Measuring Biting Force of Poly-amide Complete Dentures

Status Not yet recruiting

Clinical Trial Summary

Randomized clinical trial to compare between biting force of mandibular complete denture constructed from two different materials; metal reinforced polyamide and conventional PMMA,The null hypothesis of the study that there will not be a difference between biting force of the complete denture constructed from metal reinforced polyamide and PMMA

Clinical Trial Description

Polyamide resins used in dentistry exhibit high flexibility, physical strength, heat and chemical resistance and the exceedingly rare allergy response. Although flexural strength, modulus of elasticity and rigidity of nylon (polyamide) denture base materials are relatively low, they demonstrate great impact strength, toughness, and resistance to fracture. It was suggested that by adding glass fibers to polyamides, their stiffness and other mechanical properties could be increased. The flexural properties of nylon denture base materials has promoted their usage only in conditions like unyielding undercuts, pronounced tuberosities, tori and bulging alveolar ridges. In 2013 Wadachi etal compared rigidity of polyamide and PMMA when used as a denture base material and concluded that; the modulus of elasticity of polyamide was very low in comparison to PMMA and was lower than ISO standard, and so they recommended that polyamide to be used as a denture base material it should be reinforced with metal frame ;

Study Design

Related Conditions & MeSH terms

Complete Edentulism

Clinical Trial Details

NCT number	NCT03253510
Study type	Interventional
Source	Cairo University
Contact	Hadeer Abdel hadi Abd elhameed, master
Phone	01158834401
Email	hadeerhadi1990@gmail.com
Status	Not yet recruiting
Phase	N/A
Start date	September 2017
Completion date	May 1, 2018

View Details

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