This case involves the successful treatment of a patient who experienced repeated restorative failures due to an undiagnosed occlusal problem. Multiple unsuccessful attempts had been made in the past to restore the patient's mandibular incisors with direct composites, and she had become increasingly frustrated with having missing and broken anterior teeth. After a thorough records review and clinical examination were performed, an occlusal issue was diagnosed. A Kois deprogrammer was used to confirm the occlusal problem and locate a therapeutic treatment position for transitional bonding prior to placement of the final restorations. This article underscores the significance of comprehensive diagnosis and treatment planning to effectively address functional and cosmetic concerns.
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J Prosthet Dent
March 2025
Researcher, Department of Biomechanics, BTI Biotechnology Institute I + D, Miñano, Spain.
Statement Of Problem: The seal at the implant-abutment connection (IAC) is crucial for ensuring implant-prosthetic function and reducing the risk of peri-implant diseases. An accurate determination of the first IAC gap under realistic dynamic-loading conditions is needed to investigate current and future IAC designs.
Purpose: The purpose of this in vitro study was to use a novel method of determining the load and probability of occurrence of the elastic first IAC gap that overcomes most of the limitations of the representative IACs currently available.
J Prosthet Dent
February 2025
Affiliate Assistant Professor, Graduate Prosthodontics, Department of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, Wash.; Faculty and Director, Research and Digital Dentistry, Kois Center, Seattle, Wash; and Adjunct Professor, Department of Prosthodontics, School of Dental Medicine, Tufts University, Boston, Mass.
Statement Of Problem: Digitized analog records have been used for the superimposition of intraoral and facial scans. However, the discrepancy in the registration between the digitized occlusal records contained on extraoral scan bodies and the maxillary virtual cast remains uncertain.
Purpose: The purpose of this in vitro study was to evaluate the effect of the registration method, edentulous area, and tooth anatomy on the accuracy of the alignment between the digitized extraoral scan body (ESB) and the maxillary virtual cast.
Comput Biol Med
April 2025
Department of Dental Materials and Prosthesis, School of Dentistry of Ribeirão Preto, University of São Paulo (USP), São Paulo, SP, Brazil. Electronic address:
Statement Of Problem: Narrow diameter implants have been considered effective for implant placement in anterior region of maxilla and mandible. However, in regions with heavy masticatory loads, narrow implants may be excessively stressed.
Purpose: The purpose of this finite element analysis study was to evaluate the stress generated by narrow implants placed level with and below the bone margin in the posterior mandible and the biomechanical effects of different solid abutment diameters.
Compend Contin Educ Dent
January 2025
Private Practice Victoria, British Columbia, Canada.
This case involves the successful treatment of a patient who experienced repeated restorative failures due to an undiagnosed occlusal problem. Multiple unsuccessful attempts had been made in the past to restore the patient's mandibular incisors with direct composites, and she had become increasingly frustrated with having missing and broken anterior teeth. After a thorough records review and clinical examination were performed, an occlusal issue was diagnosed.
View Article and Find Full Text PDFJ Prosthet Dent
February 2025
Senior Lecturer in Prosthodontics, Adelaide Dental School, The University of Adelaide, Adelaide, South Australia, Australia.
Statement Of Problem: Removable partial denture (RPD) frameworks have traditionally been produced by conventional impression making and casting. Due to the popularity of intraoral scanning (IOS) and digital manufacturing, RPD frameworks can be produced by alternative workflows.
Purpose: The purpose of this in vitro study was to assess the seating-related adaptation and deformation of components of RPD frameworks fabricated by different workflows.
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