Fatigue resistance and failure mode of novel-design anterior single-tooth implant restorations

Influence of material selection for type III veneers bonded to zirconia abutments

Pascal Magne, Maria Paula Gandolfi Paranhos, Luiz Henrique Burnett, Michel Magne, Urs Christoph Belser

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Objectives: This study assessed the fatigue resistance and failure mode of type III porcelain and composite resin veneers bonded to custom zirconia implant abutments. Material and methods: Twenty-four standardized zirconia implant abutments were fabricated. Using the CEREC 3 machine, type III veneers of standardized shape were milled in ceramic Vita Mark II or in composite resin Paradigm MZ100. The intaglio surfaces of the restorations were hydrofluoric acid etched and silanated (Mark II) or airborne-particle abraded and silanated (MZ100). The fitting surface of the abutments was airborne-particle abraded, cleaned, and inserted into a bone level implant (BLI RC SLActive 10 mm). All veneers (n=24) were adhesively luted with a zirconia primer (Z-Prime Plus), adhesive resin (Optibond FL) and a pre-heated light-curing composite resin (Filtek Z100). Cyclic isometric chewing (5 Hz) was simulated, starting with a load of 40 N, followed by stages of 80, 120, 160, 200, 240, and 280 N (20,000 cycles each). Samples were loaded until fracture or to a maximum of 140,000 cycles. Groups were compared using the life table survival analysis (Logrank test at P=05). Results: Mark II and MZ100 specimens fractured at an average load of 216 N and 229 N (survival rate of 17% and 8%), respectively, with no difference in survival probability (P=18). Among the fractured samples, 40% of the failures were at the abutment level for Mark II and 27% were at the abutment level for MZ100. No exclusive adhesive failures were observed. Conclusions: Type III Mark II and Paradigm MZ100 veneers showed similar fatigue resistance when bonded to custom non-retentive zirconia implant abutments. The bond was strong enough to induce abutment fractures. MZ100 presented a higher percentage of "friendly" failures, i.e. maintaining the restoration-abutment adhesive interface and the abutment itself intact.

Original languageEnglish (US)
Pages (from-to)195-200
Number of pages6
JournalClinical Oral Implants Research
Volume22
Issue number2
DOIs
StatePublished - Jan 1 2011

Fingerprint

Single-Tooth Dental Implants
Fatigue
Adhesives
Composite Resins
Hydrofluoric Acid
Dental Porcelain
Life Tables
Mastication
Ceramics
Survival Analysis
Light
Bone and Bones
zirconium oxide

Keywords

  • Adhesion
  • Dental implant
  • Fatigue resistance
  • Implant abutment
  • Surface treatment
  • Zirconia ceramic

ASJC Scopus subject areas

  • Oral Surgery

Cite this

Fatigue resistance and failure mode of novel-design anterior single-tooth implant restorations : Influence of material selection for type III veneers bonded to zirconia abutments. / Magne, Pascal; Paranhos, Maria Paula Gandolfi; Burnett, Luiz Henrique; Magne, Michel; Belser, Urs Christoph.

In: Clinical Oral Implants Research, Vol. 22, No. 2, 01.01.2011, p. 195-200.

Research output: Contribution to journalArticle

Magne, Pascal ; Paranhos, Maria Paula Gandolfi ; Burnett, Luiz Henrique ; Magne, Michel ; Belser, Urs Christoph. / Fatigue resistance and failure mode of novel-design anterior single-tooth implant restorations : Influence of material selection for type III veneers bonded to zirconia abutments. In: Clinical Oral Implants Research. 2011 ; Vol. 22, No. 2. pp. 195-200.
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abstract = "Objectives: This study assessed the fatigue resistance and failure mode of type III porcelain and composite resin veneers bonded to custom zirconia implant abutments. Material and methods: Twenty-four standardized zirconia implant abutments were fabricated. Using the CEREC 3 machine, type III veneers of standardized shape were milled in ceramic Vita Mark II or in composite resin Paradigm MZ100. The intaglio surfaces of the restorations were hydrofluoric acid etched and silanated (Mark II) or airborne-particle abraded and silanated (MZ100). The fitting surface of the abutments was airborne-particle abraded, cleaned, and inserted into a bone level implant (BLI RC SLActive 10 mm). All veneers (n=24) were adhesively luted with a zirconia primer (Z-Prime Plus), adhesive resin (Optibond FL) and a pre-heated light-curing composite resin (Filtek Z100). Cyclic isometric chewing (5 Hz) was simulated, starting with a load of 40 N, followed by stages of 80, 120, 160, 200, 240, and 280 N (20,000 cycles each). Samples were loaded until fracture or to a maximum of 140,000 cycles. Groups were compared using the life table survival analysis (Logrank test at P=05). Results: Mark II and MZ100 specimens fractured at an average load of 216 N and 229 N (survival rate of 17{\%} and 8{\%}), respectively, with no difference in survival probability (P=18). Among the fractured samples, 40{\%} of the failures were at the abutment level for Mark II and 27{\%} were at the abutment level for MZ100. No exclusive adhesive failures were observed. Conclusions: Type III Mark II and Paradigm MZ100 veneers showed similar fatigue resistance when bonded to custom non-retentive zirconia implant abutments. The bond was strong enough to induce abutment fractures. MZ100 presented a higher percentage of {"}friendly{"} failures, i.e. maintaining the restoration-abutment adhesive interface and the abutment itself intact.",
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AU - Magne, Michel

AU - Belser, Urs Christoph

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N2 - Objectives: This study assessed the fatigue resistance and failure mode of type III porcelain and composite resin veneers bonded to custom zirconia implant abutments. Material and methods: Twenty-four standardized zirconia implant abutments were fabricated. Using the CEREC 3 machine, type III veneers of standardized shape were milled in ceramic Vita Mark II or in composite resin Paradigm MZ100. The intaglio surfaces of the restorations were hydrofluoric acid etched and silanated (Mark II) or airborne-particle abraded and silanated (MZ100). The fitting surface of the abutments was airborne-particle abraded, cleaned, and inserted into a bone level implant (BLI RC SLActive 10 mm). All veneers (n=24) were adhesively luted with a zirconia primer (Z-Prime Plus), adhesive resin (Optibond FL) and a pre-heated light-curing composite resin (Filtek Z100). Cyclic isometric chewing (5 Hz) was simulated, starting with a load of 40 N, followed by stages of 80, 120, 160, 200, 240, and 280 N (20,000 cycles each). Samples were loaded until fracture or to a maximum of 140,000 cycles. Groups were compared using the life table survival analysis (Logrank test at P=05). Results: Mark II and MZ100 specimens fractured at an average load of 216 N and 229 N (survival rate of 17% and 8%), respectively, with no difference in survival probability (P=18). Among the fractured samples, 40% of the failures were at the abutment level for Mark II and 27% were at the abutment level for MZ100. No exclusive adhesive failures were observed. Conclusions: Type III Mark II and Paradigm MZ100 veneers showed similar fatigue resistance when bonded to custom non-retentive zirconia implant abutments. The bond was strong enough to induce abutment fractures. MZ100 presented a higher percentage of "friendly" failures, i.e. maintaining the restoration-abutment adhesive interface and the abutment itself intact.

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