Complete digital workflow for complete arch implant therapy: Fact or fiction?

This presentation focuses on whether a complete digital workflow, without a definitive cast, from data acquisition to manufacturing of the definitive prostheses for complete-arch implant treatment, is a scientifically and clinically validated workflow. A review of current literature for intraoral scanning and photogrammetry will provide insight into both technologies, reviewing their respective advantages, limitations, and recommendations. Although many publications have described intraoral scanning and photogrammetry for complete-arch digital implant recording, it has been recommended and emphasized that more clinical studies are necessary to validate the complete digital workflow clinically and scientifically for complete-arch implant-supported treatment.

Implant-Supported Vs. Tissue-Supported Prosthesis: Biomechanical Principles for Fixed Full-Arch Restorations.

When treatment planning fully edentulous patients or those with terminal dentition, it is prudent for the implant team to review the support mechanism of the planned final prosthesis with both the patient and the treating team members. Two types of prosthetic designs are available for the fully edentulous arch: an implant-supported prosthesis and a tissue-supported prosthesis. The benefit of an implant-supported prosthesis is that residual bony volume is maintained by internal loading of the bone in centric occlusion.

Effect of layering gingiva-shade composite resin on the strength of denture base polymers.

Statement Of Problem: Acrylic resin denture base materials, fabricated with either a traditional technique or computer-aided design and computer-aided manufacturing (CAD-CAM) technique, layered with different thicknesses of gingiva-shade composite resin may affect the strength of the definitive prostheses and have not been investigated.

Purpose: The purpose of this in vitro study was to assess the flexural strength of acrylic resin denture base materials modified by layering different thicknesses of gingiva-shade composite resin.

Material And Methods: Two denture acrylic resins, heat-polymerized type (Lucitone 199) and CAD-CAM prepolymerized type (AvaDent) polymethyl methacrylate (PMMA) resin, were used as the base materials.

Systematic Treatment Planning Protocol of the Edentulous Maxilla for an Implant-Supported Fixed Prosthesis.

Patients who are candidates for implant restoration of a completely edentulous maxilla may benefit from a fixed prosthesis rather than a removable tissue-supported overdenture prosthesis. Multiple surgical approaches are available to provide this type of care. Graftless strategies, such as those that utilize tilted implants, including zygomatic implants, allow the surgeon to establish adequate support for a fixed prosthesis without bone grafting by establishing sufficient anterior-posterior distribution of implants, thereby reducing or eliminating the use of distal cantilevers.