Thu, 03 Nov 2016 08:00:00 EDTA dental implant comprises a composition which comprises a polymeric material which is preferably polyetheretherketone, and an apatite, for example a hydroxy-containing apatite. A prosthodontics device may comprise a dental implant made from polyetheretherketone, an abutment, also made from PEEK, and a crown, which is also made from PEEK by machining from a PEEK disc.
Thu, 03 Nov 2016 08:00:00 EDTThe present disclosure provides a metal based dental article and a method of forming the metal based dental article. The metal based dental article includes a base layer, a first coating on the base layer and a second coating on the first coating. The base layer is formed from a metal substrate selected from the group consisting of a stainless steel, a titanium alloy or a nickel titanium alloy. The first coating is formed from a metal selected from the group consisting of nickel, a nickel alloy, copper, a copper alloy, zinc, a zinc alloy, tin, a tin alloy, gold or a gold alloy, where one of the first coating or the surface of the base layer has a surface roughness (Ra) from 0.1 to 1.0 microns as measured according to ASTM B46.1-2009. The second coating is formed from a metal selected from the group consisting of rhodium, a rhodium alloy, ruthenium, a ruthenium alloy, cobalt, a cobalt alloy, palladium, or a palladium alloy. The second coating has a predetermined thickness that provides the metal based dental article with a matte finish and a whiteness, L*, of at least 80 of the CIELAB color system (L*, a*, B*). t,?
Thu, 03 Nov 2016 08:00:00 EDTA device for dispensing a dental paste comprises a first nozzle for delivering the paste and a second nozzle for delivering a gas stream. The device is adapted for simultaneously delivering the gas stream and the paste toward a working area. The invention helps minimizing efforts in a dental treatment and maximizing the quality of that dental treatment.
Thu, 03 Nov 2016 08:00:00 EDTA method and system for determining a bite of an edentulous individual. The individual's maxillary and mandibular dental arches are scanned to provide first data for preparing a model of the arches. A pair of trays with bite establishment components positioned on each of the trays are held in the individual's mouth with the arches received within the trays to define a maxillomandibular relationship corresponding to a bite position. The trays include apertures for exposing each of the arches to provide a continuous scanning path between the arches. The arches, and a continuous path between the arches, are each scanned while the trays are held in the individual's mouth to provide second data for preparing a model of relative positions of the arches at the bite position. The first and second data may be combined to prepare a model of the arches with empirical data of the bite position.
Thu, 03 Nov 2016 08:00:00 EDTThe present application describes a method for designing and manufacturing an implant-supported denture device for a patient. A method is described for designing a virtual denture and manufacturing an implant-supported functional fitting replica denture from the virtual denture. An apparatus comprising a functional fitting replica denture is prepared having denture teeth having a fit substantially similar to the final denture. The methods and apparatus described herein reduce the number of visits required to manufacture the final denture.
Thu, 03 Nov 2016 08:00:00 EDTThe present disclosure is directed to denture devices and related technology. A device may include an overdenture including a substructure comprising at least one hinge. The device may further include a dental implant prosthesis configured to be attached to a jawbone and including at least one extensions configured for contacting the at least one hinge of the overdenture to secure the overdenture to the dental implant prosthesis.
Thu, 03 Nov 2016 08:00:00 EDTDigital design and/or fabrication of a dental prosthesis that includes a gingiva part having retention pockets and corresponding injection channels that extend from the retention pockets to an exterior of the gingiva part. The positioning of a matrix mated to a ball attachment of a dental implant is fixed in the retention pocket by injection of a curable adhesive through the injection channels and into the retention pockets. The location of the retention pockets and the injection channels may be automatically generated by a computer-aided design/computer-assisted manufacturing (CAD/CAM) system. The gingiva part including the retention pockets and injection channels can further be designed and fabricated by the CAD/CAM system.
Thu, 03 Nov 2016 08:00:00 EDTPreparation of a dental prosthesis that includes a gingiva part having retention holes for seating of manufactured teeth, with the retention holes being enlarged relative to the manufactured teeth. Wax in the enlarged retention holes permits adjustments in positioning of the manufactured teeth, and a helper structure preserves this positioning when the wax is removed and a curable gingiva material is filled into the retention holes. Aspects described herein include digital and/or automatic design of the dental prosthesis and its constituent pieces, as well as automated fabrication thereof in whole or in part, such as in a dental CAD/CAM system.
Thu, 03 Nov 2016 08:00:00 EDTA container for dispensing a dental paste has a first chamber for storing the dental paste. The container has a retention end allowing the container to be retained in a dispensing gun and a dispensing end. The container further comprises a through-channel for guiding an airstream through the container. The invention may facilitate a dental treatment by aid of a paste along with an airstream.
Thu, 03 Nov 2016 08:00:00 EDTA method of increasing movement of a tooth in a jaw having at least one tooth with an orthodontic brace thereon includes: (1) holding a handle of a device, the device having an elongate member extending from the handle and a screw tip at a distal end of the elongate member; (2) moving a sleeve along the elongate member to set a length of exposed screw tip; (3) locking the sleeve in place relative to the screw tip; (4) drilling a hole with the screw tip through a cortical bone of a jaw to increase movement of the tooth; and (5) stopping the drilling when the length of exposed screw tip has penetrated the jaw.
Thu, 03 Nov 2016 08:00:00 EDTA self-retaining screw assembly comprising a dental secondary component and a screw. The secondary component comprises a through passage having an apical and a coronal open end, and a screw seat located between said apical and coronal ends. The screw comprises a screw rod and a screw head, the screw head being dimensioned to abut against the screw seat and the screw rod being dimensioned to pass unhindered through the through passage such that the apical end of the rod can protrude from the apical end of the through passage. The through passage further comprises, coronal of the screw seat, a first section and, directly coronal of the first section a second section having a narrower diameter than the first section, such that the second section forms a restriction in the through passage. The screw head comprises a radially outwardly extending retaining element.
Thu, 03 Nov 2016 08:00:00 EDTAn enossal single tooth implant for a fixed dental prosthesis includes an essentially cylindrical base body which can be inserted into a boring in a jaw bone, an abutment which can be inserted in the annular recess of the base body and has a boring for receiving a retaining screw and with a securing head for the dental prosthesis and a retaining screw which can be inserted into the blind hole of the base body and traverses the abutment.
Thu, 03 Nov 2016 08:00:00 EDTA dental device having an abutment body including a substantially radial mark on its external part, the abutment body adapted, to be connected, to an implant by a connecting member, such that the substantially radial mark is distinguishable from the abutment body in an image taken by an imaging device when the implant and abutment are installed.
Thu, 03 Nov 2016 08:00:00 EDTA dental implant having a fixing structure in which a fixture and an abutment are resiliently coupled is provided wherein a plurality of resilient legs are formed by means of a cutout portion in a lower fastening shaft portion of the abutment, the plurality of resilient legs having two functions and including: a resiliently-fastening leg with a fastening means, such as a fastening recess, a fastening projection, or a fastening ledge, fastened to a fastening portion corresponding to the fixture; and a non-fastening support leg without a fastening means.
Thu, 03 Nov 2016 08:00:00 EDTA method and apparatus are disclosed enabling an orthodontist or a user to create an unified three dimensional virtual craniofacial and dentition model of actual, as-is static and functional anatomy of a patient, from data representing facial bone structure; upper jaw and lower jaw; facial soft tissue; teeth including crowns and roots; information of the position of the roots relative to each other; and relative to the facial bone structure of the patient; obtained by scanning as-is anatomy of craniofacial and dentition structures of the patient with a volume scanning device; and data representing three dimensional virtual models of the patient's upper and lower gingiva, obtained from scanning the patient's upper and lower gingiva either (a) with a volume scanning device, or (a) with a surface scanning device. Such craniofacial and dentition models of the patient can be used in optimally planning treatment of a patient.
Thu, 03 Nov 2016 08:00:00 EDTAn assembled device for retrieving broken pieces from a root canal includes a hollow hand-held pole, a needle socket which connected to a needle cannula. An insert unit and an insert holder are inside the hollow hand-held pole. A sliding push button is outside the hollow hand-held pole which can move the insert unit up and down. The insert wedge extends to the needle cannula through the needle socket and move up and down a curved and beveled end of which engages the broken instrument and urge the broken instrument into the cutout so the device will mechanical grasp the broken instrument A cutout is spaced from the end of needle cannula. The present invention has a compact structure and stable performance. The vulnerable part can be replaced easily. It can work under the dental microscope and can also work as MTA carrier.
Thu, 03 Nov 2016 08:00:00 EDTA dental appliance removal tool is provided with one or more booster tubes each having a pressure-actuated expandable distal portion or cushion which, when inserted between a gum line and an implant-supported denture and connected to a supply of pressured fluid, expands radially to increase the circumference of the cushion and apply pressure to the gum line and denture to loosen or release the denture from an implant or the like. The tool may have an actuation mechanism such as a lever arm which applies pressure to a fluid chamber in communication with the booster tube, causing the cushion to expand, or a manually operated fluid pump or other pressurized fluid supply may be connected to the booster tube or multiple booster tubes to expand the cushion or cushions.
Thu, 03 Nov 2016 08:00:00 EDTDrills for dentistry, which, in a dental implant treatment, enables two or more holes to be bored at a predetermined angle and interval in a minute space in which a single tooth grows and enables treatment to be performed precisely and rapidly regardless of a skill level of a dentist, wherein an arrangement is provided where a first member provided with a drill body and a second member provided with a fixing needle intersect slid-ably at a predetermined angle, the drill body is installed in a direction perpendicular to an axial direction of the first member with its tip facing a direction in which the fixing needle is provided, the fixing needle is installed in a direction perpendicular to an axial direction of the second member with its tip facing a direction in which the drill body is provided, the drill body bores a first hole, bored obliquely with respect to a natural tooth growing direction, and a second hole facing the first hole mutually at a predetermined angle, and the second hole is bored by the drill body upon inserting the fixing needle in the first hole, fixing the second member to the jawbone, and sliding the first member with respect to the second member, fixed to the jawbone, as a reference.
Thu, 03 Nov 2016 08:00:00 EDTA dental handpiece and a dental cleaning procedure are disclosed. The dental handpiece includes an inner barrel for rotatably retaining an ultrasonic insert, the inner barrel configured for contacting the ultrasonic insert with a cooling fluid in the inner barrel, a coil unit arranged and disposed to apply an alternating magnetic field to the ultrasonic insert when positioned in the inner barrel, at least one contact retention clip that contacts a drive coil of the contact unit, an outer sheath extending around at least a portion of the coil unit. The dental handpiece includes flow regions permitting steam, chemicals, and heat to flow into the inner barrel and out of the inner barrel during a sterilization technique. The dental cleaning procedure includes operating the dental handpiece and autoclaving the dental handpiece.