title: Measuring the load-bearing ratio between mucosa and abutments beneath implant- and tooth-supported overdentures: an in vivo preliminary study.
abstract: The aim of this study was to establish a method for in vivo examination of the load-bearing ratio between mucosa and abutments beneath an overdenture. Two patients wearing a four tooth-supported or a four implant-supported overdenture were enrolled in this study. Recordings were performed with the metal framework only or with a metal framework and a denture base. The force value with the framework only was designated as 100%, and the tissue-supporting ratio (TSR) with the denture base was calculated. The TSR was approximately 30% to 40% in both subjects, regardless of the load. These data suggest that measurement of a TSR beneath an overdenture is feasible.
authors.affiliation: Osaka University School of Dentistry, Department of Prosthodontics and Oral Rehabilitation, Osaka, Japan.
authors.forename: Takanori
authors.initials: T
authors.lastname: Ando
authors.forename: Yoshinobu
authors.initials: Y
authors.lastname: Maeda
authors.forename: Masahiro
authors.initials: M
authors.lastname: Wada
authors.forename: Tomoya
authors.initials: T
authors.lastname: Gonda
mesh_terms: D000368:Aged; D001696:Biomechanical Phenomena; D003481:Cuspid / Q000502:physiology; D000044:Dental Abutments; D003724:Dental Arch / Q000502:physiology; D015921:Dental Implants; D019094:Dental Prosthesis, Implant-Supported; D003819:Denture Bases; D003828:Denture, Overlay; D005240:Feasibility Studies; D005260:Female; D006801:Humans; D008297:Male; D008963:Molar / Q000502:physiology; D010519:Periodontium / Q000502:physiology*; D013314:Stress, Mechanical; D014070:Tooth / Q000502:physiology*; D014159:Transducers; D016474:Weight-Bearing
chemical_list: D015921:Dental Implants