐sections were made in the buccolingual and mesiodistal directions. FDPs were cemented on definitive dies, embedded, and sectioned (CST = technique 2). The marginal and internal fits were measured under an optical microscope at 50x magnification with a special software program. Data evaluation was performed according to prior studies at a level of significance of 5%.
Results
The mean internal gap width was 51 ± 36 μm for the RT and 52 ± 35 μm for the cross‐section technique (CST) (p = 0.74). The mean marginal gap width was 27 ± 18 μm for RT and 30 ± 19 μm for CST (p = 0.19). Statistical tests showed no significant differences (p > 0.05).
Conclusions
Both techniques can be used for fit evaluation; however, the noninvasive RT is suitable for clinical use.</abstract><cop>United States</cop><pub>Wiley Subscription Services, Inc</pub><pmid>28152234</pmid><doi>10.1111/jopr.12583</doi><tpages>5</tpages></addata></record> |
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| ispartof | Journal of prosthodontics, 2019-02, Vol.28 (2), p.e599-e603 |
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| source | MEDLINE; Wiley Online Library Journals Frontfile Complete |
| subjects | Computer-Aided Design Computer‐aided design/computer‐aided manufacturing cross‐section technique Dental Marginal Adaptation Dental prosthetics Denture Design - methods Denture, Partial, Fixed Humans In Vitro Techniques marginal and internal fit measurement pre‐sintered zirconia Prostheses replica technique Silicones Statistical analysis Zirconia |
| title | Evaluation of Two Protocols to Measure the Accuracy of Fixed Dental Prostheses: An In Vitro Study |
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