Evaluation of the accuracy of different transfer impression techniques for multiple implants

The aim of this study was to evaluate the accuracy of three implant transfer impression techniques. Four groups (n = 5) were defined, according to the technique: TC - tapered copings without splint; SC - square copings without splint; SCS - square copings splinted with dental floss and acrylic resin...

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Main Authors: Júlio César Brigolini de Faria, Laís Regiane Silva-Concílio, Ana Christina Claro Neves, Milton Edson Miranda, Marcelo Lucchesi Teixeira
Format: Article
Language:English
Published: Sociedade Brasileira de Pesquisa Odontológica 2011-04-01
Series:Brazilian Oral Research
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-83242011000200011
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author Júlio César Brigolini de Faria
Laís Regiane Silva-Concílio
Ana Christina Claro Neves
Milton Edson Miranda
Marcelo Lucchesi Teixeira
author_facet Júlio César Brigolini de Faria
Laís Regiane Silva-Concílio
Ana Christina Claro Neves
Milton Edson Miranda
Marcelo Lucchesi Teixeira
author_sort Júlio César Brigolini de Faria
collection DOAJ
description The aim of this study was to evaluate the accuracy of three implant transfer impression techniques. Four groups (n = 5) were defined, according to the technique: TC - tapered copings without splint; SC - square copings without splint; SCS - square copings splinted with dental floss and acrylic resin, and CG (control group) - master model with four external hexagonal implants and a superstructure. Individual trays and polyether were used for the impression. All casts were checked for their fit into the master superstructure; for this, all four screws were placed in the implants. Digital photos were taken and images were analyzed using UTHSCSA ImageTool software. Statistical analyses were performed using one-way analysis of variance and Student’s t test (p < 0.05). The means and standard deviation were (µm): CG = 2.03 ± 0.00, TC = 14.74 ± 3.41, SC = 12.08 ± 2.56, and SCS = 6.51 ± 0.09. The control group was found to be statistically different from the TC and SC groups. Within the limitations of this study, all groups presented clinically acceptable standard gap values, and the SCS group showed no statistical difference in relation to the CG (control group), demonstrating more accuracy and fidelity to transfer implants.
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spelling doaj.art-9068120b627f4698adf66f10a6e6b2892022-12-22T03:01:16ZengSociedade Brasileira de Pesquisa OdontológicaBrazilian Oral Research1806-83242011-04-0125216316710.1590/S1806-83242011000200011Evaluation of the accuracy of different transfer impression techniques for multiple implantsJúlio César Brigolini de FariaLaís Regiane Silva-ConcílioAna Christina Claro NevesMilton Edson MirandaMarcelo Lucchesi TeixeiraThe aim of this study was to evaluate the accuracy of three implant transfer impression techniques. Four groups (n = 5) were defined, according to the technique: TC - tapered copings without splint; SC - square copings without splint; SCS - square copings splinted with dental floss and acrylic resin, and CG (control group) - master model with four external hexagonal implants and a superstructure. Individual trays and polyether were used for the impression. All casts were checked for their fit into the master superstructure; for this, all four screws were placed in the implants. Digital photos were taken and images were analyzed using UTHSCSA ImageTool software. Statistical analyses were performed using one-way analysis of variance and Student’s t test (p < 0.05). The means and standard deviation were (µm): CG = 2.03 ± 0.00, TC = 14.74 ± 3.41, SC = 12.08 ± 2.56, and SCS = 6.51 ± 0.09. The control group was found to be statistically different from the TC and SC groups. Within the limitations of this study, all groups presented clinically acceptable standard gap values, and the SCS group showed no statistical difference in relation to the CG (control group), demonstrating more accuracy and fidelity to transfer implants.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-83242011000200011Dental implantsDental ProsthesisDental impression technique
spellingShingle Júlio César Brigolini de Faria
Laís Regiane Silva-Concílio
Ana Christina Claro Neves
Milton Edson Miranda
Marcelo Lucchesi Teixeira
Evaluation of the accuracy of different transfer impression techniques for multiple implants
Brazilian Oral Research
Dental implants
Dental Prosthesis
Dental impression technique
title Evaluation of the accuracy of different transfer impression techniques for multiple implants
title_full Evaluation of the accuracy of different transfer impression techniques for multiple implants
title_fullStr Evaluation of the accuracy of different transfer impression techniques for multiple implants
title_full_unstemmed Evaluation of the accuracy of different transfer impression techniques for multiple implants
title_short Evaluation of the accuracy of different transfer impression techniques for multiple implants
title_sort evaluation of the accuracy of different transfer impression techniques for multiple implants
topic Dental implants
Dental Prosthesis
Dental impression technique
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-83242011000200011
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