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Characterization of mouthguards: Impact performance.

Sandra Guérard1, Jean-Luc Barou1, Julien Petit2

  • 1I2M-DuMAS UMR 5295 CNRS, Arts et Métiers ParisTech, Talence, France.

Dental Traumatology : Official Publication of International Association for Dental Traumatology
|February 13, 2017
PubMed
Summary
This summary is machine-generated.

Mouthguard impact performance depends on more than just thickness. This study tested six mouthguards, finding that custom-made and prototype models offered better protection, but fit is crucial for optimal performance.

Keywords:
impact behaviorpolymer structurepolyvinylacetate polyethylene copolymersstandardization

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Area of Science:

  • Sports Medicine
  • Biomechanical Engineering
  • Materials Science

Background:

  • Characterizing mouthguard impact behavior based solely on components is challenging.
  • Standardized testing simulating intra-oral performance is necessary for accurate mouthguard evaluation.
  • This study aimed to compare the impact behavior of six different mouthguard models.

Purpose of the Study:

  • To compare the impact behavior of six mouthguard models.
  • To evaluate mouthguards using a standardized experimental protocol.
  • To assess the relationship between mouthguard thickness, fit, and impact performance.

Main Methods:

  • Six mouthguards were tested: four commercial mouth-formed, one prototype, and one custom-made.
  • Mouthguards were adapted using manufacturer-recommended procedures on steel jaws.
  • Impact performance was assessed via labial aspect thickness and maximum contact load (FMax) using a drop tower.

Main Results:

  • Custom-made, prototype, and Kipsta R300™ showed the best impact performance.
  • SDI™ and Opro Shield Gold™ exhibited the thinnest labial aspect thickness (approx. 3mm).
  • Kipsta R300™ had lower thickness than custom-made and prototype but poorer adaptation, indicating fit is critical.

Conclusions:

  • Mouthguard thickness alone is insufficient to determine performance.
  • Impact performance metrics must consider the mouthguard's fit and adaptation.
  • Further research is needed to establish comprehensive mouthguard evaluation criteria.