biostudies-literatureUnknown10(1)Huang Y<h4>Objectives</h4>To investigate the effect of different designs of movable parts and prosthetic materials on the stress distribution of supporting tissues in mandibular free end dentition defects using three-dimensional finite element analysis of digital Roach attachments.<h4>Material and methods</h4>A 3D model of a patient with Kennedy class I mandibular edentulous conditions was generated, and twelve prosthesis models were applied, combining two designs of removable parts and six types of CAD/CAM restorative materials with different elastic modulus (conventional zirconia, ultra-translucent zirconia, Polyetheretherketone (PEEK), Lithium disilicate, Nanoceramic resin, and resin composite (Paradigm MZ100, 3 M ESPE)). The stress distribution of abutment periodontal ligament, edentulousmucoHeliyone23283https://www.ebi.ac.uk/biostudies/studies/S-EPMC10776949biostudies-literatureThe optimal design and three-dimensional finite element analysis of CAD/CAM integrated roach attachment.PMC10776949Huang YLiu LZhu LWang JGao SfalseThe optimal design and three-dimensional finite element analysis of CAD/CAM integrated roach attachment.<h4>Objectives</h4>To investigate the effect of different designs of movable parts and prosthetic materials on the stress distribution of supporting tissues in mandibular free end dentition defects using three-dimensional finite element analysis of digital Roach attachments.<h4>Material and methods</h4>A 3D model of a patient with Kennedy class I mandibular edentulous conditions was generated, and twelve prosthesis models were applied, combining two designs of removable parts and six types of CAD/CAM restorative materials with different elastic modulus (conventional zirconia, ultra-translucent zirconia, Polyetheretherketone (PEEK), Lithium disilicate, Nanoceramic resin, and resin composite (Paradigm MZ100, 3 M ESPE)). The stress distribution of abutment periodontal ligament, edentulousmuco2024-01-01T00:00:00Z2024 Jan2025-04-04T13:58:43.428Z2025-04-04T13:58:43.428ZS-EPMC107769493820529110.1016/j.heliyon.2023.e23283