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33 results about "Dental Restoration Failure" patented technology
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Inability or inadequacy of a dental restoration or prosthesis to perform as expected.
System and method for effective planning, visualization, and optimization of dental restorations
ActiveUS20120095732A1High level of detailLower levelMedical simulationTooth crownsDental restorationDental Restoration Failure
Disclosed is a method for planning, visualizing, and / or optimizing dental restoration on at least a part of the pre-prepared teeth of a patient, wherein said method comprises the steps of:providing at least one 3D digital model of at least a part of the pre-prepared teeth;designing at least one dental restoration CAD model based on the 3D digital model of at least a part of the pre-prepared teeth;providing at least one 3D digital model of at least a part of the prepared teeth, where the prepared teeth are provided by preparing the pre-prepared teeth by dental restorative work, at least partly based on the dental restoration CAD model; andaligning the 3D models of the pre-prepared and the prepared teeth.
Owner:3SHAPE AS
Mould for dental restoration
InactiveUS20150250568A1Save materialShorten the timeImpression capsMechanical/radiation/invasive therapiesDental restorationDental Restoration Failure
Disclosed is a method for designing a virtual mould used for manufacturing a corresponding physical mould adapted to be used in manufacturing of a dental restoration for a patient, wherein the method includes obtaining a 3D representation of the patient's set of teeth; virtually designing at least a first layer and a second layer of the dental restoration, where the first layer is part of a first portion of the dental restoration, and; and virtually designing the mould, where the inside surface of the mould is adapted to match the combination of at first portion and the second layer, where the inside surface of the mould corresponds to the shape of the dental restoration, where virtually designing the mould comprises designing a virtual retention structure of the mould.
Owner:3SHAPE AS +1
Automated production of dental restoration
ActiveUS20150086939A1Well fittingEnsure correct executionImpression capsDental toolsDental restorationDental Restoration Failure
A method for manufacturing a dental restoration for a patient, where the method includes: obtaining a 3D scan of at least a restoration site of the patient's mouth, where the manufactured dental restoration is adapted for fitting to the restoration site; obtaining a CAD design of the dental restoration; milling the restoration from a material, where the restoration is milled both on an inside surface configured for fitting to the shape of the restoration site of the patient's mouth and on an outside surface, where the milling is according to the obtained CAD design; transferring the milled restoration to a retention means providing a fixed known position of the restoration relative to a post-processing machinery, where the restoration is retained on the inside surface, such that the outside surface of the restoration is approachable / free / accessible; and performing post-processing of the outside surface of the restoration.
Owner:3SHAPE AS
Method of producing a dental restoration, dental restoration and use thereof
The invention relates to a method of producing a dental restoration (40), the method comprising the steps of providing a metallic frame (21) having an inner and an outer surface, applying one or more opaque layer(s) (23) or composition on the outer surface of the metallic frame, providing a facing precursor (31) having a volume A, mating the facing precursor on the outer surface of the metallic frame coated with the opaque layer using a mating composition to obtain a dental restoration intermediate, firing the dental restoration intermediate to a temperature where the facing precursor sinters to obtain a sintered facing having the volume B, and optionally applying a stain and / or glacing layer on the outer surface of the sintered facing. The invention also relates to a dental restoration obtainable by such a process.
Owner:3M INNOVATIVE PROPERTIES CO
Dental chair-side implant restoration digitization implementation method
InactiveCN107019570AGet quicklyEasy accessDental implantsImpression capsData matchingData acquisition
The invention belongs to the technical field of dental restoration, and discloses a dental chair-side implant restoration digitization implementation method. The method comprises the following steps: scanning and acquiring internal formation of the mouth cavity of a patient by adopting in-mouth scanning equipment to realize data acquisition; transmitting the acquired data into a dental restoration system; forming a three-dimensional mouth cavity model capable of being subjected to edition processing and restoration design in the dental restoration system based on the acquired data to further carry out data matching between an implant database and the acquired data in the dental restoration system; forming an analog image of the implant in the mouth of the patient in the three-dimensional mouth cavity model at the same time; carrying out restoration design of a personalized base and a dental crown of the patient on the formed three-dimensional mouth cavity model to form an implant-supported prosthesis; transmitting the data of the formed implant-supported prosthesis into processing equipment to realize formation of the implant-supported prosthesis; processing the formed implant-supported prosthesis and directly bringing into the mouth of the patient to realize implant restoration in the mouth of the patient. The dental chair-side implant restoration digitization implementation method is suitable for being applied to the field of dental restoration.
Owner:江苏福隆数齿科技有限公司
Screwless dental implant connection
A dental restoration system is disclosed. A dental restoration system includes an implant, retention component, dental component and driver tool. The retention component is seatable in a retention chamber of the implant. The retention component includes a driver section for interfacing with a driving head of the driver tool and a dental component engagement section with a threaded surface. The dental component includes a retention component interface surface with threads. The dental component engages the retention component via the threaded surface interlocking with the threads of the retention component interface surface when the dental component is inserted in the implant. The driver tool is used to rotate the retention component to engage the dental component apically. The retention component contacts the retention component wall and the dental component contacts an annular shoulder of the implant when the dental component is fully attached to the implant.
Owner:BIOMET 3I LLC
Zirconia ceramic material applied to dental restoration and preparation method of zirconia ceramic material
ActiveCN103550069AGood biocompatibilityNo allergies and other adverse health problemsImpression capsDentistry preparationsBiocompatibility TestingProsthesis
The invention provides a zirconia ceramic material applied to dental restoration. The zirconia ceramic material applied to the dental restoration is prepared from the following components by mole percentage: 1.5-4% of Nb2O5, 1.5-4% of SnO2 and the balance of ZrO2. The invention further provides a preparation method of the zirconia ceramic material. The preparation method comprises the following steps of (1), carrying out ball-milling on Nb2O5 powder, SnO2 powder and ZrO2 powder, uniformly mixing and screening to obtain a mixed powder; (2), carrying out isostatic cool pressing formation to obtain powder pressed blanks; and (3) carrying out pre-sintering and sintering processes to obtain the zirconia ceramic material applied to the dental restoration. According to the zirconia ceramic material applied to the dental restoration, which is disclosed by the invention, the biocompatibility is good, the health-harmful problems such as sensitivity do not exist, the mechanical property is excellent, the actual effect resistance is good, the phase change from a tetragonal phase to a monoclinic phase does not generate in a hygrothermal environment of an oral cavity, no clinic risk of exfoliation exists, and the zirconia ceramic material can be widely suitable for manufacturing dental restoration prosthesis.
Owner:中研碧诚(北京)科技有限公司
A method of making a dental restoration
InactiveUS20180071062A1Reduced dental restoration model.Minimizing amountImpression capsTooth crownsVirtual modelDental restoration
A method of making a dental restoration has the steps of providing a three-dimensional model of a dental restoration, providing a three-dimensional virtual model (21) of an anterior incisal portion of a patient's tooth, superimposing the dental restoration model and the incisal portion model (21), and automatically recessing the dental restoration model, and thereby creating a reduced dental restoration model. The method helps combining the advantages of monolithic dental restorations and manual finishing.
Owner:3M INNOVATIVE PROPERTIES CO
Designing a dental restoration
A method for designing a virtual abutment for manufacturing an abutment part of a dental restoration for a patient, the dental restoration further including a crown configured for being seated at the abutment, wherein the method includes loading a virtual anatomy surface into an electronic data processing device, the virtual anatomy surface expressing a target shape of the crown portion of the dental restoration; loading an obtained virtual abutment including a virtual abutment finish line into the electronic data processing device; and modifying the obtained virtual abutment by executing one or more computer implemented algorithms using the electronic data processing device, where the algorithms are configured to adapt the shape of the obtained virtual abutment such that the virtual abutment finish line of the modified virtual abutment is aligned with the virtual anatomy surface.
Owner:3SHAPE AS
Preparation method of dental restoration modified nano-hydroxyapatite composite material
InactiveCN109437138ABiological activity is easy to retainRetain biological activityImpression capsNanotechnologyPhosphateBiocompatibility Testing
The invention discloses a preparation method of a dental restoration modified nano-hydroxyapatite composite material and belongs to the field of biomedical materials. The dental restoration modified nano-hydroxyapatite composite material is prepared by taking soluble calcium salt and soluble phosphate salt as raw materials and compound amino acids and / or graphene oxide as a modification means through a hydrothermal method. The dental restoration modified nano-hydroxyapatite composite material is structurally characterized in an enamel-like nanorod structure with a particle diameter of 3-30 nmand a particle length of 50-300 nm and is low in degree of crystallinity. The dental restoration modified nano-hydroxyapatite composite material has the advantages of being good in biosecurity and high in biocompatibility, achieving good restoration effects on surface decalcification and deep decalcification of enamel or dentin and forming new remineralized restoration layers by nucleation on thesurface of decalcified enamel or dentin, thereby improving the surface hardness and the antibacterial performance of teeth and providing new possibility for clinical tooth remineralization restoration.
Owner:KUNMING UNIV OF SCI & TECH
Ceramic tooth 3D printing production method in dental restoration industry
ActiveCN107669490AShort preparation cycleHigh degree of digital productionImpression capsAdditive manufacturing apparatus3d printerDental restoration
The invention relates to the field of dental restoration, in particular to a ceramic tooth 3D printing production method in a dental restoration industry. The method includes a first step: scanning isperformed; a second step: a ceramic tooth machining center designs 3D ceramic tooth simulation model files; a third step: a 3D printer produces a prototype of a to-be-restored body required by a doctor; a fourth step: after the printing is completed, a support is removed from the prototype of the to-be-restored body, and the prototype of the to-be-restored body is placed in a crystallization furnace for sintering and degreasing; and a fifth step: the sintered prototype of the to-be-restored body is subjected to soaking dyeing or coloring and then undergoes high-temperature crystal forming, sothat the whole product is manufactured. The ceramic tooth 3D printing production method in the dental restoration industry has the advantages that the manufacturing cycle is short, the quality stability is high, the cost is greatly reduced, the industrial mass production can be performed, and the digital production level is high.
Owner:广东雅美时光生物科技有限公司
In-situ dental restoration process and apparatus
ActiveUS9717573B2Short timeReduces amount of discomfort and embarrassmentImpression caps3D printingEngineeringDental structure
A dental restoration method that eliminates time-consuming, labor-intensive steps conventionally needed to fabricate molds, and thereby facilitates dental restorations in a shorter time, while reducing the discomfort and embarrassment sometimes associated with provisional restorations involves scanning an existing dental structure to generate a three-dimensional digital model of the existing dental structure, generating a three-dimensional digital model corresponding with a planned dental structure, and using an additive manufacturing process and apparatus (e.g., a 3-D printer) to fabricate the planned dental structure directly on the existing dental structure.
Owner:VUILLEMOT WILLIAM C
Designing a dental restoration
ActiveUS20150282904A1Gentle pressureImprove fitProgramme controlMechanical/radiation/invasive therapiesDental restorationDental Restoration Failure
A method for designing a virtual dental restoration for manufacturing a dental restoration for a patient, said dental restoration including an anatomy portion and a sub-gingival portion, wherein the method includes: obtaining a virtual anatomy surface expressing a target shape of the anatomy portion of the dental restoration; and creating a virtual sub-gingival surface for the sub-gingival portion of the dental restoration; where the created virtual sub-gingival surface is shaped such that it contacts the virtual anatomy surface.
Owner:3SHAPE AS
Single-component photocuring composite with fluoride ion release property for dental restoration and application of composite
ActiveCN106726623AThickenEasy to useImpression capsDentistry preparationsGlass ionomersDental Adhesives
The invention discloses a single-component photocuring composite with the fluoride ion release property for dental restoration and application of the composite. The raw materials used for preparing the single-component photocuring composite with the fluoride ion release property for dental restoration comprise water soluble or at least partially water soluble acid molecule structure-containing polymeric resin monomers or oligomer or a mixture thereof, glass ionomer cement filler with the fluoride ion release property and a photocuring polymerization initiating system. The photocuring composite is the single-component photocuring composite, use is convenient, the fluoride ion release property is achieved, and meanwhile the mechanical and physical properties are achieved; the composite can be used as gasket materials under dental adhesives and other dental restoration materials, pit and fissure sealing materials on surfaces of teeth, tooth filling repair / restoration materials, post-core composition materials for dental crown restoration, root canal orifice sealing materials and photocuring orthodontic cement bonding materials and used for other dental treatment and restoration application.
Owner:日照沪鸽生物材料有限公司
Methods and devices for fixed dental restoration
Owner:CLARK DAVID J
Resin infiltration zero-dimensional/one-dimensional porous ceramic composite material for dental restoration, and a preparation method thereof
InactiveCN110028333ARaw materials are easy to getEasy to makeImpression capsDentistry preparationsNatural toothFiber
The invention relates to a resin infiltration zero-dimensional / one-dimensional porous ceramic composite material for dental restoration, and a preparation method thereof, and belongs to the field of dental restoration materials. According to the present invention, a dental restoration material with performances well matched with natural human teeth is designed and prepared; the guiding ideology isbased on the principle of multi-scale and multi-dimensional reinforcement and toughening; a porous ceramic preform is prepared by mixing preparing zero-dimensional ceramic powder and one-dimensionalceramic nano-wires / fibers, and a dental restoration material having a good resin and ceramic double-interpenetrating cross-linking network structure, capable of being using for CAD / CAM technology cutting and having mechanical properties matched with natural teeth and excellent cutability is prepared by using a vacuum-assisted resin infiltration technology and a thermal curing technology; and the bridging effect of the one-dimensional nanometer filler can effectively prevent the occurrence and development of cracks so as to improve the mechanical properties of the restored body and can effectively reduce the wear loss of the ceramic powder.
Owner:BEIJING UNIV OF CHEM TECH +1
Process for improving the stability of yttrium stabilised zirconia for dental restorations
InactiveUS20130029052A1Avoid disadvantagesImprove stabilityOther chemical processesPretreated surfacesYttriumMaterials science
A process for improving the stability of yttrium stabilised zirconia for dental restorations comprising yttrium stabilised zirconia, the dental restorations are veneered with a dental ceramic veneering material wherein—the dental restoration comprising yttrium stabilised zirconia and to be veneered is provided;—the dental ceramic veneering material is applied to the dental restoration by an aerosol which contains the dental ceramic veneering material and substantially water-free propellant;—the resulting arrangement is fired to a resulting veneered dental restoration.
Owner:VITA ZAHNFABRIK H RAUTER GMBH & CO KG
Designing a dental restoration
ActiveUS9934333B2Programme controlMechanical/radiation/invasive therapiesDental restorationDental prosthesis
A method for designing a virtual dental restoration for manufacturing a dental restoration for a patient, said dental restoration including an anatomy portion and a sub-gingival portion, wherein the method includes: obtaining a virtual anatomy surface expressing a target shape of the anatomy portion of the dental restoration; and creating a virtual sub-gingival surface for the sub-gingival portion of the dental restoration; where the created virtual sub-gingival surface is shaped such that it contacts the virtual anatomy surface.
Owner:3SHAPE AS
Attachment member and a dental restoration
InactiveUS20130045463A1Increase flexibilityRelaxed requirements on accuracyDental implantsEngineeringSupport surface
A combination of a dental restoration and a plurality of attachment members is disclosed. The dental restoration includes a plurality of support members configured to be releasably attached to an attachment member. Each attachment member includes a first support surface facing in the coronal direction of the attachment member for supporting a corresponding support member, and a second support surface facing in the apical direction of the attachment member and towards the longitudinal axis of the support member and being configured for engagement with a support surface of a dental fixture. Each attachment member includes an attachment portion at a coronal portion for receiving a fastening member for releasably attaching one of the support members. The first support surface has an angle relative the longitudinal axis of the attachment member measured from its apical towards its coronal end that is larger than a corresponding angle of the second support surface.
Owner:NOBEL BIOCARE SERVICES AG
Wound-healing unit for a dental restoration
Wound-healing unit for connection to a dental implant during a wound-healing phase of a dental restoration procedure, comprising a wound-healing element (10) intended to be surrounded at least partially by gum (63), and an abutment (1) intended to be fixed in an implant (60), characterized in that the wound-healing element comprises a lateral surface (13), which is intended to be integrated within gum in order to shape the gum during the wound-healing thereof, and an end surface (14), a part of the lateral surface (13) and of the end surface (14) forming a protruding surface, which is intended to remain outside the gum and is asymmetrical with respect to at least a perpendicular median plane, and in that the abutment comprises a longitudinal axis (L) along its entire length, for alignment with the axis of an implant (60).
Owner:阿曼德斯特默 +1
Calcium phosphate based dental restoration material for treating dentin hypersensitiveness
InactiveCN103417386AImprove long-term effectivenessNot easy to corrodeImpression capsDentistry preparationsCalcium biphosphateDentinal Tubule
The invention discloses a dental restoration material for treating the dentin hypersensitiveness. The dental restoration material for treating the dentin hypersensitiveness is formed by amphiphilic functional polypeptide firstly smeared on the surface of a dentin and nano-hydroxyapatite subsequently smeared on the polypeptide processed surface of the dentin; the polypeptides and the nano-hydroxyapatite are respectively independently packaged; and the amino acid sequence of the polypeptides is represented by SEQ ID NO:1, and serine in the amino acid sequence is phosphonated. Experiments prove that the material can successfully plug exposed dentinal tubules, and forms a compact hydroxyapatite mineral layer on the surface of the dentinal. The corrosion is difficult after the plugging, so the long term effectiveness of the plugging treatment is improved, and the material is very important to treat the dentin hypersensitiveness.
Owner:TSINGHUA UNIV
Dental tool for shaping dental restoration
A dental instrument for shaping a dental restoration. The instrument includes an end with at least one undulating edge which eases the placement, manipulation, and sculpting of dental restoration.
Owner:KING ABDULAZIZ UNIV
Method for seating a dental restoration
InactiveUS20140329203A1The process is simple and fastTooth cleaningDental prostheticsDental restorationDental prosthesis
The present invention relates to a method for exceeding a dental restoration whereby the method includes measurement of the distance between a restoration and an adjacent tooth, resizing the restoration as needed, and permanently affixing the restoration in the mouth of the patient.
Owner:SAIDI ARDAVAN
Dental restoration assisted design method
ActiveCN108992193ASpeed up the beauty design processSimple design3D printingDental prostheticsRepair materialTooth Preparations
The invention discloses a dental restoration assisted design method. According to the method, a three-dimensional human face model and a high-precision dental digital three-dimensional model of a patient are quickly acquired through a three-dimensional scanning device; through the matching relationship between the two models, an acquired texture map is attached to the dental digital three-dimensional model and registered into an oral cavity of the human face model; then single or multiple teeth to be repaired are replaced with single or multiple standard dental molds; a doctor performs repairing design on the teeth by adjusting parameters of the standard dental molds to meet the aesthetic design and the patient's requirements; at the same time, the patient can browse the three-dimensionalmodel of his own teeth after restoration, which is more realistic and reliable; the final designed teeth can be printed into solid teeth directly for embossing a female mold; and a medical repair material is poured into the female mold, then the female mold is sleeved on the to-be-repaired teeth of the patient or the teeth after teeth preparation, the female mold is taken out after the repair material is solidified on the teeth, and finally the dental repair assisted design is realized.
Owner:SUZHOU DEKA TESTING TECH CO LTD
Dental restoration material
InactiveCN108908984AIncrease the convenience of moving and handlingImprove the safety of usePress ramDental restorative materialsEngineering
The invention discloses a dental restoration material comprising a shell. The dental restoration material is characterized in that a capacity slot with the inner top wall internally provided with an adjustment chamber is disposed in the end face of the bottom of the shell; an adjustment frame is in sliding fit installation in the adjustment chamber; a first chute with the inner portion in slidingfit installation with a push rod is disposed in the end face of the bottom of the adjustment frame; the push rod with the bottom end fixedly provided with a compression plate extends into the capacityslot; guide grooves are symmetrically disposed in the inner walls of the left and right sides of the first chute; a guide block fixedly connected with the push rod is in sliding fit installation in the guide grooves; a first elastic piece is in top press fit installation in the guide groove at the bottom end of the guide block; a liquid push chamber is arranged in the top wall inside the first chute; a first piston block is in up and down sliding fit installation on the right side of the liquid push chamber.
Owner:广州国创科技有限公司
Anatomical root implant, dental restoration having the same, and manufacturing method of dental restoration
ActiveCN104825241BUniform wall thicknessReduce wall thicknessDental implantsAbutmentUltimate tensile strength
Owner:孙冬磊
Pure titanium bracket base for dental restoration
ActiveCN108852541AEasy to take off and put onImprove convenienceFastening prosthesisEngineeringTitanium
The invention discloses a pure titanium bracket base for dental restoration. The pure titanium bracket base comprises a base and an artificial tooth mounting hole, wherein the artificial tooth mounting hole is formed in an edge of the body; the body is composed of a left arc-shaped part and a right arc-shaped part; the left arc-shaped part and the right arc-shaped part are detachably connected through a locking structure; the locking structure comprises a bolt part and a pin hole part adaptive to the bolt part; the bolt part and the pin hole part are fixed at the right end of the left arc-shaped part and the left end of the right arc-shaped part respectively. According to the pure titanium bracket base for the dental restoration, disclosed by the invention, the main body is innovatively designed to be formed by splicing the left arc-shaped part and the right arc-shaped part, and the main body can be easily separated into two parts with relatively small volumes when a patient takes offand wears the pure titanium bracket base by oneself, so that the pure titanium bracket base can be conveniently taken out from an oral cavity, gingivae and a tongue root are not easy to scratch and anausea feeling is not generated; the motivation of taking out a movable artificial tooth and cleaning of the patient is effectively improved.
Owner:FOSHAN UNIVERSITY +1
Zirconia ceramic material applied to dental restoration and preparation method of zirconia ceramic material
ActiveCN103550069BGood biocompatibilityNo allergies and other adverse health problemsImpression capsDentistry preparationsBiocompatibility TestingProsthesis
The invention provides a zirconia ceramic material applied to dental restoration. The zirconia ceramic material applied to the dental restoration is prepared from the following components by mole percentage: 1.5-4% of Nb2O5, 1.5-4% of SnO2 and the balance of ZrO2. The invention further provides a preparation method of the zirconia ceramic material. The preparation method comprises the following steps of (1), carrying out ball-milling on Nb2O5 powder, SnO2 powder and ZrO2 powder, uniformly mixing and screening to obtain a mixed powder; (2), carrying out isostatic cool pressing formation to obtain powder pressed blanks; and (3) carrying out pre-sintering and sintering processes to obtain the zirconia ceramic material applied to the dental restoration. According to the zirconia ceramic material applied to the dental restoration, which is disclosed by the invention, the biocompatibility is good, the health-harmful problems such as sensitivity do not exist, the mechanical property is excellent, the actual effect resistance is good, the phase change from a tetragonal phase to a monoclinic phase does not generate in a hygrothermal environment of an oral cavity, no clinic risk of exfoliation exists, and the zirconia ceramic material can be widely suitable for manufacturing dental restoration prosthesis.
Owner:中研碧诚(北京)科技有限公司
Method for constructing tooth surfaces of a dental prosthesis and for producing dental restorations
ActiveUS10307229B2Simplify the distribution processMechanical/radiation/invasive therapiesSpecial data processing applicationsPosterior mandibleData records
The invention relates to a method for constructing tooth surfaces of a dental prosthesis and for producing dental restorations, starting from a 3D data record of an upper mandible layout and a 3D data record of a lower mandible layout, each layout comprising a number of teeth arranged in each mandibular arch and the teeth of the upper mandible layout and the teeth of the lower mandible layout at intercuspation making contact with each other at multiple contact points. The contact surfaces are selected by approximation. Relevant surface pairs lying opposite one another are identified and are incorporated by an optimization algorithm into local minimum distances, taking into consideration surfaces that can slide past one another. This allows the desired contact points to be produced. Surfaces that have not been selected are not considered in the production of the points of contact.
Owner:DENTSPLY SIRONA INC
Process for the fabrication of dental restorations
ActiveUS10182895B2Easy to processConveniently accomplishedTooth crownsDental prostheticsSlurryMaterials science
Dental restorations are created by preparing a hydrocolloid mold for such dental appliances as crowns and bridges. A slurry of zirconia powder and 3-O-acryloyl-D-glucose is prepared. The slurry is gelcast in the hydrocolloid mold with polymerization of the 3-O-acryloyl-D-glucose to a green body. The green body is dried and machined to the form of the dental restoration. The polymerized 3-O-acryloyl-D-glucose is then burned from the machined green body. The remaining zirconia body in the form of the dental restoration is then sintered to form the finished device.
Owner:CONTINENTAL DENTAL CERAMICS INC
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