Modified PEEK Resin Bonded Fixed Dental Prosthesis for a Young Cleft Lip and Palate Patient

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This clinical report presents the use of a modified poly ether–ether ketone material as an alternative material for the fabrication of resin-bonded fixed dental prosthesis (RBFDP) framework. This new material can be used for patients allergic to metals, maintaining the same high esthetic demand of ceramics, presenting light weightness and a flexibility similar to bone as a distinct advantage over ceramic materials.


The use of a BioHPP RBFDP framework could be considered as an alternative restoration for the replacement of missing lateral incisors in young patients with cleft palate defects.


This modified PEEK material known as BioHPP, is a biocompatible, non allergic, rigid material with good mechanical properties, wear resistance, chemical stability, high polishing and low absorption properties. BioHPP frameworks can be manufactured either via CAD/CAM or via the conventional lost wax technique. The low modulus of elasticity, combined with the use of indirect composite resin as a veneering material, provide a distinct advantage over ceramics or metal ceramics on dampening the occlusal forces, reducing the risk of debonding. (J Esthet Restor Dent 28:201–207, 2016)

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