Wednesday, November 22nd 2017 4:09AM EST

Fabrication and Insertion of a Four-Implant Mandibular Full Arch TRINIA™ Telescopic Prosthesis with Two Lithium Disilicate Crowns to Resist Abrasion of Composite Denture Teeth Against Opposing Maxillary Porcelain Restorations

Posted on by Bicon

This case demonstrates the fabrication of a four-implant mandibular full arch TRINIA™ telescopic prosthesis, beginning with the making of an implant-level transfer impression and bite registration, followed by the laboratory fabrication of a soft tissue model with four Universal abutments prosthetic posts with two to three degrees of parallelism; a light-cured resin verification jig with milled retentive copings to confirm both a path of insertion and retentiveness of the intended TRINIA™ prosthesis; a light-cured resin seating jig to facilitate the orientation and initial seating of the four Universal abutments intra-orally; and two lithium disilicate molar crowns to preserve the patient’s vertical dimension of the occlusion, by resisting the abrasion of the composite denture teeth against the patient’s maxillary porcelain restorations. Finally, three red retentive copings and one metallic non-retentive coping, which were seated on the Universal abutments, were intra-orally cemented into the bores of the mandibular full arch TRINIA™ prosthesis to provide the patient with a functionally stable and aesthetic restoration.

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