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Denture base reinforcement using woven polyethylene fiber

N H Ladizesky1, T W Chow, Y Y Cheng

  • 1University of Leeds, England.

The International Journal of Prosthodontics
|July 1, 1994
PubMed
Summary
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Reinforcing acrylic denture resin with polyethylene fiber significantly improves stiffness and impact strength. This enhancement maintains properties after water immersion, leading to durable dentures with good aesthetics.

Area of Science:

  • Materials Science
  • Biomaterials Engineering
  • Prosthodontics

Background:

  • Acrylic denture base resins are susceptible to fracture and notch sensitivity.
  • Improving the mechanical properties of denture resins is crucial for longevity and patient satisfaction.

Purpose of the Study:

  • To evaluate the reinforcement of acrylic denture base resin using woven high-performance polyethylene fiber.
  • To assess the impact of this reinforcement on mechanical properties, including stiffness, impact strength, and notch sensitivity.
  • To determine the effect of water immersion on the mechanical properties of the reinforced resin.

Main Methods:

  • Acrylic denture base resin was reinforced with woven high-performance polyethylene fiber.
  • Mechanical properties (stiffness, impact strength, notch sensitivity) were evaluated.

Related Experiment Videos

  • The effect of water immersion on mechanical properties was assessed.
  • Conventional laboratory techniques were employed for denture fabrication.

    • Main Results:

    • Reinforcement with polyethylene fiber substantially improved stiffness and impact strength.
    • The material's sensitivity to notches was reduced.
    • Mechanical properties remained unaffected after water immersion.
    • Complete dentures with good appearance and fiber/resin integration were fabricated.

    Conclusions:

    • Woven high-performance polyethylene fiber effectively reinforces acrylic denture base resin.
    • The reinforced resin offers improved mechanical properties and durability without compromising aesthetics.
    • Fabrication is feasible using standard laboratory methods, paving the way for clinical application.