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Influence of core thickness and artificial aging on the biaxial flexural strength of different all-ceramic materials: An in-vitro study

DIKICIER, Sibel ; AYYILDIZ, Simel ; OZEN, Julide ; SIPAHI, Cumhur

Dental Materials Journal, 2017/05/30, Vol.36(3), pp.296-302

Japan: The Japanese Society for Dental Materials and Devices

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  • Título:
    Influence of core thickness and artificial aging on the biaxial flexural strength of different all-ceramic materials: An in-vitro study
  • Autor: DIKICIER, Sibel ; AYYILDIZ, Simel ; OZEN, Julide ; SIPAHI, Cumhur
  • Assuntos: Aging ; Aging (artificial) ; All-ceramic ; Aluminum oxide ; Ceramics ; Ceramics industry ; Core thickness ; Dental Porcelain ; Dental Stress Analysis ; Dentistry ; Flexural strength ; Humans ; Materials Testing ; Pliability ; Stress, Mechanical ; Surface Properties
  • É parte de: Dental Materials Journal, 2017/05/30, Vol.36(3), pp.296-302
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: The purpose of this study was to investigate the flexural strength of all-ceramics with varying core thicknesses submitted to aging. In-Ceram Alumina (IC), IPS e.max Press (EM) and Katana (K) (n=40), were selected. Each group contained two core groups based on the core thickness as follows: IC/0.5, IC/0.8, EM/0.5, EM/0.8, K/0.5 and K/0.8 mm in thickness (n=20 each). Ten specimens from each group were subjected to aging and all specimens were tested for strength in a testing machine either with or without being subjected aging. The mean strength of the K were higher (873.05 MPa) than that of the IC (548.28 MPa) and EM (374.32 MPa) regardless of core thickness. Strength values increased with increasing core thickness for all IC, EM and K regardless of aging. Results of this study concluded that strength was not significantly affected by aging. Different core thicknesses affected strength of the all-ceramic materials tested (p<0.05).
  • Editor: Japan: The Japanese Society for Dental Materials and Devices
  • Idioma: Inglês;Japonês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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