title: Bone's responses to different designs of implant-supported fixed partial dentures.
abstract: This paper explores the biomechanics and associated bone remodeling responses of two different abutment configurations, namely implant-implant-supported versus tooth-implant-supported fixed partial dentures. Two 3D finite element analysis models are created based upon computerized tomography data. The strain energy density induced by occlusal loading is used as a mechanical stimulus for driving the bone remodeling. To measure osseointegration and stability during healing, a resonance frequency analysis is conducted. At the second premolar peri-implant region, overloading resorption around the neck of implant is identified in both the models over the first 12 months. Stress-shielding around the edentulous region is also observed in both the models with a greater resorption rate found in the implant-implant case. The remodeling and resonance frequency analyses reveal that the tooth-implant scheme offers a higher degree of osseointegration. The remodeling procedure is expected to provide prosthodontists with a modeling tool to assess possible long-term clinical outcomes.
authors.affiliation: Department of Mechanical Engineering, Faculty of Engineering, Chiang Mai University, Chiang Mai, Thailand.
authors.forename: Chaiy
authors.initials: C
authors.lastname: Rungsiyakull
authors.forename: Junning
authors.initials: J
authors.lastname: Chen
authors.forename: Pimduen
authors.initials: P
authors.lastname: Rungsiyakull
authors.forename: Wei
authors.initials: W
authors.lastname: Li
authors.forename: Michael
authors.initials: M
authors.lastname: Swain
authors.forename: Qing
authors.initials: Q
authors.lastname: Li
mesh_terms: D000465:Algorithms; D001696:Biomechanical Phenomena; D015519:Bone Density; D001842:Bone and Bones / Q000033:anatomy & histology / Q000502:physiology*; D015921:Dental Implants; D003830:Denture, Partial, Fixed; D020342:Finite Element Analysis; D006801:Humans; D008334:Mandible / Q000033:anatomy & histology / Q000502:physiology; D008954:Models, Biological; D011474:Prosthesis Design; D013314:Stress, Mechanical
chemical_list: D015921:Dental Implants