Influence of Aging on the Fracture Characteristics of Polyetheretherketone Dental Crowns: A Preliminary Study

Wen Ju Lu; Viritpon Srimaneepong; Chiang Sang Chen; Chang Hung Huang; Hui Ching Lin; Chia Fei Liu; Her Hsiung Huang

doi:10.3390/polym14194123

Influence of Aging on the Fracture Characteristics of Polyetheretherketone Dental Crowns: A Preliminary Study

Wen Ju Lu, Viritpon Srimaneepong, Chiang Sang Chen, Chang Hung Huang, Hui Ching Lin, Chia Fei Liu, Her Hsiung Huang^*

^*Corresponding author for this work

Department of Dentistry

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

Although polyetheretherketone (PEEK) is becoming more widely used in dentistry applications, little is known about how aging will affect this material. Therefore, this study aimed to investigate the influence of an aging treatment on fracture characteristics of PEEK dental crowns. Additionally, the impact of the addition of titanium dioxide (TiO₂) into PEEK was examined. Two types of commercial PEEK discs were used in this study, including TiO₂-free and 20% TiO₂-containing PEEK. The PEEK dental crowns were fabricated and aging-treated at 134 °C and 0.2 MPa for 5 h in accordance with the ISO 13356 specification before being cemented on artificial tooth abutments. The fracture loads of all crown samples were measured under compression tests. Results demonstrated that adding TiO₂ enhanced the fracture load of PEEK crowns compared to TiO₂-free PEEK crowns before the aging treatment. However, the aging treatment decreased the fracture load of TiO₂-containing PEEK crowns while increasing the fracture load of TiO₂-free PEEK crowns. The fracture morphology of TiO₂-containing PEEK crowns revealed finer feather shapes than that of the TiO₂-free PEEK crowns. We concluded that adding TiO₂ increased the fracture load of PEEK crowns without aging treatment. Still, the aging treatment influenced the fracture load and microscopic fracture morphology of PEEK crowns, depending on the addition of TiO₂.

Original language	English
Article number	4123
Journal	Polymers
Volume	14
Issue number	19
DOIs	https://doi.org/10.3390/polym14194123
State	Published - Oct 2022

Keywords

TiO
aging
dental crown
fracture
polyetheretherketone

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title = "Influence of Aging on the Fracture Characteristics of Polyetheretherketone Dental Crowns: A Preliminary Study",

abstract = "Although polyetheretherketone (PEEK) is becoming more widely used in dentistry applications, little is known about how aging will affect this material. Therefore, this study aimed to investigate the influence of an aging treatment on fracture characteristics of PEEK dental crowns. Additionally, the impact of the addition of titanium dioxide (TiO2) into PEEK was examined. Two types of commercial PEEK discs were used in this study, including TiO2-free and 20% TiO2-containing PEEK. The PEEK dental crowns were fabricated and aging-treated at 134 °C and 0.2 MPa for 5 h in accordance with the ISO 13356 specification before being cemented on artificial tooth abutments. The fracture loads of all crown samples were measured under compression tests. Results demonstrated that adding TiO2 enhanced the fracture load of PEEK crowns compared to TiO2-free PEEK crowns before the aging treatment. However, the aging treatment decreased the fracture load of TiO2-containing PEEK crowns while increasing the fracture load of TiO2-free PEEK crowns. The fracture morphology of TiO2-containing PEEK crowns revealed finer feather shapes than that of the TiO2-free PEEK crowns. We concluded that adding TiO2 increased the fracture load of PEEK crowns without aging treatment. Still, the aging treatment influenced the fracture load and microscopic fracture morphology of PEEK crowns, depending on the addition of TiO2.",

keywords = "TiO, aging, dental crown, fracture, polyetheretherketone",

author = "Lu, {Wen Ju} and Viritpon Srimaneepong and Chen, {Chiang Sang} and Huang, {Chang Hung} and Lin, {Hui Ching} and Liu, {Chia Fei} and Huang, {Her Hsiung}",

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AU - Chen, Chiang Sang

AU - Huang, Chang Hung

AU - Lin, Hui Ching

AU - Liu, Chia Fei

AU - Huang, Her Hsiung

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AB - Although polyetheretherketone (PEEK) is becoming more widely used in dentistry applications, little is known about how aging will affect this material. Therefore, this study aimed to investigate the influence of an aging treatment on fracture characteristics of PEEK dental crowns. Additionally, the impact of the addition of titanium dioxide (TiO2) into PEEK was examined. Two types of commercial PEEK discs were used in this study, including TiO2-free and 20% TiO2-containing PEEK. The PEEK dental crowns were fabricated and aging-treated at 134 °C and 0.2 MPa for 5 h in accordance with the ISO 13356 specification before being cemented on artificial tooth abutments. The fracture loads of all crown samples were measured under compression tests. Results demonstrated that adding TiO2 enhanced the fracture load of PEEK crowns compared to TiO2-free PEEK crowns before the aging treatment. However, the aging treatment decreased the fracture load of TiO2-containing PEEK crowns while increasing the fracture load of TiO2-free PEEK crowns. The fracture morphology of TiO2-containing PEEK crowns revealed finer feather shapes than that of the TiO2-free PEEK crowns. We concluded that adding TiO2 increased the fracture load of PEEK crowns without aging treatment. Still, the aging treatment influenced the fracture load and microscopic fracture morphology of PEEK crowns, depending on the addition of TiO2.

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Influence of Aging on the Fracture Characteristics of Polyetheretherketone Dental Crowns: A Preliminary Study

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