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11. Case of the Month Fabrication of an Overdenture Bar for Discontinued Implants
Traditional methods of over-denture bar con- struction utilized UCLA abutments to which abutments and bar were waxed then cast. The casting process of converting the wax-up to a metal bar can lead to alterations in the final prod- uct that affect passive fit. Additionally, the solder joints or laser welds are potential weak points in the prosthesis and can be potential failure sites.
19. Immediate Implant Placement in Maxillary Molars Using Septa Dilatation with Threaded Expanders
Background: Immediate implant placement in maxillary molar extraction sites has many chal- lenges including low bone density and proxim- ity to the maxillary sinus. This paper describes a septum expansion technique which allows for predictable immediate placement of dental implants into maxillary molar extraction sites.
31. A Comparison of Three Techniques for the Detection of Early Osteoarthritis of the TMJ using Planmeca Promax Digital Equipment
Background: Digital panoramic equipment often provides additional temporomandibular (TMJ) imaging modalities such as lateral and postero- anterior (PA) tomograms. The aim of this study was to determine the most efficacious imag- ing modality to screen for osteoarthritis (OA).
41. Dental 3D Imaging Centers – Usage and Findings: Part I – Demographics
Background: Since the introduction of cone beam computed tomography (CBCT) scanners in April, 2001, a large number of dental offices are taking and/or providing 3-dimensional imag- ing studies. The purpose of this study was to determine how and for what reason dentists currently utilize a 3D imaging center. Part I of this study consists of data of patients referred to a dental radiological lab for 3D CT scans including age, gender, purpose of the CT study, which arch was requested, if a radio- graphic guide was used, and in which format the study was requested to be processed.