Comparison of Fracture Resistance and Fit Accuracy of Customized Zirconia Abutments with Prefabricated Zirconia Abutments in Internal Hexagonal Implants

Jong Il Park, Yoon Lee, Jin Han Lee, Yu Lee Kim, Ji Myung Bae, Hye Won Cho

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Background: Customized zirconia abutments are increasingly applied for the fabrication of esthetic implant restorations aimed at imitating the natural situation. These abutments are individually shaped according to the anatomical needs of the respective implant site. Purpose: This study sought to compare the fracture resistance and fit accuracy of prefabricated and customized zirconia abutments using an internal hexagonal implant system (TSV®, Zimmer, Carlsbad, CA, USA). Materials and Methods: Two zirconia abutment groups were tested: prefabricated zirconia abutments (ZirAce, Acucera, Seoul, Korea) and customized zirconia abutments milled by the Zirkonzahn milling system. Twenty zirconia abutments per group were connected to implants on an acrylic resin base with 30-Ncm torque. The fracture resistance of zirconia abutments was measured with an angle of 30° at a crosshead speed of 1mm/min using the universal testing machine (Z020, Zwick, Ulm, Germany). Marginal and internal gaps between implants and zirconia abutments were measured after sectioning the embedded specimens using a digital microhardness tester (MXT70, Matsuzawa, Tokyo, Japan). Results: The customized abutments were significantly stronger (1,430.2N) than the prefabricated abutments (1,064.1N). The mean marginal adaptation of customized abutments revealed a microgap that was increased (11.5μm) over that in prefabricated abutments (4.3μm). Conclusion: Within the limitations of this study, the customized abutments are significantly stronger than prefabricated abutments, but the fit is less accurate. The strength and fit of both abutments are within clinically acceptable limit.

Original languageEnglish
Pages (from-to)769-778
Number of pages10
JournalClinical Implant Dentistry and Related Research
Volume15
Issue number5
DOIs
Publication statusPublished - 2013 Oct 1

Fingerprint

Acrylic Resins
zirconium oxide
Tokyo
Torque
Korea
Esthetics
Germany
Japan
Seoul

All Science Journal Classification (ASJC) codes

  • Dentistry(all)
  • Oral Surgery
  • Medicine(all)

Cite this

@article{be66298b89014eb88df3044246f67de8,
title = "Comparison of Fracture Resistance and Fit Accuracy of Customized Zirconia Abutments with Prefabricated Zirconia Abutments in Internal Hexagonal Implants",
abstract = "Background: Customized zirconia abutments are increasingly applied for the fabrication of esthetic implant restorations aimed at imitating the natural situation. These abutments are individually shaped according to the anatomical needs of the respective implant site. Purpose: This study sought to compare the fracture resistance and fit accuracy of prefabricated and customized zirconia abutments using an internal hexagonal implant system (TSV{\circledR}, Zimmer, Carlsbad, CA, USA). Materials and Methods: Two zirconia abutment groups were tested: prefabricated zirconia abutments (ZirAce, Acucera, Seoul, Korea) and customized zirconia abutments milled by the Zirkonzahn milling system. Twenty zirconia abutments per group were connected to implants on an acrylic resin base with 30-Ncm torque. The fracture resistance of zirconia abutments was measured with an angle of 30° at a crosshead speed of 1mm/min using the universal testing machine (Z020, Zwick, Ulm, Germany). Marginal and internal gaps between implants and zirconia abutments were measured after sectioning the embedded specimens using a digital microhardness tester (MXT70, Matsuzawa, Tokyo, Japan). Results: The customized abutments were significantly stronger (1,430.2N) than the prefabricated abutments (1,064.1N). The mean marginal adaptation of customized abutments revealed a microgap that was increased (11.5μm) over that in prefabricated abutments (4.3μm). Conclusion: Within the limitations of this study, the customized abutments are significantly stronger than prefabricated abutments, but the fit is less accurate. The strength and fit of both abutments are within clinically acceptable limit.",
author = "Park, {Jong Il} and Yoon Lee and Lee, {Jin Han} and Kim, {Yu Lee} and Bae, {Ji Myung} and Cho, {Hye Won}",
year = "2013",
month = "10",
day = "1",
doi = "10.1111/j.1708-8208.2011.00426.x",
language = "English",
volume = "15",
pages = "769--778",
journal = "Clinical Implant Dentistry and Related Research",
issn = "1523-0899",
publisher = "Wiley-Blackwell",
number = "5",

}

Comparison of Fracture Resistance and Fit Accuracy of Customized Zirconia Abutments with Prefabricated Zirconia Abutments in Internal Hexagonal Implants. / Park, Jong Il; Lee, Yoon; Lee, Jin Han; Kim, Yu Lee; Bae, Ji Myung; Cho, Hye Won.

In: Clinical Implant Dentistry and Related Research, Vol. 15, No. 5, 01.10.2013, p. 769-778.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Comparison of Fracture Resistance and Fit Accuracy of Customized Zirconia Abutments with Prefabricated Zirconia Abutments in Internal Hexagonal Implants

AU - Park, Jong Il

AU - Lee, Yoon

AU - Lee, Jin Han

AU - Kim, Yu Lee

AU - Bae, Ji Myung

AU - Cho, Hye Won

PY - 2013/10/1

Y1 - 2013/10/1

N2 - Background: Customized zirconia abutments are increasingly applied for the fabrication of esthetic implant restorations aimed at imitating the natural situation. These abutments are individually shaped according to the anatomical needs of the respective implant site. Purpose: This study sought to compare the fracture resistance and fit accuracy of prefabricated and customized zirconia abutments using an internal hexagonal implant system (TSV®, Zimmer, Carlsbad, CA, USA). Materials and Methods: Two zirconia abutment groups were tested: prefabricated zirconia abutments (ZirAce, Acucera, Seoul, Korea) and customized zirconia abutments milled by the Zirkonzahn milling system. Twenty zirconia abutments per group were connected to implants on an acrylic resin base with 30-Ncm torque. The fracture resistance of zirconia abutments was measured with an angle of 30° at a crosshead speed of 1mm/min using the universal testing machine (Z020, Zwick, Ulm, Germany). Marginal and internal gaps between implants and zirconia abutments were measured after sectioning the embedded specimens using a digital microhardness tester (MXT70, Matsuzawa, Tokyo, Japan). Results: The customized abutments were significantly stronger (1,430.2N) than the prefabricated abutments (1,064.1N). The mean marginal adaptation of customized abutments revealed a microgap that was increased (11.5μm) over that in prefabricated abutments (4.3μm). Conclusion: Within the limitations of this study, the customized abutments are significantly stronger than prefabricated abutments, but the fit is less accurate. The strength and fit of both abutments are within clinically acceptable limit.

AB - Background: Customized zirconia abutments are increasingly applied for the fabrication of esthetic implant restorations aimed at imitating the natural situation. These abutments are individually shaped according to the anatomical needs of the respective implant site. Purpose: This study sought to compare the fracture resistance and fit accuracy of prefabricated and customized zirconia abutments using an internal hexagonal implant system (TSV®, Zimmer, Carlsbad, CA, USA). Materials and Methods: Two zirconia abutment groups were tested: prefabricated zirconia abutments (ZirAce, Acucera, Seoul, Korea) and customized zirconia abutments milled by the Zirkonzahn milling system. Twenty zirconia abutments per group were connected to implants on an acrylic resin base with 30-Ncm torque. The fracture resistance of zirconia abutments was measured with an angle of 30° at a crosshead speed of 1mm/min using the universal testing machine (Z020, Zwick, Ulm, Germany). Marginal and internal gaps between implants and zirconia abutments were measured after sectioning the embedded specimens using a digital microhardness tester (MXT70, Matsuzawa, Tokyo, Japan). Results: The customized abutments were significantly stronger (1,430.2N) than the prefabricated abutments (1,064.1N). The mean marginal adaptation of customized abutments revealed a microgap that was increased (11.5μm) over that in prefabricated abutments (4.3μm). Conclusion: Within the limitations of this study, the customized abutments are significantly stronger than prefabricated abutments, but the fit is less accurate. The strength and fit of both abutments are within clinically acceptable limit.

UR - http://www.scopus.com/inward/record.url?scp=84885856837&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84885856837&partnerID=8YFLogxK

U2 - 10.1111/j.1708-8208.2011.00426.x

DO - 10.1111/j.1708-8208.2011.00426.x

M3 - Article

C2 - 22236163

AN - SCOPUS:84885856837

VL - 15

SP - 769

EP - 778

JO - Clinical Implant Dentistry and Related Research

JF - Clinical Implant Dentistry and Related Research

SN - 1523-0899

IS - 5

ER -