Posterior partial crowns out of lithium disilicate (LS2) with or without posts: A randomized controlled prospective clinical trial with a 3-year follow up
The objective of this randomized controlled trial was to assess the influence of use of posts as well as the type of posterior tooth (premolars vs molars) for the treatment with lithium disilicate (LS2) partial crowns. A total of 60 patients were treated with posterior LS2 partial crowns. Two groups...
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| Veröffentlicht in: | Journal of dentistry 2019-04, Vol.83, p.12-17 |
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| creator | Ferrari, M. Ferrari Cagidiaco, E. Goracci, C. Sorrentino, R. Zarone, F. Grandini, S. Joda, Tim |
| description | The objective of this randomized controlled trial was to assess the influence of use of posts as well as the type of posterior tooth (premolars vs molars) for the treatment with lithium disilicate (LS2) partial crowns.
A total of 60 patients were treated with posterior LS2 partial crowns. Two groups (n = 60) were made based on the type of restored tooth: Group 1, premolars and Group 2, molars. The samples of each group were divided into 2 subgroups (n = 30): Subgroup A restored with fiber posts and Subgroup B without them. Clinical and intraoral radiographic examinations were assessed during each recall (6 months and, 1, 2, and 3 years). Kaplan-Meier log-rank test and Cox regression analysis (Pp < 0.05) were applied.
Three subgroups showed 100% of survival while group 2 A exhibited the lowest performance (93.3%). The Cox regression analysis showed that the presence of the post was not a significant factor for survival time (Hazard Ratio HR = 0388; CI95% Confidence Interval for H R = 0,1- to 1,5; pp = 017).
Tooth type had an influence on survival time that was at the limit of statistical significance (Hazard Ratio HR = 0123; CI95% Confidence Interval for HR = 0 0015- to 0997; p = 005). Particularly, failure risk was greater for premolars. ‘Post by tooth type’ interactions were not statistically significant (p = 0126).
over a 3-year observation period, the clinical performance of endodontically treated teeth restored with lithium disilicate partial crowns was not significantly affected by the use of a fiber post and by the type of tooth (premolars or molars). |
| doi_str_mv | 10.1016/j.jdent.2019.01.004 |
| format | Article |
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A total of 60 patients were treated with posterior LS2 partial crowns. Two groups (n = 60) were made based on the type of restored tooth: Group 1, premolars and Group 2, molars. The samples of each group were divided into 2 subgroups (n = 30): Subgroup A restored with fiber posts and Subgroup B without them. Clinical and intraoral radiographic examinations were assessed during each recall (6 months and, 1, 2, and 3 years). Kaplan-Meier log-rank test and Cox regression analysis (Pp < 0.05) were applied.
Three subgroups showed 100% of survival while group 2 A exhibited the lowest performance (93.3%). The Cox regression analysis showed that the presence of the post was not a significant factor for survival time (Hazard Ratio HR = 0388; CI95% Confidence Interval for H R = 0,1- to 1,5; pp = 017).
Tooth type had an influence on survival time that was at the limit of statistical significance (Hazard Ratio HR = 0123; CI95% Confidence Interval for HR = 0 0015- to 0997; p = 005). Particularly, failure risk was greater for premolars. ‘Post by tooth type’ interactions were not statistically significant (p = 0126).
over a 3-year observation period, the clinical performance of endodontically treated teeth restored with lithium disilicate partial crowns was not significantly affected by the use of a fiber post and by the type of tooth (premolars or molars).</description><identifier>ISSN: 0300-5712</identifier><identifier>EISSN: 1879-176X</identifier><identifier>DOI: 10.1016/j.jdent.2019.01.004</identifier><identifier>PMID: 30716452</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Clinical trial ; Clinical trials ; Confidence intervals ; Crowns ; Dental bonding ; Dental crowns ; Dental Porcelain ; Dental prosthesis ; Dental Prosthesis Design ; Dental Restoration Failure ; Dental surgery ; Dentistry ; Endodontics ; Follow-Up Studies ; Humans ; Lithium ; Molars ; Post and Core Technique ; Premolars ; Prospective Studies ; Prosthetic dentistry/prosthodontics ; Prosthodontics ; Randomization ; Rank tests ; Regression analysis ; Statistical analysis ; Statistical methods ; Statistical significance ; Subgroups ; Survival ; Teeth ; Tooth, Nonvital</subject><ispartof>Journal of dentistry, 2019-04, Vol.83, p.12-17</ispartof><rights>2019 Elsevier Ltd</rights><rights>Copyright © 2019 Elsevier Ltd. All rights reserved.</rights><rights>2019. Elsevier Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c387t-451bbb9011e8ee6d7d54b6ae3a0552556c530516e6c7f23b530344b676e06eac3</citedby><cites>FETCH-LOGICAL-c387t-451bbb9011e8ee6d7d54b6ae3a0552556c530516e6c7f23b530344b676e06eac3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jdent.2019.01.004$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30716452$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ferrari, M.</creatorcontrib><creatorcontrib>Ferrari Cagidiaco, E.</creatorcontrib><creatorcontrib>Goracci, C.</creatorcontrib><creatorcontrib>Sorrentino, R.</creatorcontrib><creatorcontrib>Zarone, F.</creatorcontrib><creatorcontrib>Grandini, S.</creatorcontrib><creatorcontrib>Joda, Tim</creatorcontrib><title>Posterior partial crowns out of lithium disilicate (LS2) with or without posts: A randomized controlled prospective clinical trial with a 3-year follow up</title><title>Journal of dentistry</title><addtitle>J Dent</addtitle><description>The objective of this randomized controlled trial was to assess the influence of use of posts as well as the type of posterior tooth (premolars vs molars) for the treatment with lithium disilicate (LS2) partial crowns.
A total of 60 patients were treated with posterior LS2 partial crowns. Two groups (n = 60) were made based on the type of restored tooth: Group 1, premolars and Group 2, molars. The samples of each group were divided into 2 subgroups (n = 30): Subgroup A restored with fiber posts and Subgroup B without them. Clinical and intraoral radiographic examinations were assessed during each recall (6 months and, 1, 2, and 3 years). Kaplan-Meier log-rank test and Cox regression analysis (Pp < 0.05) were applied.
Three subgroups showed 100% of survival while group 2 A exhibited the lowest performance (93.3%). The Cox regression analysis showed that the presence of the post was not a significant factor for survival time (Hazard Ratio HR = 0388; CI95% Confidence Interval for H R = 0,1- to 1,5; pp = 017).
Tooth type had an influence on survival time that was at the limit of statistical significance (Hazard Ratio HR = 0123; CI95% Confidence Interval for HR = 0 0015- to 0997; p = 005). Particularly, failure risk was greater for premolars. ‘Post by tooth type’ interactions were not statistically significant (p = 0126).
over a 3-year observation period, the clinical performance of endodontically treated teeth restored with lithium disilicate partial crowns was not significantly affected by the use of a fiber post and by the type of tooth (premolars or molars).</description><subject>Clinical trial</subject><subject>Clinical trials</subject><subject>Confidence intervals</subject><subject>Crowns</subject><subject>Dental bonding</subject><subject>Dental crowns</subject><subject>Dental Porcelain</subject><subject>Dental prosthesis</subject><subject>Dental Prosthesis Design</subject><subject>Dental Restoration Failure</subject><subject>Dental surgery</subject><subject>Dentistry</subject><subject>Endodontics</subject><subject>Follow-Up Studies</subject><subject>Humans</subject><subject>Lithium</subject><subject>Molars</subject><subject>Post and Core Technique</subject><subject>Premolars</subject><subject>Prospective Studies</subject><subject>Prosthetic dentistry/prosthodontics</subject><subject>Prosthodontics</subject><subject>Randomization</subject><subject>Rank tests</subject><subject>Regression analysis</subject><subject>Statistical analysis</subject><subject>Statistical methods</subject><subject>Statistical significance</subject><subject>Subgroups</subject><subject>Survival</subject><subject>Teeth</subject><subject>Tooth, Nonvital</subject><issn>0300-5712</issn><issn>1879-176X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kcGKFDEQhoMo7jj6BIIEvKyHbpNOJ5kWPCyLuwoDCip4C-l0Nabp6bRJeof1UXxaq3dWDx48VUJ99Vfx_4Q856zkjKvXQzl0MOWyYrwpGS8Zqx-QDd_ppuBafXtINkwwVkjNqzPyJKWBIcGq5jE5E0xzVctqQ359CilD9CHS2cbs7UhdDMcp0bBkGno6-vzdLwfa-eRH72wGer7_XL2iR2xQHFvrys4olN7QCxrt1IWD_wkddWHKMYwjPucY0gwu-xugbvQTSo00x3XhnZKlorgFG2mPfDjSZX5KHvV2TPDsvm7J16t3Xy7fF_uP1x8uL_aFEzudi1rytm0bxjnsAFSnO1m3yoKwTMpKSuWkYJIrUE73lWjxJ2oktAKmwDqxJecnXTzxxwIpm4NPDsbRThCWZCquG8l0IxSiL_9Bh7DECa9Dqmm4rjmqb4k4UehkShF6M0d_sPHWcGbW6Mxg7qIza3SGcYPB4NSLe-2lPUD3d-ZPVgi8PQGAZtx4iCY5D5ODzkc01nTB_3fBb7cjrIY</recordid><startdate>201904</startdate><enddate>201904</enddate><creator>Ferrari, M.</creator><creator>Ferrari Cagidiaco, E.</creator><creator>Goracci, C.</creator><creator>Sorrentino, R.</creator><creator>Zarone, F.</creator><creator>Grandini, S.</creator><creator>Joda, Tim</creator><general>Elsevier Ltd</general><general>Elsevier Limited</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>7QF</scope><scope>7QP</scope><scope>7QQ</scope><scope>7SE</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>H8G</scope><scope>JG9</scope><scope>K9.</scope><scope>7X8</scope></search><sort><creationdate>201904</creationdate><title>Posterior partial crowns out of lithium disilicate (LS2) with or without posts: A randomized controlled prospective clinical trial with a 3-year follow up</title><author>Ferrari, M. ; Ferrari Cagidiaco, E. ; Goracci, C. ; Sorrentino, R. ; Zarone, F. ; Grandini, S. ; Joda, Tim</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c387t-451bbb9011e8ee6d7d54b6ae3a0552556c530516e6c7f23b530344b676e06eac3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Clinical trial</topic><topic>Clinical trials</topic><topic>Confidence intervals</topic><topic>Crowns</topic><topic>Dental bonding</topic><topic>Dental crowns</topic><topic>Dental Porcelain</topic><topic>Dental prosthesis</topic><topic>Dental Prosthesis Design</topic><topic>Dental Restoration Failure</topic><topic>Dental surgery</topic><topic>Dentistry</topic><topic>Endodontics</topic><topic>Follow-Up Studies</topic><topic>Humans</topic><topic>Lithium</topic><topic>Molars</topic><topic>Post and Core Technique</topic><topic>Premolars</topic><topic>Prospective Studies</topic><topic>Prosthetic dentistry/prosthodontics</topic><topic>Prosthodontics</topic><topic>Randomization</topic><topic>Rank tests</topic><topic>Regression analysis</topic><topic>Statistical analysis</topic><topic>Statistical methods</topic><topic>Statistical significance</topic><topic>Subgroups</topic><topic>Survival</topic><topic>Teeth</topic><topic>Tooth, Nonvital</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ferrari, M.</creatorcontrib><creatorcontrib>Ferrari Cagidiaco, E.</creatorcontrib><creatorcontrib>Goracci, C.</creatorcontrib><creatorcontrib>Sorrentino, R.</creatorcontrib><creatorcontrib>Zarone, F.</creatorcontrib><creatorcontrib>Grandini, S.</creatorcontrib><creatorcontrib>Joda, Tim</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of dentistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ferrari, M.</au><au>Ferrari Cagidiaco, E.</au><au>Goracci, C.</au><au>Sorrentino, R.</au><au>Zarone, F.</au><au>Grandini, S.</au><au>Joda, Tim</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Posterior partial crowns out of lithium disilicate (LS2) with or without posts: A randomized controlled prospective clinical trial with a 3-year follow up</atitle><jtitle>Journal of dentistry</jtitle><addtitle>J Dent</addtitle><date>2019-04</date><risdate>2019</risdate><volume>83</volume><spage>12</spage><epage>17</epage><pages>12-17</pages><issn>0300-5712</issn><eissn>1879-176X</eissn><abstract>The objective of this randomized controlled trial was to assess the influence of use of posts as well as the type of posterior tooth (premolars vs molars) for the treatment with lithium disilicate (LS2) partial crowns.
A total of 60 patients were treated with posterior LS2 partial crowns. Two groups (n = 60) were made based on the type of restored tooth: Group 1, premolars and Group 2, molars. The samples of each group were divided into 2 subgroups (n = 30): Subgroup A restored with fiber posts and Subgroup B without them. Clinical and intraoral radiographic examinations were assessed during each recall (6 months and, 1, 2, and 3 years). Kaplan-Meier log-rank test and Cox regression analysis (Pp < 0.05) were applied.
Three subgroups showed 100% of survival while group 2 A exhibited the lowest performance (93.3%). The Cox regression analysis showed that the presence of the post was not a significant factor for survival time (Hazard Ratio HR = 0388; CI95% Confidence Interval for H R = 0,1- to 1,5; pp = 017).
Tooth type had an influence on survival time that was at the limit of statistical significance (Hazard Ratio HR = 0123; CI95% Confidence Interval for HR = 0 0015- to 0997; p = 005). Particularly, failure risk was greater for premolars. ‘Post by tooth type’ interactions were not statistically significant (p = 0126).
over a 3-year observation period, the clinical performance of endodontically treated teeth restored with lithium disilicate partial crowns was not significantly affected by the use of a fiber post and by the type of tooth (premolars or molars).</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>30716452</pmid><doi>10.1016/j.jdent.2019.01.004</doi><tpages>6</tpages></addata></record> |
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| ispartof | Journal of dentistry, 2019-04, Vol.83, p.12-17 |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Clinical trial Clinical trials Confidence intervals Crowns Dental bonding Dental crowns Dental Porcelain Dental prosthesis Dental Prosthesis Design Dental Restoration Failure Dental surgery Dentistry Endodontics Follow-Up Studies Humans Lithium Molars Post and Core Technique Premolars Prospective Studies Prosthetic dentistry/prosthodontics Prosthodontics Randomization Rank tests Regression analysis Statistical analysis Statistical methods Statistical significance Subgroups Survival Teeth Tooth, Nonvital |
| title | Posterior partial crowns out of lithium disilicate (LS2) with or without posts: A randomized controlled prospective clinical trial with a 3-year follow up |
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