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  • posterior
  • Three-dimensional finite element (FE) models of a cruciate retaining type modular prosthesis and three posterior stabilized (PS) type modular prostheses namely: anterior slide, modular post and double cam, were developed. (igi-global.com)
  • The cast metallic portion of a definitive palatal lift prosthesis typically harbors a posterior cast metal lattice that retains a polymethylmethacrylate oropharyngeal section of the prosthesis responsible for elevating the soft palate. (wikipedia.org)
  • While palatal lift prostheses can be retained by patients exhibiting maxillary partial edentulism, partially edentulous patients without posterior maxillary teeth suitable for the receipt of prosthetic clasps also known as direct retainers enjoy less retentive predictability than patients with maxillary posterior teeth. (wikipedia.org)
  • dental
  • Dental System™ meets these trends with professional CAD tools such as the unique Smile Composer™, automated crown design, and an extensive range of anatomy librari Download product sheet Achieve high esthetics with Smile Composer™ in no time Create highly esthetic full anatomy bridges by designing full smiles in one go. (healthmanagement.org)
  • Currently, there are many options for single-tooth replacement: metal-ceramic, all-ceramic, direct or indirect fibre-reinforced composite fixed dental prostheses (FDPs) or implants. (jcda.ca)
  • When patients reject implant therapy, with or without previous reconstructive surgery, 1 and in cases where abutment teeth have previously been restored, minimally invasive procedures based on an adhesive approach may offer an alternative to conventional retained full-coverage fixed dental prostheses (FDPs), which require more tooth preparation. (jcda.ca)
  • Baseline status of a representative case in which an inlay-retained fixed dental prosthesis (FDP) was indicated for restoring a missing tooth. (jcda.ca)
  • A virtual model of an intraoral cavity is provided, wherein this process is initialized by a dental clinic, and the design and manufacture of a suitable dental prosthesis for the intraoral cavity is shared between a dental lab and a service center. (google.com.au)
  • transmitting prosthesis data for manufacture of the prosthesis such that the coupling portion of the prosthesis and coupling portion of the preparation have a predetermined criteria comprising a fitting tolerance of about 40 microns or less, wherein manufacturing the prosthesis according to the predetermined criteria is shared among a service center and a dental lab. (google.com.au)
  • 11. The method of claim 1 , wherein the prosthesis or a portion thereof is physically manufactured at a dental lab or dental clinic. (google.com.au)
  • transmit prosthesis data for shared manufacture of the prosthesis between a service center and dental lab such that the coupling portion of the prosthesis and coupling portion of the preparation have predetermined criteria comprising a fitting tolerance of about 40 microns or less. (google.com.au)
  • transmitting data for manufacture of a second portion of the dental prosthesis, the second portion being configured to couple with the first portion, the transmitted data including at least one of: 1) three dimensional shape data of the outer surface of the first portion, and 2) three dimensional shape data of an inner surface of the second portion that is configured for coupling the second portion and the first portion. (google.com.au)
  • This invention relates to methods and systems for designing and producing dental prostheses and appliances, and to dental prostheses and appliances produced thereby. (google.com.au)
  • In particular, the present invention is concerned with such systems in which a plurality of different work centers linked to a dental clinic utilize a common D database each for planning, designing and manufacturing at least parts of such prostheses and appliances. (google.com.au)
  • The model is used to assist in designing a dental treatment for the patient. (google.com.au)
  • After the treatment has been designed, the model is used to design the dental prosthesis or appliance to be applied to the teeth in order to execute the treatment. (google.com.au)
  • An interim palatal lift prosthesis carries a current dental terminology code number of D5958. (wikipedia.org)
  • A definitive palatal lift prosthesis generally consists of a thin cast metallic alloy lamina that covers the hard palatal mucosa and the lingual aspects of the maxillary teeth and incorporates retentive clasps that strategically engage undercut dental surfaces to enhance the retentive capacity of the prosthesis. (wikipedia.org)
  • It is made by placing an appropriate material in a stock or custom dental impression tray which is designed to roughly fit over the dental arches. (wikipedia.org)
  • Intra-oral prostheses include dental prostheses such as dentures, obturators, and dental implants. (wikipedia.org)
  • implants
  • We present a new approach to designing three-dimensional, physically realizable porous femoral implants with spatially varying microstructures and effective material properties. (edu.au)
  • Scandinavian Customized Prosthesis (SCP) is a medical technology company developing and supplying orthopaedic implants. (wikipedia.org)
  • SCP's main product is the Unique stem for hip replacement, but they also design and sell other products such as individually designed tumour prostheses, condyles for attachment of external prostheses, and implants for shortening or rotation osteotomies. (wikipedia.org)
  • Alternatively, patients missing enough teeth to compromise the predictable retention of a palatal lift prosthesis may become candidates for the fabrication of a palatal lift prosthesis with the placement of endosseous titanium implants and abutments designed to serve as retentive elements in partially edentulous and edentulous patients. (wikipedia.org)
  • During this time she was involved in development of a Auditory Midbrain Implant (AMI) which is a new hearing prosthesis designed for stimulation of the inferior colliculus in deaf patients who cannot sufficiently benefit from cochlear implants. (wikipedia.org)
  • Prostheses are held in place either by biocompatible drying adhesives, osseointegrated implants, magnets, or another mechanical means (although rare) such as glasses or straps. (wikipedia.org)
  • Flexion
  • Von Mises stress in all the parts were below the yield strength of their corresponding material except for tibial insert of anterior slide design at high flexion angle. (igi-global.com)
  • implant designs
  • This combination of objective and constraint aims to reduce implant failure and allows a detailed study of the implant designs obtained with a range of microstructure sets and parameters. (edu.au)
  • Further, the choice of microstructure set has an impact on the objective values achieved and on the optimized implant designs. (edu.au)
  • However, clinical evidence of the superiority of the former has only been demonstrated for particular isolated implant designs. (wikipedia.org)
  • stability
  • Stability was improved, but acetabular wear and subsequent failure rates were increased with these designs. (wikipedia.org)
  • Similarly, partially edentulous patients missing anterior maxillary teeth lack the stability and retention afforded by anterior portions of the palatal lift prosthesis called indirect retainers that appose the lingual aspects of anterior maxillary teeth. (wikipedia.org)
  • geometry
  • Due to the rather complex interactions between joint geometry as defined by e.g. the combination of femoral offset and anteversion, and the resulting musculoskeletal loading conditions, it is not readily apparent whether a prosthesis design with an increased offset would be linked to only decreased muscle and joint contact forces and potentially improved joint function or whether increased stem stresses and eventual implant failure become possible consequences. (biomedcentral.com)
  • artificial
  • This ranges from brassieres (bras) that lightly push the breasts together without any padding through a range of increasingly padded bras to techniques where chest skin is pulled towards the centre to generate cleavage and completely artificial breasts, such as breast prostheses are added to cover the materials used to pull the skin. (wikipedia.org)
  • A transradial prosthesis is an artificial limb that replaces an arm missing below the elbow. (wikipedia.org)
  • A transtibial prosthesis is an artificial limb that replaces a leg missing below the knee. (wikipedia.org)
  • physically
  • Cramer, Andrew D. , Challis, Vivien J. and Roberts, Anthony P. (2017) Physically realizable three-dimensional bone prosthesis design with interpolated microstructures. (edu.au)
  • 10. The method of claim 1 , wherein at least part of the prosthesis is physically manufactured at a service center. (google.com.au)
  • A palatal lift prosthesis addresses palatopharyngeal incompetence by physically displacing the dysfunctional soft palate in the hope of closing the palatopharyngeal port enough to mitigate hypernasal speech and/or prevent nasopharyngeal regurgitation of liquids or solids during the pharyngeal phase of swallowing. (wikipedia.org)
  • bone
  • We optimize over a simplified design domain to reduce shear stress at the bone-prosthetic interface with a constraint on the bone resorption measured using strain energy. (edu.au)
  • Two ways of doing this are to include more dynamic load cases when designing the hip implant stem and focusing on reducing stress-shielding in the bone surrounding the implant. (additivemanufacturingtoday.com)
  • After the early unsatisfactory results of the two-component designs, most of the more recent designs feature three components, with a polyethylene meniscal bearing interposed between the two metal bone-anchored components. (wikipedia.org)
  • Charnley's design consisted of three parts: stainless steel one-piece femoral stem and head polyethylene (originally Teflon), acetabular component, both of which were fixed to the bone using PMMA (acrylic) bone cement The replacement joint, which was known as the Low Friction Arthroplasty, was lubricated with synovial fluid. (wikipedia.org)
  • straps
  • One disadvantage of these designs is that, with a bra over the top, there are two pairs of bra straps and two underbust bands that can potentially look like the person is wearing two bras. (wikipedia.org)
  • The design of these garments limits clothing styles to those that will adequately cover the straps, preventing, for example, the use of halterneck garments. (wikipedia.org)
  • arthroplasty
  • Since the early 1970s, the disadvantages of ankle arthrodesis and the excellent results attained by arthroplasty at other human joints have encouraged numerous prosthesis designs also for the ankle. (wikipedia.org)
  • More modern designs have produced better results, contributing to a renewed interest in total ankle arthroplasty over the past decade. (wikipedia.org)
  • For over two decades, the Charnley Low Friction Arthroplasty, and derivative designs were the most used systems in the world. (wikipedia.org)
  • neck
  • Planning of the neck design on the Unique stem is computerized with digital templates, and the surgeon can access all data regarding his patients on the Internet. (wikipedia.org)
  • surfaces
  • these designs have been categorized as incongruent and congruent, according to the shape of the two articular surfaces. (wikipedia.org)
  • An interim palatal lift prosthesis generally consists of two or more stainless steel wire retentive clasps embedded in polymethylmethacrylate that adapts to the hard palatal and soft palatal mucosal surfaces and the lingual aspects of the maxillary teeth. (wikipedia.org)
  • mechanical
  • The current study, compares the mechanical performance of four modular TKA prostheses based on von Mises stress distribution in the tibial insert. (igi-global.com)
  • Von Mises stress above the yield strength in the tibial insert of anterior slide design, was due to edge loading in the post and it demonstrates the likelihood of mechanical failure by delamination type of wear. (igi-global.com)
  • teeth
  • Although no algorithm regarding a requisite number of teeth exists for the retention of a palatal lift prosthesis, the possession of a full complement of healthy maxillary teeth offers more assurance of adequate retention than any other factor. (wikipedia.org)
  • fabrication
  • SOCIAL DESIGN One of these projects includes research on production and fabrication processes in relation to such fields as robotics, open source, and scientists (e.g. microbiologists). (opendesignnow.org)
  • stem
  • However, there have been a number of cases where failures have been reported due to dislocations [ 7 , 10 ], and it has been speculated whether the dislocation rate for this specific stem could be linked to the rather small femoral offset of the original prosthesis design. (biomedcentral.com)
  • The stem was modified slightly to fit more tightly into the femoral canal, resulting in the Anatomic Medullary Locking (AML) stem design. (wikipedia.org)
  • data
  • Additionally, much of the data indicating some prostheses should last more than 20 years is based on patients leading a more sedentary lifestyle. (additivemanufacturingtoday.com)
  • 5. The method of claim 1 , wherein the three dimensional data or prosthesis data is transmitted over an electronic communication network. (google.com.au)
  • 7. The method of claim 1 , wherein the generating the prosthesis data is fully automated or comprises interaction with a user. (google.com.au)
  • patients
  • The situation is particularly problematic since there are many patients who urgently need prostheses, and most of them come from poor families. (opendesignnow.org)
  • In the following decade, the disappointing results of long-term follow-up clinical studies of the pioneering designs has left ankle arthrodesis as the surgical treatment of choice for these patients. (wikipedia.org)
  • High
  • Mobile bearing designs have enabled implant survival rates to continue to improve, reaching as high as 95% for five years and 90% for ten years. (wikipedia.org)
  • often
  • Interim Palatal Lift Prostheses Retentive Clasp Assembly Retentive clasp assemblies responsible for securing interim palatal lift prostheses often benefit from the development of exaggerated retentive undercuts. (wikipedia.org)
  • functional
  • A person's prosthesis should be designed and assembled according to the patient's appearance and functional needs. (wikipedia.org)
  • For instance, a patient may need a transradial prosthesis, but need to choose between an aesthetic functional device, a myoelectric device, a body-powered device, or an activity specific device. (wikipedia.org)
  • Although
  • Although not truly an active prosthesis, an Implantable Miniature Telescope is one type of visual implant that has met with some success in the treatment of end-stage age-related macular degeneration. (wikipedia.org)
  • approach
  • A proof-of-concept metal prototype fabricated via selective laser melting (SLM) demonstrates the manufacturability of designs obtained with our approach. (edu.au)
  • angle
  • An adjustable prosthesis would enable users to manage aspects like the roll-off curve, the angle of the foot or the height of the prosthesis themselves. (opendesignnow.org)
  • This means that over the stance phase, depending on the speed the subject is moving, there is a derivable torque angle relationship that can be used to control a lower limb prosthesis. (wikipedia.org)
  • type
  • Each patient that uses a robotic prosthesis that is tuned for this type of control has to have there system trained for them specifically. (wikipedia.org)
  • long term
  • Both designs have shown excellent long-term durability when properly placed and are still widely used in slightly modified versions. (wikipedia.org)
  • preparation
  • Details: Reliable preparation limit identification and automatic bridge design with connector styling ensure your efficiency in your working technique. (healthmanagement.org)
  • control
  • Andrew has a short transfemoral amputation and the Infinite Socket contained all the tissue well and he was able to have good control over his prosthesis. (wordpress.com)
  • Robotic prosthesis control is a method for controlling a prosthesis in such a way that the controlled robotic prosthesis restores a biologically accurate gait to a person with a loss of limb. (wikipedia.org)
  • resemble
  • Maxwell is credited with a significant advancement in the design of tissue expanders used for breast reconstruction by co-developing textured surfaces (to decrease capsular contracture) and helping to introduce prostheses which more closely resemble the shape and feel of the natural breast. (wikipedia.org)
  • equipment
  • Clarence Walton "Walt" Lillehei (October 23, 1918 - July 5, 1999), was an American surgeon who pioneered open-heart surgery, as well as numerous techniques, equipment and prostheses for cardiothoracic surgery. (wikipedia.org)
  • In essence, since they can use tools and operate equipment and vehicles designed for the human form, humanoids could theoretically perform any task a human being can, so long as they have the proper software. (wikipedia.org)
  • feet
  • Using specialized prostheses that he designed, he created prosthetic feet with high toe stiffness that made it possible to stand on small rock edges the width of a coin, and titanium-spiked feet that assisted him in ascending steep ice walls. (wikipedia.org)
  • several
  • After the introduction of the first widely used prosthetic heart valves by Albert Starr in 1961, Lillehei also developed and implanted several innovative designs: the Lillehei-Nakib toroidal disc (1966), the Lillehei-Kaster pivoting disc (1967), and the Kalke-Lillehei rigid bileaflet prosthesis (1968). (wikipedia.org)
  • human
  • The design may be for functional purposes, such as interacting with human tools and environments, for experimental purposes, such as the study of al locomotion, or for other purposes. (wikipedia.org)
  • Some humanoid robots also have heads designed to replicate human facial features such as eyes and mouths. (wikipedia.org)
  • System
  • Overview The MiniArcTM Single-Incision Sling System family eliminated incisions in the groin or abdomen, and was designed to reduce invasiveness, and encourage faster patient recovery. (healthmanagement.org)
  • original
  • A prosthetic foot that he created, the Flex-Foot Cheetah, is used by double-amputee and Paralympics gold-medalist Oscar Pistorius, and about 90 percent of Paralympics participants use a variation of the original Flex-Foot design, as well as thousands of people around the world. (wikipedia.org)
  • whose
  • It was invented at his behest by Earl Bakken, whose then-small company, Medtronic, designed and repaired electronics for the University of Minnesota hospital. (wikipedia.org)
  • Most of what he designs is not for him, but for others to whose difficulties he can relate. (wikipedia.org)